🔍Straight from EPA

🧪Real Lab Results

📅Updated Quarterly

🏠Local Expertise

Results for Sonoma County, CA

756 water providers on file for this county, sorted by population served.

Quick answer: Sonoma County has 756 water providers profiled, sorted by population served.

Radium-228
Gross Alpha Particle Activity
Lead Summary
Arsenic
Nitrate
Chromium, Hex
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dichloroaceticacid
Copper Summary
Bromoform
Dibromochloromethane
Dibromoaceticacid
TDS
Manganese
Copper, Free
Alkalinity, Bicarbonate
Alkalinity, Total
Hardness, Total (ASCACO3)
Sodium
Magnesium
Calcium
Chloride
Sulfate
Turbidity
pH
Iron
Zinc
Conductivity (at 25°C)
Color
Barium
Fluoride
Adsorbableorganicfluorine
Perfluorohexanesulfonicacid (PFHxS)
Lithium
Chromium
Aluminum
Lead
Aggressive Index
Asbestos
Trichloroaceticacid
Monobromoaceticacid
Boron, Total
Odor
Perfluorobutanesulfonicacid (PFBS)
Perfluorohexanoicacid (PFHXA)
Perfluoropentanoicacid (PFPEA)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorobutanoicacid (PFBA)
Perfluoroheptanoicacid (PFHPA)
Perfluorooctanesulfonicacid6:2fts
Perfluorononanoicacid (PFNA)
Perfluoropentanesulfonicacid (PFPES)
Perfluoroheptanesulfonicacid (PFHPS)
Carbon, Total
Combined Uranium
Temperature (CENTIGRADE)
pH, Field
Monochloroaceticacid
Potassium
Langelier Index (pH(s))
Orthophosphate
Foamingagents (SURFACTANTS)
Strontium
Trichloroethylene
Cis-1, 2-Dichloroethylene
1, 1-Dichloroethylene
Perfluoropfmba
Perfluoropfeesa
Hfpo-Da
Perfluorohexanesulfonicacid4:2fts
Perfluoropfmpa
Adona
Nonafluoronfdha
9cl-Pf3ons
Perfluorododecanoicacid (PFDOA)
Perfluorodecanesulfonicacid8:2fts
Perfluoroundecanoicacid (PFUNA)
Perfluorodecanoicacid (PFDA)
11cl-Pf3ouds
Endothall
Nickel
Selenium
Bromide
Pfdoa
PFHXS
PFBS
Nitrite
Silica
Tetrachloroethylene
PFOA
PFHXA
Radium-226
PFPEA
PFOS
6:2 Fts
Combined Radium (-226 & -228)
Langelier Index (Source Temp.)
Acetone
Perchlorate
Vanadium, Total

Violations on file

Coliform (TCR)

Older/archived health-based violation

Found at 19 of 756 providers

Nitrate

Older/archived health-based violation

Found at 4 of 756 providers

Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.

Cadmium

Older/archived health-based violation

Found at 2 of 756 providers

Surface Water Treatment Rule

Currently open health violation

Found at 5 of 756 providers

Arsenic

Older/archived health-based violation

Found at 7 of 756 providers

Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.

Revised Total Coliform Rule

Currently open health violation

Found at 1 of 756 providers

Lead And Copper Rule Revisions

Currently open health violation

Found at 35 of 756 providers

Total Haloacetic Acids (HAA5)

Older/archived health-based violation

Found at 3 of 756 providers

TTHM

Older/archived health-based violation

Found at 2 of 756 providers

A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.

Groundwater Rule

Currently open health violation

Found at 2 of 756 providers

Interim Enhanced Surface Water Treatment Rule

Older/archived health-based violation

Found at 1 of 756 providers

Lead

Currently open health violation

Found at 1 of 756 providers

A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.

Lead And Copper Rule

Currently open health violation

Found at 2 of 756 providers

Copper, Free

Currently open health violation

Found at 1 of 756 providers

Tetrachloroethylene

Older/archived health-based violation

Found at 1 of 756 providers

Contaminants found

Metals

Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper

Lead Summary

Detected: 0.07 mg/L (ppm)

Found at 282 providers

Arsenic

Detected: 140 UG/L (ppb)

Found at 71 providers

Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.

Chromium, Hex

Detected: 26 UG/L (ppb)

Found at 77 providers

Copper Summary

Detected: 5.68 mg/L (ppm)

Found at 63 providers

Manganese

Detected: 1300 UG/L (ppb)

Found at 69 providers

Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.

Copper, Free

Detected: 4700 UG/L (ppb)

Found at 79 providers

Iron

Detected: 6900 UG/L (ppb)

Found at 54 providers

Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.

Zinc

Detected: 210 UG/L (ppb)

Found at 6 providers

Barium

Detected: 1500 UG/L (ppb)

Found at 16 providers

Chromium

Detected: 30 UG/L (ppb)

Found at 9 providers

Occurs in two forms — trivalent (an essential nutrient in trace amounts) and hexavalent (linked to increased cancer risk).

Aluminum

Detected: 340 UG/L (ppb)

Found at 6 providers

Lead

Detected: 20 UG/L (ppb)

Found at 24 providers

A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.

Combined Uranium

Detected: 4 PCI/L

Found at 2 providers

A naturally occurring radioactive metal. Long-term exposure above the legal limit is associated with kidney effects and increased cancer risk.

Strontium

Detected: 140 UG/L (ppb)

5/7/2025

Nickel

Detected: 27 UG/L (ppb)

Found at 3 providers

Selenium

Detected: 13 UG/L (ppb)

8/4/2025

Vanadium, Total

Detected: 5.1 UG/L (ppb)

9/24/2025

Disinfection Byproducts

Formed when chlorine used to disinfect water reacts with organic matter

Totalhaloaceticacids (HAA5)

Detected: 48 UG/L (ppb)

Found at 39 providers

TTHM

Detected: 104.84 UG/L (ppb)

Found at 72 providers

A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.

Chloroform

Detected: 56 UG/L (ppb)

Found at 44 providers

One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.

Bromodichloromethane

Detected: 32.19 UG/L (ppb)

Found at 54 providers

Bromoform

Detected: 35.31 UG/L (ppb)

Found at 52 providers

Dibromochloromethane

Detected: 30 UG/L (ppb)

Found at 66 providers

Inorganics

Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride

Nitrate

Detected: 12 MG/L (ppm)

Found at 145 providers

Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.

Chloride

Detected: 540 MG/L (ppm)

Found at 49 providers

Sulfate

Detected: 170 MG/L (ppm)

Found at 44 providers

Fluoride

Detected: 0.61 MG/L (ppm)

Found at 17 providers

Often added deliberately for dental health; can also occur naturally.

Boron, Total

Detected: 380 UG/L (ppb)

Found at 9 providers

Nitrite

Detected: 0.22 MG/L (ppm)

3/5/2025

Minerals

Everyday minerals that mainly affect taste and water hardness

Sodium

Detected: 78 MG/L (ppm)

Found at 45 providers

Magnesium

Detected: 39 MG/L (ppm)

Found at 45 providers

Calcium

Detected: 94 MG/L (ppm)

Found at 46 providers

Potassium

Detected: 1.4 MG/L (ppm)

Found at 3 providers

Properties

General water characteristics like pH, hardness, and cloudiness (turbidity)

Gross Alpha Particle Activity

Detected: 10 PCI/L

Found at 35 providers

Hardness, Total (ASCACO3)

Detected: 395 MG/L (ppm)

Found at 44 providers

Detected: 8.46 PH

Found at 44 providers

A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.

pH, Field

Detected: 7.42 PH

Found at 3 providers

Langelier Index (pH(s))

Detected: -1.9 LANG

5/7/2025

Orthophosphate

Detected: 0.39 MG/L (ppm)

Found at 2 providers

PFAS & Emerging Contaminants

Human-made "forever chemicals" and other substances not yet fully regulated

Lithium

Detected: 95 µg/L (ppb)

Found at 9 providers

Occurs naturally in some groundwater. Not currently federally regulated in drinking water.

Pfdoa

Detected: 0.0031 µg/L (ppb)

5/21/2024

PFHXS

Detected: 0.0057 µg/L (ppb)

Found at 4 providers

PFBS

Detected: 0.0052 µg/L (ppb)

Found at 2 providers

PFOA

Detected: 0.0062 µg/L (ppb)

Found at 2 providers

One of two PFAS with an enforceable federal limit (4 ppt) since 2024.

PFHXA

Detected: 0.0061 µg/L (ppb)

Found at 2 providers

PFPEA

Detected: 0.003 µg/L (ppb)

4/8/2025

PFOS

Detected: 0.0054 µg/L (ppb)

Found at 2 providers

One of two PFAS with an enforceable federal limit (4 ppt) since 2024.

6:2 Fts

Detected: 0.0071 µg/L (ppb)

10/22/2024

VOCs (Volatile Organic Compounds)

Industrial solvents and fuel-related chemicals that evaporate easily

Trichloroethylene

Detected: 34 UG/L (ppb)

Found at 4 providers

Cis-1, 2-Dichloroethylene

Detected: 1.1 UG/L (ppb)

Found at 2 providers

1, 1-Dichloroethylene

Detected: 5.6 UG/L (ppb)

Found at 2 providers

Bromide

Detected: 0.28 MG/L (ppm)

3/31/2025

Tetrachloroethylene

Detected: 2.3 UG/L (ppb)

9/2/2025

Calculated Parameters

Values worked out mathematically from other test results, not measured directly

Alkalinity, Bicarbonate

Detected: 340 MG/L (ppm)

Found at 46 providers

Other

Additional substances tested that don't fit neatly into the categories above

Radium-228

Detected: 1.85 PCI/L

Found at 7 providers

Dichloroaceticacid

Detected: 24 UG/L (ppb)

Found at 37 providers

Dibromoaceticacid

Detected: 13 UG/L (ppb)

Found at 50 providers

TDS

Detected: 1400 MG/L (ppm)

Found at 48 providers

Alkalinity, Total

Detected: 420 MG/L (ppm)

Found at 47 providers

Turbidity

Detected: 35 NTU

Found at 34 providers

A measure of water cloudiness from suspended particles.

Conductivity (at 25°C)

Detected: 1600 UMHO/CM

Found at 51 providers

Color

Detected: 35 UNITS

Found at 12 providers

Adsorbableorganicfluorine

Detected: 6200 NG/L (ppt)

Found at 4 providers

Perfluorohexanesulfonicacid (PFHxS)

Detected: 11 NG/L (ppt)

Found at 10 providers

Aggressive Index

Detected: 12.68 AGGR

Found at 21 providers

Asbestos

Detected: 0.2 MFL

2/25/2025

Trichloroaceticacid

Detected: 28 UG/L (ppb)

Found at 31 providers

Monobromoaceticacid

Detected: 1.8 UG/L (ppb)

9/10/2025

Odor

Detected: 10 TON

Found at 10 providers

Perfluorobutanesulfonicacid (PFBS)

Detected: 11 NG/L (ppt)

Found at 7 providers

Perfluorohexanoicacid (PFHXA)

Detected: 9.6 NG/L (ppt)

Found at 7 providers

Perfluoropentanoicacid (PFPEA)

Detected: 12 NG/L (ppt)

Found at 7 providers

Perfluoroctanesulfonicacid (PFOS)

Detected: 19 NG/L (ppt)

Found at 9 providers

One of two PFAS with an enforceable federal limit (4 ppt) since 2024.

Perfluoroctanoicacid (PFOA)

Detected: 19 NG/L (ppt)

Found at 6 providers

One of two PFAS with an enforceable federal limit (4 ppt) since 2024.

Perfluorobutanoicacid (PFBA)

Detected: 12 NG/L (ppt)

Found at 6 providers

Perfluoroheptanoicacid (PFHPA)

Detected: 12 NG/L (ppt)

Found at 4 providers

Perfluorooctanesulfonicacid6:2fts

Detected: 12 NG/L (ppt)

Found at 4 providers

Perfluorononanoicacid (PFNA)

Detected: 12 NG/L (ppt)

Found at 3 providers

Perfluoropentanesulfonicacid (PFPES)

Detected: 11 NG/L (ppt)

Found at 3 providers

Perfluoroheptanesulfonicacid (PFHPS)

Detected: 13 NG/L (ppt)

Found at 3 providers

Carbon, Total

Detected: 2.94 MG/L (ppm)

Found at 2 providers

Temperature (CENTIGRADE)

Detected: 19.1 C

Found at 2 providers

Monochloroaceticacid

Detected: 3.5 UG/L (ppb)

7/22/2025

Foamingagents (SURFACTANTS)

Detected: 0.062 MG/L (ppm)

1/27/2025

Perfluoropfmba

Detected: 10 NG/L (ppt)

Found at 2 providers

Perfluoropfeesa

Detected: 11 NG/L (ppt)

Found at 2 providers

Hfpo-Da

Detected: 8.9 NG/L (ppt)

Found at 2 providers

Perfluorohexanesulfonicacid4:2fts

Detected: 9.8 NG/L (ppt)

Found at 2 providers

Perfluoropfmpa

Detected: 7.8 NG/L (ppt)

Found at 2 providers

Adona

Detected: 13 NG/L (ppt)

Found at 2 providers

Nonafluoronfdha

Detected: 7.9 NG/L (ppt)

Found at 2 providers

9cl-Pf3ons

Detected: 18 NG/L (ppt)

Found at 2 providers

Perfluorododecanoicacid (PFDOA)

Detected: 11 NG/L (ppt)

Found at 2 providers

Perfluorodecanesulfonicacid8:2fts

Detected: 12 NG/L (ppt)

Found at 2 providers

Perfluoroundecanoicacid (PFUNA)

Detected: 11 NG/L (ppt)

Found at 2 providers

Perfluorodecanoicacid (PFDA)

Detected: 12 NG/L (ppt)

Found at 2 providers

11cl-Pf3ouds

Detected: 19 NG/L (ppt)

Found at 2 providers

Endothall

Detected: 48 UG/L (ppb)

5/2/2025

Silica

Detected: 38 MG/L (ppm)

Found at 2 providers

Radium-226

Detected: 0.173 PCI/L

9/23/2025

Combined Radium (-226 & -228)

Detected: 0.58 PCI/L

9/17/2025

A naturally occurring radioactive element found in some groundwater.

Langelier Index (Source Temp.)

Detected: -0.12 LANG

9/3/2025

Acetone

Detected: 5.54 UG/L (ppb)

8/13/2025

Perchlorate

Detected: 2.8 UG/L (ppb)

5/7/2025

Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.

Filtration considerations: General system types, not a specific product recommendation.

Contaminant	Whole-House Carbon	Under-Sink RO	Under-Sink Carbon
Total Trihalomethanes (TTHM)	Yes	Yes	Yes
Haloacetic Acids (HAA5)	Yes	Yes	Yes
Chloroform	Yes	Yes	Yes
Chlorine / Taste	Yes	Yes	Yes
Sediment / Turbidity	Yes	Yes	Yes
Trichloroethylene	Yes	Yes	Yes
Tetrachloroethylene	Yes	Yes	Yes
cis-1,2-Dichloroethylene	Yes	Yes	Yes
1,1-Dichloroethylene	Yes	Yes	Yes
Bromoform	Yes	Yes	Yes
Bromodichloromethane	Yes	Yes	Yes
Dibromochloromethane	Yes	Yes	Yes
1,1,2-Trichloroethane	Yes	Yes	Yes
Vinyl Chloride	Yes	Yes	Yes
Carbon Tetrachloride	Yes	Yes	Yes
Benzene	Yes	Yes	Yes
Toluene	Yes	Yes	Yes
Xylene	Yes	Yes	Yes
Totalhaloaceticacids (HAA5)	Yes	Yes	Yes
Bromide	Yes	Yes	Yes
Lead	Partial	Yes	Partial
Arsenic	Partial	Yes	Partial
Chromium-6 (Hexavalent)	Partial	Yes	Partial
Copper	Partial	Yes	Partial
Combined Uranium	Partial	Yes	Partial
PFOA	Partial	Yes*	Partial
PFOS	Partial	Yes*	Partial
Nitrate	Partial	Yes	Partial
Combined Radium	Partial	Yes	Partial
Chromium, Hex	Partial	Yes	Partial
Dichloroaceticacid	Partial	Yes	Partial
Dibromoaceticacid	Partial	Yes	Partial
TDS	Partial	Yes	Partial
Manganese	Partial	Yes	Partial
Copper, Free	Partial	Yes	Partial
Alkalinity, Total	Partial	Yes	Partial
Chloride	Partial	Yes	Partial
Sulfate	Partial	Yes	Partial
Iron	Partial	Yes	Partial
Zinc	Partial	Yes	Partial
Conductivity (at 25°C)	Partial	Yes	Partial
Color	Partial	Yes	Partial
Barium	Partial	Yes	Partial
Fluoride	Partial	Yes	Partial
Adsorbableorganicfluorine	Partial	Yes	Partial
Perfluorohexanesulfonicacid (PFHxS)	Partial	Yes	Partial
Lithium	Partial	Yes*	Partial
Chromium	Partial	Yes	Partial
Aluminum	Partial	Yes	Partial
Aggressive Index	Partial	Yes	Partial
Asbestos	Partial	Yes	Partial
Trichloroaceticacid	Partial	Yes	Partial
Monobromoaceticacid	Partial	Yes	Partial
Boron, Total	Partial	Yes	Partial
Odor	Partial	Yes	Partial
Perfluorobutanesulfonicacid (PFBS)	Partial	Yes	Partial
Perfluorohexanoicacid (PFHXA)	Partial	Yes	Partial
Perfluoropentanoicacid (PFPEA)	Partial	Yes	Partial
Perfluoroctanesulfonicacid (PFOS)	Partial	Yes	Partial
Perfluoroctanoicacid (PFOA)	Partial	Yes	Partial
Perfluorobutanoicacid (PFBA)	Partial	Yes	Partial
Perfluoroheptanoicacid (PFHPA)	Partial	Yes	Partial
Perfluorooctanesulfonicacid6:2fts	Partial	Yes	Partial
Perfluorononanoicacid (PFNA)	Partial	Yes	Partial
Perfluoropentanesulfonicacid (PFPES)	Partial	Yes	Partial
Perfluoroheptanesulfonicacid (PFHPS)	Partial	Yes	Partial
Carbon, Total	Partial	Yes	Partial
Combined Uranium	Partial	Yes	Partial
Temperature (CENTIGRADE)	Partial	Yes	Partial
Monochloroaceticacid	Partial	Yes	Partial
Foamingagents (SURFACTANTS)	Partial	Yes	Partial
Strontium	Partial	Yes	Partial
Perfluoropfmba	Partial	Yes	Partial
Perfluoropfeesa	Partial	Yes	Partial
Hfpo-Da	Partial	Yes	Partial
Perfluorohexanesulfonicacid4:2fts	Partial	Yes	Partial
Perfluoropfmpa	Partial	Yes	Partial
Adona	Partial	Yes	Partial
Nonafluoronfdha	Partial	Yes	Partial
9cl-Pf3ons	Partial	Yes	Partial
Perfluorododecanoicacid (PFDOA)	Partial	Yes	Partial
Perfluorodecanesulfonicacid8:2fts	Partial	Yes	Partial
Perfluoroundecanoicacid (PFUNA)	Partial	Yes	Partial
Perfluorodecanoicacid (PFDA)	Partial	Yes	Partial
11cl-Pf3ouds	Partial	Yes	Partial
Endothall	Partial	Yes	Partial
Nickel	Partial	Yes	Partial
Selenium	Partial	Yes	Partial
Pfdoa	Partial	Yes*	Partial
PFHXS	Partial	Yes*	Partial
PFBS	Partial	Yes*	Partial
Nitrite	Partial	Yes	Partial
Silica	Partial	Yes	Partial
PFHXA	Partial	Yes*	Partial
Radium-226	Partial	Yes	Partial
PFPEA	Partial	Yes*	Partial
6:2 Fts	Partial	Yes*	Partial
Combined Radium (-226 & -228)	Partial	Yes	Partial
Langelier Index (Source Temp.)	Partial	Yes	Partial
Acetone	Partial	Yes	Partial
Perchlorate	Partial	Yes	Partial
Vanadium, Total	Partial	Yes	Partial
Coliform Bacteria (indicator)	No	Yes	No
Gross Alpha Particle Activity	No	No	No
Alkalinity, Bicarbonate	No	No	No
Hardness, Total (ASCACO3)	No	No	No
Sodium	No	Partial	No
Magnesium	No	Partial	No
Calcium	No	Partial	No
pH	No	No	No
pH, Field	No	No	No
Potassium	No	Partial	No
Langelier Index (pH(s))	No	No	No
Orthophosphate	No	No	No

Browse by city

Individual water providers

SANTA ROSA, CITY OF No violations on file — pop. 175,396 — serves SANTA ROSA
PETALUMA, CITY OF No violations on file — pop. 60,781 — serves PETALUMA
ROHNERT PARK, CITY OF No violations on file — pop. 43,821 — serves ROHNERT PARK
WINDSOR, TOWN OF No violations on file — pop. 25,561
VALLEY OF THE MOON WATER DISTRICT No violations on file — pop. 23,107
SONOMA, CITY OF No violations on file — pop. 11,725 — serves SONOMA
SONOMA STATE UNIVERSITY No violations on file — pop. 10,986
HEALDSBURG, CITY OF No violations on file — pop. 10,985 — serves HEALDSBURG
CLOVERDALE, CITY OF No violations on file — pop. 10,398 — serves CLOVERDALE
CALIFORNIA-AMERICAN LARKFIELD (PUC) No violations on file — pop. 7,913
SEBASTOPOL, CITY OF No violations on file — pop. 7,522 — serves SEBASTOPOL
COTATI, CITY OF No violations on file — pop. 7,303 — serves COTATI

SONOMA STATE COLLEGE No violations on file — pop. 6,600
SWEETWATER SPRINGS CWD - GUERNEVILLE No violations on file — pop. 6,000
RUSSIAN RIVER COUNTY WATER DISTRICT No violations on file — pop. 4,150
SONOMA STATE HOSPITAL No violations on file — pop. 3,970
FORESTVILLE WATER DISTRICT No violations on file — pop. 3,788
CSP-SALT POINT STATE PARK No violations on file — pop. 3,513
CSP-FORT ROSS STATE PARK No violations on file — pop. 3,501
SWEETWATER SPRINGS CWD - MONTE RIO No violations on file — pop. 3,000
HALF MOON BAY STATE BEACH No violations on file — pop. 2,739
SONOMA COAST STATE BEACH No violations on file — pop. 2,550
PENNGROVE WATER COMPANY (PUC) No violations on file — pop. 1,742
SONOMA COAST S.B. BODEGA DUNE No violations on file — pop. 1,561
SONOMA DEVELOPMENTAL CENTER No violations on file — pop. 1,500
SONOMA COUNTY CSA 41-FITCH MOUNTAIN No violations on file — pop. 1,265
CAMP MEEKER WATER SYSTEM No violations on file — pop. 1,171
SEA RANCH WATER COMPANY,THE (PUC) Open violation — pop. 1,160
BODEGA BAY PUBLIC UTILITY DISTRICT No violations on file — pop. 1,069
CALIFORNIA-AMERICAN GEYSERVILLE (PUC) No violations on file — pop. 1,046
KENWOOD VILLAGE WATER COMPANY (PUC) No violations on file — pop. 1,029
SUTTER SANTA ROSA REGIONAL HOSPITAL No violations on file — pop. 1,000
RUSSIAN RIVER WC RIO DELL DIS No violations on file — pop. 900
SANTA ROSA MEMORIAL HOSPITAL No violations on file — pop. 850
CANON MANOR WATER SYSTEM No violations on file — pop. 805
ODD FELLOWS RECREATION CLUB No violations on file — pop. 757
URJ CAMP NEWMAN No violations on file — pop. 705
MOON VALLEY WATER SYSTEM No violations on file — pop. 691
JEHOVAH'S WITNESSES HALL No violations on file — pop. 650
DIAMOND A MUTUAL WATER COMPANY Open violation — pop. 640
CSP-ARMSTRONG REDWOODS STATE RESERVE No violations on file — pop. 611
KORBEL BROTHERS WINERY No violations on file — pop. 546
OCCIDENTAL COMMUNITY SERVICES DISTRICT No violations on file — pop. 533
CAZADERO WATER COMPANY, INC. (PUC) Open violation — pop. 525
CSP-WRIGHTS BEACH STATE PARK No violations on file — pop. 502
SANTA ROSA MEMORIAL HOSPITAL No violations on file — pop. 500
ODD FELLOWS PARK No violations on file — pop. 500
SONOMA TRANSFER STATION No violations on file — pop. 500
CEDARVILLE COUNTY WATER DISTRI No violations on file — pop. 500
WRIGHT ELEMENTARY SCHOOL No violations on file — pop. 500
OAK GROVE SCHOOL Open violation — pop. 500
CLINE CELLARS No violations on file — pop. 500
BELLEVUE UNION SCH DIST-KAWANA SCHOOL Older violation on record — pop. 481
ARMSTRONG VALLEY-CAL WATER SERVICE (PUC) No violations on file — pop. 473
U.S. COAST GUARD TRAINING CENTER Open violation — pop. 469
RINCON VALLEY MOBILE ESTATES Open violation — pop. 460
WILLOWSIDE SCHOOL Open violation — pop. 460
WILLOWSIDE MUTUAL WATER COMPANY No violations on file — pop. 448
CASINI RANCH CAMPGROUND No violations on file — pop. 442
BENNETT RIDGE MUTUAL WATER COMPANY No violations on file — pop. 439
SERENO DEL MAR WATER COMPANY (PUC) No violations on file — pop. 435
SONOMA COUNTY CSA 41-SALMON CREEK No violations on file — pop. 427
SANTA ROSA MOBILE ESTATES No violations on file — pop. 420
ALLIANCE REDWOODS CONFERENCE GROUNDS No violations on file — pop. 418
LEISURE MOBILE HOME PARK No violations on file — pop. 410
SONOMA COUNTY CSA 41-JENNER No violations on file — pop. 406
CSP-GOAT ROCK STATE BEACH No violations on file — pop. 402
KOA - PETALUMA No violations on file — pop. 401
BROOKWOOD MOBILE HOME PARK No violations on file — pop. 400
LUTHER BURBANK CTR FOR APTS No violations on file — pop. 400
OLIVET ELEMENTARY SCHOOL Open violation — pop. 400
TWIN HILLS SCHOOL DIST-TWIN HILLS SCHOOL No violations on file — pop. 400
TWIN HILLS SCHOOL DIST-APPLE BLOSSOM SCH No violations on file — pop. 400
GRAVENSTEIN SCHOOL DISTRICT-GRAVENSTEIN Open violation — pop. 398
BUCHER WATER COMPANY No violations on file — pop. 394
URSULINE HIGH SCHOOL No violations on file — pop. 380
BELLEVUE UNION SCH DIST-BELLEVUE SCHOOL No violations on file — pop. 380
HEIGHTS MUTUAL WATER COMPANY No violations on file — pop. 363
JACK LONDON STATE HISTORIC PAR No violations on file — pop. 350
UNION HOTEL No violations on file — pop. 350
COLONIAL PARK No violations on file — pop. 342
TED BILD No violations on file — pop. 325
NORTHWEST PREP CHARTER SCHOOL Open violation — pop. 325
SEBASTOPOL CHARTER SCHOOL No violations on file — pop. 310
PETRIFIED FOREST No violations on file — pop. 304
SIKH GURDWARA SANTA ROSA No violations on file — pop. 302
SUMMERFIELD WALDORF SCHOOL No violations on file — pop. 301
CAZADERO PERFORMING ARTS CAMP No violations on file — pop. 301
FIORI'S RESTAURANT No violations on file — pop. 300
LOS GUILUCOS JUVENILE FACILITY No violations on file — pop. 300
SEQUOIA GARDENS MOBILE HOME PARK Older violation on record — pop. 300
PALMS INN No violations on file — pop. 300
LOMBARDI'S DELI & BBQ No violations on file — pop. 300
PALOMINO LAKES MUTUAL WATER CO. No violations on file — pop. 300
THE LODGE AT SONOMA Older violation on record — pop. 300
SALMON CREEK MIDDLE SCHOOL Open violation — pop. 300
BRANGER MUTUAL WATER COMPANY, INC. Open violation — pop. 300
HOLLAND HEIGHTS MUTUAL WATER COMPANY No violations on file — pop. 300
SONOMA COUNTY CSA 41-FREESTONE No violations on file — pop. 290
GILL CREEK MUTUAL WATER COMPANY No violations on file — pop. 290
GRAVENSTEIN SCHOOL DISTRICT-HILLCREST Open violation — pop. 289
CARMET BY THE SEA WATER COMPANY No violations on file — pop. 288
BELMONT TERRACE MUTUAL WATER COMPANY No violations on file — pop. 287
ALEXANDER VALLEY RV PARK & CAMPGROUND No violations on file — pop. 281
THORNTON WATER SYSTEM ST BCH No violations on file — pop. 273
TIMBER COVE COUNTY WATER DISTRICT No violations on file — pop. 271
NACO WEST - RUSSIAN RIVER PRESERVE No violations on file — pop. 263
HAPPY ACRES MUTUAL BENEFIT WATER SYSTEM No violations on file — pop. 260
WILSON SCHOOL No violations on file — pop. 255
RIVER BEND RESORT No violations on file — pop. 255
SONOMA COUNTY PARKS-VET. MEMORIAL BEACH No violations on file — pop. 252
CATHOLIC CHARITIES - CYO CAMP No violations on file — pop. 250
MOUNTAIN VIEW MOBILE ESTATES, LLC Older violation on record — pop. 250
SANTA ROSA GOLF & COUNTRY CLUB No violations on file — pop. 250
ADAIR KUNDE, LLC No violations on file — pop. 250
BACCHUS LANDING CELLARS No violations on file — pop. 250 — serves HEALDSBURG
WILLOWSIDE SCHOOL No violations on file — pop. 247
COLLEGE PARK MUTUAL WATER COMPANY No violations on file — pop. 244
CINNABAR ELEMENTARY SCHOOL No violations on file — pop. 228
LIBERTY SCHOOL No violations on file — pop. 225
BENZIGER FAMILY WINERY No violations on file — pop. 225
FRANCIS COPPOLA WINERY Open violation — pop. 222
MAGIC MOUNTAIN MUTUAL WATER COMPANY No violations on file — pop. 221
NORTH STAR MOBILE HOME PARK No violations on file — pop. 221
LAWNDALE MUTUAL WATER COMPANY No violations on file — pop. 218
MOBILE HOME ESTATES Open violation — pop. 210
RAINS CREEK WATER DISTRICT No violations on file — pop. 208
JAMES COURT WATER SYSTEM Open violation — pop. 208
CSP-SUGARLOAF RIDGE STATE PARK No violations on file — pop. 204
PUBLIC HEALTH CLINIC BUILDINGS No violations on file — pop. 200
SAINT MARY'S CHURCH No violations on file — pop. 200
RONALD J HERRING No violations on file — pop. 200
MARK WEST SCHOOL No violations on file — pop. 200
SEBASTOPOL COOPERATIVE CANNERY No violations on file — pop. 200
WILSON ELEMENTARY SCHOOL Older violation on record — pop. 200
GILARDI WATER SYSTEM No violations on file — pop. 200
JOHNSON'S BEACH RESORT No violations on file — pop. 200
SONOMA WAREHOUSING No violations on file — pop. 200
RANDAL'S RANCHETTE MUTUAL WATER COMPANY Open violation — pop. 200
YULUPA MUTUAL WATER COMPANY No violations on file — pop. 200
ALEXANDER VALLEY UNION SCHOOL DISTRICT No violations on file — pop. 200
GEYSERVILLE NEWTECH ACADEMY SCHOOL Open violation — pop. 200
EL PORTAL MOBILE ESTATES Open violation — pop. 200
PRESENTATION SCHOOL Open violation — pop. 200
ADAIR VIANSA, LLC No violations on file — pop. 200
MARK WEST LODGE EVENT CENTER No violations on file — pop. 200
STONEGATE MOBILE HOME PARK No violations on file — pop. 196
SHAMROCK MOBILE HOME PARK No violations on file — pop. 188
SONOMA MOUNTAIN COUNTY WATER DISTRICT No violations on file — pop. 181
JOURNEY'S END MOBILE HOME PARK No violations on file — pop. 180
RIO LINDO ADVENTIST ACADEMY No violations on file — pop. 178
WESTERN MOBILE HOME PARK Open violation — pop. 178
BILL TIERNEY No violations on file — pop. 175
RANCHO SANTA ROSA MHP No violations on file — pop. 175
WEST SIDE UNION SCHOOL DISTRICT No violations on file — pop. 175
DUNHAM SCHOOL Open violation — pop. 175
CORNERSTONE SONOMA No violations on file — pop. 175
MANZANA PRODUCTS COMPANY, INC. No violations on file — pop. 175
LANDMARK VINEYARDS, LTD. No violations on file — pop. 175
PLAZA MOBILE HOME PARK Open violation — pop. 169
WESTMINSTER WOODS CAMP No violations on file — pop. 168
CAMP CAZADERO No violations on file — pop. 166
RODNEY STRONG VINEYARDS No violations on file — pop. 160
SAINT FRANCIS WINERY-WILD OAK VINEYARDS No violations on file — pop. 160
AUSTIN CREEK STATE RECREATION No violations on file — pop. 158
RUSSIAN RIVER VINEYARDS & RESTAURANT No violations on file — pop. 157
ANDY'S PRODUCE MARKET, INC. Open violation — pop. 157
ADAIR B.R. COHN, LLC No violations on file — pop. 155
SONOMA RANCH MUTUAL WATER COMPANY Open violation — pop. 151
SONOMA STATE U.-FAIRFIELD OSBORN PRES No violations on file — pop. 151
NEGRI'S RESTAURANT/HILLTOP WATER SYSTEM No violations on file — pop. 150
JAKE'S DELICATESSEN No violations on file — pop. 150
PACIFIC CHRISTIAN ACADEMY No violations on file — pop. 150
CALPINE (GEYSERS ADMINISTRATION CENTER) No violations on file — pop. 150
MISSION HIGHLANDS MUTUAL WATER CO. No violations on file — pop. 150
RIEBLI MUTUAL WATER COMPANY No violations on file — pop. 150
AUSTIN CREEK MUTUAL (SPRINGHILL) No violations on file — pop. 150
NICHOLSON RANCH WINERY No violations on file — pop. 150
CAMP LIAHONA REDWOODS No violations on file — pop. 150
MACROSTIE WINERY AND VINEYARD No violations on file — pop. 150
HOP KILN WINERY No violations on file — pop. 150
THUNDERBIRD RANCH No violations on file — pop. 150
GEORGE RANCH MUTUAL WATER COMPANY Open violation — pop. 148
FERRARI-CARANO WINERY Open violation — pop. 142
SUNSET PARK COMMUNITY Open violation — pop. 141
KENWOOD SCHOOL DISTRICT No violations on file — pop. 140
RAM'S GATE WINERY No violations on file — pop. 140
REDWOOD ADVENTIST ACADEMY No violations on file — pop. 140
MATANZAS CREEK WINERY No violations on file — pop. 139
KELLY MUTUAL WATER COMPANY Open violation — pop. 135
IMAGERY ESTATE WINERY No violations on file — pop. 135
CSP-PETALUMA ADOBE STATE HISTORIC PARK No violations on file — pop. 134
EL CRYSTAL MOBILE HOME PARK No violations on file — pop. 130
TRIPLE S RANCH No violations on file — pop. 130
CSP-JACK LONDON STATE HISTORIC PARK No violations on file — pop. 130
ROSELAND MOBILE HOME PARK No violations on file — pop. 130
END-O-VALLEY MUTUAL WATER COMPANY No violations on file — pop. 129
LEDSON WINERY AND VINEYARDS No violations on file — pop. 128
DUNCANS MILLS CAMPING CLUB No violations on file — pop. 127
FIRCREST MUTUAL WATER COMPANY No violations on file — pop. 126
FOLEY FAMILY WINES CHATEAU ST. JEAN No violations on file — pop. 125
E & J GALLO WINERY-SONOMA No violations on file — pop. 124
CAPRI MOBILE VILLA Older violation on record — pop. 122
BOISSET - BUENA VISTA WINERY No violations on file — pop. 122
TRADITIONAL MEDICINALS, INC. No violations on file — pop. 120
HESSEL CHURCH No violations on file — pop. 116
DOWNTOWN GRATON MUTUAL WATER SYSTEM No violations on file — pop. 115
BRAND WATER COMPANY No violations on file — pop. 112
CANON MANOR WATER COMPANY No violations on file — pop. 110
JACUZZI WINERY No violations on file — pop. 108
BILL TIERNEY No violations on file — pop. 107
GUNDLACH BUNDSCHU WINERY No violations on file — pop. 106
GARY FARRELL WINERY No violations on file — pop. 106
ANABA WINERY No violations on file — pop. 105
JAN KLEBE No violations on file — pop. 101
STARLITE WINERY No violations on file — pop. 101
BOB FIELDS Older violation on record — pop. 100
OLD ADOBE SCHOOL No violations on file — pop. 100
MONTECITO SHOPPING CENTER No violations on file — pop. 100
PORT SONOMA MARINA No violations on file — pop. 100
C/O J. HARDY No violations on file — pop. 100
FIRE MTN LODGE No violations on file — pop. 100
SONOMA MISSION INN No violations on file — pop. 100
LAZY D CAFE No violations on file — pop. 100
ELIM GROVE No violations on file — pop. 100
AMEDEO RESTAURANT No violations on file — pop. 100
REDWOOD DRIVE-IN No violations on file — pop. 100
STANDARD STRUCTURES, INC' No violations on file — pop. 100
SONOMA CREEK WINERY No violations on file — pop. 100
FORT BIDWELL INDIAN RESERVATIO No violations on file — pop. 100
FULTON PROCESSORS, INC. Older violation on record — pop. 100
SEQUOIA WATER COMPANY No violations on file — pop. 100
PETALUMA LIVESTOCK AUCTION YARD No violations on file — pop. 100
VINEBURG DELI & GROCERY No violations on file — pop. 100
SUNRISE MOUNTAIN MUTUAL WATER COMPANY No violations on file — pop. 100
FORT ROSS SCHOOL DISTRICT No violations on file — pop. 100
HORICON SCHOOL No violations on file — pop. 100
CLOVERDALE CAMPGROUND No violations on file — pop. 100
CLOVERLEAF RANCH SUMMER CAMP No violations on file — pop. 100
MIDGLEY'S COUNTRY FLEA MARKET No violations on file — pop. 100
LYNMAR WINERY No violations on file — pop. 100
VALLEY OF THE MOON PLAZA SHOPPING CENTER No violations on file — pop. 100
HILTON MUTUAL WATER COMPANY No violations on file — pop. 100
MOLINO CORNER WATER SYSTEM No violations on file — pop. 100
GEYSERVILLE WINERY No violations on file — pop. 100
OCEAN COVE LODGE - BAR & GRILL No violations on file — pop. 100
SONOMA MISSION APARTMENTS No violations on file — pop. 100
BROADWAY MARKET No violations on file — pop. 100
BERRYS MARKET No violations on file — pop. 100
CSP-AUSTIN CREEK (BULLFROG POND CAMP) No violations on file — pop. 100
HILTON PARK FAMILY CAMPGROUND No violations on file — pop. 100
CSP-FISK MILL STATE PARK No violations on file — pop. 100
SAFARI WEST No violations on file — pop. 99
FRIEDMAN BROTHERS HARDWARE No violations on file — pop. 95
RANCHO DEL PARADISO-CAL WATER SVC (PUC) No violations on file — pop. 94
LYTTON SPRINGS WINERY No violations on file — pop. 93
MICHELE MUTUAL WATER COMPANY No violations on file — pop. 93
HOOT OWL CREEK/ALEX. VALLEY VINEYARDS JV No violations on file — pop. 91
SILVER OAK WINE CELLARS LLC No violations on file — pop. 91
BLUE SPRUCE MOBILE HOME PARK No violations on file — pop. 90
STONESTREET WINERY No violations on file — pop. 90
SOUTH CLOVERDALE WATER COMPANY Open violation — pop. 90
RAMEY VINEYARDS No violations on file — pop. 90
VALLEY FORD WATER ASSOCIATION Older violation on record — pop. 88
RUSSIAN RIVER MUTUAL WATER CO. No violations on file — pop. 87
HANS FAHDEN VINEYARDS No violations on file — pop. 87
TIPS ROADSIDE No violations on file — pop. 86
SARALEE'S VINEYARD AND TASTING ROOM No violations on file — pop. 84
SANTA ROSA CHRISTIAN SCHOOL No violations on file — pop. 82
AUSTIN ACRES MUTUAL WATER COMPANY No violations on file — pop. 82
WENDELL LANE MUTUAL WATER COMPANY No violations on file — pop. 82
HAWKINS WATER CO-CAL WATER SERVICE (PUC) No violations on file — pop. 81
BLACK MOUNTAIN CONSERVATION CA No violations on file — pop. 80
BLACK MOUNTAIN No violations on file — pop. 80
STOP 'N SHOP No violations on file — pop. 80
EL ADOBE RANCHO No violations on file — pop. 80
SONOMA VALLEY MOOSE LODGE #2048 No violations on file — pop. 80
SOBRE VISTA WATER COMPANY No violations on file — pop. 80
SALT & STONE RESTAURANT No violations on file — pop. 80
REDWOOD EMPIRE SAWMILL No violations on file — pop. 80
VINWOOD CELLARS PRODUCTION AREA No violations on file — pop. 80
NOEL HEIGHTS-CAL WATER SERVICE (PUC) No violations on file — pop. 79
BODEGA WATER COMPANY Older violation on record — pop. 77
WESTSIDE STORAGE WATER SYSTEM No violations on file — pop. 77
CROWELL KING RIDGE, LLC No violations on file — pop. 76
MADRONE MUTUAL WATER COMPANY No violations on file — pop. 76
WAUGH SCHOOL DISTRICT No violations on file — pop. 75
TRAIN TOWN No violations on file — pop. 75
WEST WATER COMPANY No violations on file — pop. 75
CALIFORNIA HIGHWAY PATROL No violations on file — pop. 75
SCHOOLHOUSE CAMPGROUNDS No violations on file — pop. 75
WEST FIELD COMMUNITY No violations on file — pop. 75
JORDAN VINEYARD & WINERY No violations on file — pop. 75
LA CANTERA RACQUET CLUB No violations on file — pop. 75
J VINEYARDS & WINERY No violations on file — pop. 75
LASSETER FAMILY WINERY No violations on file — pop. 75
DUTTON RANCH CORPORATION No violations on file — pop. 75
LA CREMA WINERY No violations on file — pop. 75
KENWOOD BPSC LLC No violations on file — pop. 75
SANTA ROSA LIQUOR AND DELI No violations on file — pop. 75
PARK ROYAL MUTUAL WATER COMPANY Older violation on record — pop. 75
WASHOE HOUSE No violations on file — pop. 75
RUSSIAN RIVER WINERY No violations on file — pop. 73
BRESSIE, V L WATER SYSTEM - MI No violations on file — pop. 72
VINO FARMS, INC. - PRESTON RANCH No violations on file — pop. 72
ROBERT YOUNG FAMILY LIMITED PARTNER No violations on file — pop. 71
SONOMA DEVELOPMENTAL CENTER Older violation on record — pop. 71
JUDY WEBER No violations on file — pop. 70
PLANTATION FARM CAMP No violations on file — pop. 70
GLORIA FERRER CAVES No violations on file — pop. 70
CAMP ROYANEH No violations on file — pop. 70
WILSHIRE HEIGHTS MUTUAL WATER COMPANY No violations on file — pop. 70
BRIDGEHAVEN PARK Older violation on record — pop. 70
TRENTADUE WINERY No violations on file — pop. 70
SONOMA COUNTY PARKS-STILLWATER COVE Open violation — pop. 70
WINE COUNTRY IND PARK - BLDG C No violations on file — pop. 70
SONOMA SEVENTH DAY ADVENTIST CHURCH No violations on file — pop. 70
SBRAGIA WINERY No violations on file — pop. 68
ASTI WINERY No violations on file — pop. 67
CAMP THAYER SUBDIVISION No violations on file — pop. 66
SIX ACRES WATER COMPANY Open violation — pop. 66
ROBIN WAY WATER SYSTEM Older violation on record — pop. 66
PLUMFIELD SCHOOL No violations on file — pop. 65
LONE PINE MUTUAL WATER COMPANY No violations on file — pop. 65
EVERGREEN MOBILE ESTATES No violations on file — pop. 65
SEBASTIANI VINEYARDS No violations on file — pop. 65
KJ CARNEROS HILLS WINERY No violations on file — pop. 65
WESTSIDE WATER DISTRICT No violations on file — pop. 64
MOUNT GILEAD BIBLE CONFERENCE Open violation — pop. 64
GRACIANNA WINERY No violations on file — pop. 64
CHATEAU DIANA No violations on file — pop. 64
MELITA HEIGHTS MUTUAL WATER COMPANY No violations on file — pop. 64
MOORLAND AVENUE APARTMENTS Older violation on record — pop. 64
MARTINELLI RANCH No violations on file — pop. 63
CAMPANA RANCH WINERY No violations on file — pop. 63
U.S. ARMY CORPS-LIBERTY GLEN CAMPGROUND No violations on file — pop. 62
SCRIBE WINERY No violations on file — pop. 62
SANGIACOMO WINERY No violations on file — pop. 62 — serves SONOMA
MARK WEST ACRES MWC No violations on file — pop. 61
STUHLMULLER VINEYARDS No violations on file — pop. 61
RACK & RIDDLE CUSTOM WINE SERVICES No violations on file — pop. 61
K BARR DAUGHTERS WATER SYSTEM No violations on file — pop. 61
COLLEGE AVENUE BUILDING Older violation on record — pop. 60
AUSTIN CREEK BLOCKS 14 & 15 No violations on file — pop. 60
SODA ROCK WINERY - INACTIVE SINCE 1993 No violations on file — pop. 60
SAINT DOROTHY'S REST CAMP No violations on file — pop. 60
DRY CREEK STORE No violations on file — pop. 60
BOULEVARD HEIGHTS MUTUAL WATER No violations on file — pop. 60
VALLEY FORD HOTEL Older violation on record — pop. 60
GROSKOPF WAREHOUSE & LOGISTICS Open violation — pop. 60
HEIRS OF MY DREAM WINERY, INC. No violations on file — pop. 60
FLOWERS WINERY No violations on file — pop. 60
TERRACE VIEW WATER SYSTEM No violations on file — pop. 60
GRATON COMMERCE CENTER No violations on file — pop. 60
MARK WEST ESTATES Older violation on record — pop. 60
MARK WEST NEIGHBORHOOD CHURCH Older violation on record — pop. 60
FOLEY SONOMA WINERY No violations on file — pop. 59
DELORES LANE WATER SYSTEM No violations on file — pop. 59
MORTON'S WARM SPRINGS / SONOMA SPRINGS No violations on file — pop. 59
LA HACIENDA DEL TORO No violations on file — pop. 58
INDUSTRY WEST No violations on file — pop. 57
FOG CREST WINERY No violations on file — pop. 57
7180 HWY 116 LLC No violations on file — pop. 57
EKTIMO VINEYARDS No violations on file — pop. 57
BRICOLEUR VINEYARDS No violations on file — pop. 57
LICHAU HYLANDS MUTUAL WATER COMPANY No violations on file — pop. 56
PRESTON WINERY No violations on file — pop. 55
SAINT ANNE'S CROSSING WINERY No violations on file — pop. 55
RATNA LING RETREAT No violations on file — pop. 55
CHALK HILL WINERY No violations on file — pop. 55
COMSTOCK WINERY No violations on file — pop. 55
DONUM ESTATE WATER SYSTEM No violations on file — pop. 55
E STRING CELLARS No violations on file — pop. 54
BACA TASTING ROOM No violations on file — pop. 53 — serves HEALDSBURG
U.S. ARMY CORPS-LAKE SONOMA HEADQUARTERS No violations on file — pop. 52
SONOMA COUNTY PARKS-PUTNAM PARK No violations on file — pop. 52
VIRGINIA DARE WINERY Open violation — pop. 51
AMISTA VINEYARDS No violations on file — pop. 51
LAKE SONOMA MARINA No violations on file — pop. 51
OCCIDENTAL ARTS & ECOLOGY CENTER No violations on file — pop. 51
COVIN WATER SYSTEM No violations on file — pop. 51
CARLISLE WINERY Older violation on record — pop. 50
CALVARY ASSEMBLY OF GOD No violations on file — pop. 50
GREEN MILL INN No violations on file — pop. 50
POZZI S MARKET No violations on file — pop. 50
3355 SANTA ROSA AVENUE No violations on file — pop. 50
MARK WEST SCHOOL No violations on file — pop. 50
WALLACE PARK MUTUAL No violations on file — pop. 50
YWCA -A SPECIAL PLACE No violations on file — pop. 50
CAMP LITTLE BEAR No violations on file — pop. 50
WINNERS CIRCLE RANCH No violations on file — pop. 50
DIMENSIONS/PERLER-INACTIVED No violations on file — pop. 50
EL TENAMPA CLUB No violations on file — pop. 50
CHARLES S. AND SANDRA K. GINTHUM No violations on file — pop. 50 — serves SEBASTOPOL
TRINITE ESTATE WINERY No violations on file — pop. 50
OCEAN SONG FARM & WILDERNESS CENTER No violations on file — pop. 50
DA VERO FARMS No violations on file — pop. 50
MICHEL-SCHLUMBERGER FINE WINE ESTATE No violations on file — pop. 50
GRAY WATER SYSTEM No violations on file — pop. 50
TWIN HILLS VINEYARD No violations on file — pop. 50
ATHENA TERRACE MUTUAL WATER COMPANY No violations on file — pop. 50
SONOMA WEST HOLDINGS NORTH PLANT No violations on file — pop. 50
KENWOOD VINEYARDS AND WINERY No violations on file — pop. 50
FREMONT DINER No violations on file — pop. 50
BARTHOLOMEW FOUNDATION No violations on file — pop. 50
CAPITAL LUMBER COMPANY No violations on file — pop. 50
S & W WAREHOUSING, LLC Open violation — pop. 50
SODA ROCK WINERY No violations on file — pop. 50
PORT SONOMA MARINA No violations on file — pop. 50
SEBASTOPOL VINEYARDS No violations on file — pop. 50
ADOBE CHRISTIAN CHURCH No violations on file — pop. 50
BLUE HERON RESTAURANT No violations on file — pop. 50
GRATON MUTUAL WATER SYSTEM No violations on file — pop. 50
CHAOS VINEYARDS, LLC. No violations on file — pop. 50
DRY CREEK VINEYARD No violations on file — pop. 50
GRAVENSTEIN BUSINESS PARK No violations on file — pop. 50
WILLOWBROOK ALE HOUSE No violations on file — pop. 50
SCHELLVILLE GRILL No violations on file — pop. 50
CARNEROS WAREHOUSING No violations on file — pop. 50
KELLER ESTATE WINERY No violations on file — pop. 50
SONOMA COUNTY PARKS-RIVERFRONT PARK No violations on file — pop. 50
LAURA CHENEL'S CHEVRE INC. Open violation — pop. 50
CAST ESTATE VINEYARDS & CELLARS No violations on file — pop. 50
LOS ARROYOS GOLF COURSE No violations on file — pop. 50
ALPHABET SOUP PRESCHOOL & DAY CARE No violations on file — pop. 50
FORT ROSS VINEYARDS No violations on file — pop. 50
WILLIAMSON WINES No violations on file — pop. 50
WILDWOOD RETREAT No violations on file — pop. 50
MERRIAM WINERY No violations on file — pop. 50
BACIGALUPI VINEYARDS No violations on file — pop. 49
KINNYBROOK MUTUAL WATER COMPANY No violations on file — pop. 48
EDDY DRIVE No violations on file — pop. 48 — serves SONOMA
NONESUCH FARM SCHOOL No violations on file — pop. 46
LANCASTER ESTATE WINERY No violations on file — pop. 46
AUSTIN CREEK BLOCKS 17 & 19 No violations on file — pop. 45
WEST WATER COMPANY No violations on file — pop. 45
UNITARIAN FELLOWSHIP OF No violations on file — pop. 45
TERRACE VIEW MUTUAL WATER CO. No violations on file — pop. 45
KUNDE ESTATE WINERY - INACTIVE 1993 No violations on file — pop. 45
CAMPOBELLO No violations on file — pop. 45
KENDALL-JACKSON WINE CENTER No violations on file — pop. 45
HUCKLEBERRY MUTUAL WATER COMPANY No violations on file — pop. 45
DUNCANS MILLS TRADING COMPANY No violations on file — pop. 45
SUMMIT VIEW RANCH MUTUAL WATER CO. No violations on file — pop. 45
TRATTORE WINERY No violations on file — pop. 45
MYCOPIA LLC No violations on file — pop. 45 — serves SEBASTOPOL
ROCHE FAMILY WINERY No violations on file — pop. 45
HORSE & PLOW TASTING ROOM No violations on file — pop. 45
BELLA VINEYARDS AND WINE CAVES No violations on file — pop. 45
SMOTHER'S WATER SYSTEM No violations on file — pop. 45
ARROWOOD VINEYARDS & WINERY No violations on file — pop. 44
PARADISE GROVE ASSN No violations on file — pop. 42
WEST BEACH MUTUAL WATER COMPAN No violations on file — pop. 42
VINEHILL VISTAS MUTUAL WATER COMPANY No violations on file — pop. 42
BALLETTO VINEYARDS No violations on file — pop. 42
CHILDKIND LAGUNA PRESCHOOL No violations on file — pop. 42
SUGARLOAF WATER SYSTEM No violations on file — pop. 42
ZICHICHI WINERY No violations on file — pop. 41
CAMP VIA AT No violations on file — pop. 40
CAMP VIA AT SONOMA STATE HOSPI No violations on file — pop. 40
GEYSERVILLE EDUCATION PARK No violations on file — pop. 40
C.J.'S SPORTS BAR & GRILL No violations on file — pop. 40
HEALDSBURG TRANSFER STATION No violations on file — pop. 40
HIGHLAND HOUSE RESTAURANT No violations on file — pop. 40
GAVER VINEYARD/FARMWORKER HOUSE #1 No violations on file — pop. 40
CALIFORNIA DEPT OF FORESTRY No violations on file — pop. 40
SONOMA COUNTY MUTUAL WATER COMPANY No violations on file — pop. 40
CLEAR CREEK WATER COMPANY No violations on file — pop. 40
WEST WATER COMPANY (PUC) No violations on file — pop. 40
MAURITSON FAMILY WINERY No violations on file — pop. 40
OVERSHINE WINE COMPANY No violations on file — pop. 40
TRUCK TOPS USA No violations on file — pop. 40 — serves SANTA ROSA
MOM'S APPLE PIE No violations on file — pop. 40
GURDJIEFF FOUNDATION No violations on file — pop. 40
CRYSTALS No violations on file — pop. 40 — serves SANTA ROSA
WOHLER SPRINGS LLC No violations on file — pop. 40
MAYACAMAS WAREHOUSE, LLC Open violation — pop. 40
WASHOE CREEK GOLF COURSE Older violation on record — pop. 40
SONOMA CUTRER No violations on file — pop. 40
DUTCHER CROSSING WINERY No violations on file — pop. 40
SONOMA COAST VILLA No violations on file — pop. 39
NORTH COAST WINE CO. Older violation on record — pop. 39
TIMBER COVE INN No violations on file — pop. 38
CORBY AVENUE APARTMENTS No violations on file — pop. 38
SEGHESIO FARMS No violations on file — pop. 38
VERITE WINERY No violations on file — pop. 38
DUTTON FARMWORKER HOUSING No violations on file — pop. 38
SHADY LANE MOBILE HOME PARK-INACTIVE Older violation on record — pop. 38
LAMBERT BRIDGE WINERY No violations on file — pop. 38 — serves HEALDSBURG
SPIDER WEB RANCH No violations on file — pop. 38
HUMANE SOCIETY OF SONOMA COUNTY No violations on file — pop. 37
JJAPT BLOOMFIELD No violations on file — pop. 37
MAURITSON LABOR HOUSE No violations on file — pop. 37
POCKET CANYON CABINS No violations on file — pop. 36
FRITSCH INDUSTRIAL PARK No violations on file — pop. 36
OAK GROVE SCHOOL DISTRICT OFFICE No violations on file — pop. 36
SONOMA BOTANICAL GARDEN No violations on file — pop. 36
CENTRO CHRISTIANO EVANGELISTICO CHURCH No violations on file — pop. 36
WRIGHT HEAD START No violations on file — pop. 35
ALEXANDER VALLEY STORE & BAR No violations on file — pop. 35
GOOD BEGINNINGS No violations on file — pop. 35
JAMES E O'CONNELL COMPANY INC No violations on file — pop. 35
WINDSORLAND MOBILE HOME PARK Older violation on record — pop. 35
SONOMA MOUNTAIN ZEN CENTER No violations on file — pop. 35
TLC CHILD & FAMILY SERVICES No violations on file — pop. 35
UNITED RENTALS No violations on file — pop. 35
DEERFIELD RANCH WINERY LLC No violations on file — pop. 35
TRUETT & HURST WINERY No violations on file — pop. 35
ODIYAN BUDDHIST RETREAT CENTER No violations on file — pop. 35
PEPPERWOOD ENVIRONMENTAL CENTER No violations on file — pop. 35
JIMTOWN AND THEN SUM No violations on file — pop. 35
VINO FARMS, INC. - WASSON RANCH No violations on file — pop. 35
PARADISE RIDGE WINERY No violations on file — pop. 35
HOOK & LADDER VINEYARDS AND WINERY No violations on file — pop. 35
HAMEL FAMILY WINES No violations on file — pop. 35
EIGHTH STREET EAST PARTNERS No violations on file — pop. 35
J. RICKARDS WINERY No violations on file — pop. 35
SAINI WINERY No violations on file — pop. 35
PACIFIC CHRISTIAN ACADEMY No violations on file — pop. 35
RAVENSWOOD WINERY No violations on file — pop. 35
BERINGER WINE ESTATES - WORKER HOUSING No violations on file — pop. 34
MADRONA MANOR No violations on file — pop. 34
SONOMA COUNTY PUB WORKS-CENTRAL LANDFILL Open violation — pop. 34
LARKIN WOODS MUTUAL WATER COMPANY No violations on file — pop. 34
LOST RIVER WATER DISTRICT No violations on file — pop. 33
SPEEDWAY SONOMA LLC No violations on file — pop. 33
BOISSET - DE LOACH WINERY No violations on file — pop. 33
APERTURE CELLARS No violations on file — pop. 33
FORT ROSS LODGE, LLC No violations on file — pop. 33
STEVENSON EQUIPMENT No violations on file — pop. 32
EAST AUSTIN CREEK MUTUAL WATER COMPANY No violations on file — pop. 32
QUIVIRA VINEYARDS No violations on file — pop. 31
MICHAEL ELLIS SCHOOL FOR DOG TRAINERS No violations on file — pop. 31
HANNA VINEYARDS No violations on file — pop. 31
LELAND FLY FISHING OUTFITTERS Older violation on record — pop. 30
HILTON MUTUAL WATER COMPANY No violations on file — pop. 30
JAYLEE HEIGHTS MUTUAL WATER CO No violations on file — pop. 30
AUSTIN CREEK BLOCKS 3 & 4 No violations on file — pop. 30
OAK GROVE HEAD START No violations on file — pop. 30
FULL CIRCLE SONOMA No violations on file — pop. 30
ROYAL WINDSOR COTTAGES No violations on file — pop. 30
GENERAL HOOKER PARK No violations on file — pop. 30
PLUM WATER COMPANY No violations on file — pop. 30
PLUMFIELD No violations on file — pop. 30
RAFORD HOUSE No violations on file — pop. 30
GRATON LAND COMPANY No violations on file — pop. 30
SPOONERS RESORT No violations on file — pop. 30
REDWOOD HEIGHTS MUTUAL WATER COMPANY Open violation — pop. 30
MATRIX WINERY No violations on file — pop. 30
WINE COUNTRY IND PARK-BLDGS A&B No violations on file — pop. 30
MOSHIN VINEYARDS No violations on file — pop. 30
HAWKES WINERY No violations on file — pop. 30
WILSON WINERY No violations on file — pop. 30
BUCKLEY FAMILY PARTNERSHIP Open violation — pop. 30
PLUMFIELD ACADEMY SCHOOL (OCCIDENTAL RD) No violations on file — pop. 30
THE RENTAL PLACE No violations on file — pop. 30
SENECA FAMILY OF AGENCIES Open violation — pop. 30
SCHUG CELLARS No violations on file — pop. 30
AZURE ACRES CD RECOVERY CENTER No violations on file — pop. 30
LIETO WATER SYSTEM (REACH CHARTR SCHOOL) No violations on file — pop. 30
FAT PILGRIM GENERAL STORE No violations on file — pop. 30 — serves SONOMA
ZIALENA WINERY No violations on file — pop. 30
MACDONALD BUNKHOUSE No violations on file — pop. 30
STEWARTS POINT WATER SYSTEM No violations on file — pop. 29
CARNEROS DELI No violations on file — pop. 29
NALLE WINERY No violations on file — pop. 29 — serves HEALDSBURG
DUTCHER CREEK VILLAGE No violations on file — pop. 28
DRY CREEK RANCHERIA No violations on file — pop. 28
MAR LINDA MOTEL No violations on file — pop. 28
STARLITE MOTEL No violations on file — pop. 28
VCA FORESTVILLE ANIMAL HOSPITAL No violations on file — pop. 28
PADMASAMBHAVA PEACE INSTITUTE No violations on file — pop. 28
SONOMA PACIFIC PALLET COMPANY No violations on file — pop. 28
PACK JACK BAR-B-QUE/WITHERS WATER No violations on file — pop. 28
ALEXANDER VALLEY ACRES WATER COMPANY No violations on file — pop. 27
PINE HILL TERRACE MOBILE HOME PARK No violations on file — pop. 27
FIELD STONE WINERY No violations on file — pop. 27
KARAH ESTATE WINERY No violations on file — pop. 27
FURTHERMORE WINES WATER SYSTEM No violations on file — pop. 27
ALEXANDER VALLEY STORE & BAR No violations on file — pop. 27
PLUMFIELD (WRIGHT RD. FACILITY) Older violation on record — pop. 26
SUNLIGHT 4-R SCHOOL No violations on file — pop. 26
SONOMA COUNTY PARKS-PYTHIAN TRAILHEAD No violations on file — pop. 26
ORSI FAMILY VINEYARDS No violations on file — pop. 26
LOCH HAVEN MUTUAL WATER COMPANY No violations on file — pop. 26
FARMER WATER SYSTEM No violations on file — pop. 26
CALPINE (WEST FIELD OFFICE) No violations on file — pop. 26
FRITZ WINERY AND VINEYARD No violations on file — pop. 26
ROCHIOLI WINERY No violations on file — pop. 26
TIMBER CREST FARMS No violations on file — pop. 26
RUED VINEYARDS No violations on file — pop. 26
SUNCE WINERY No violations on file — pop. 26
GOLD RIDGE PINOT DBA EMERITUS VINEYARDS No violations on file — pop. 26
COPAIN WINE CELLARS No violations on file — pop. 26
STRIPE N SEAL No violations on file — pop. 26
GIORGIO S RESTAURANT No violations on file — pop. 26
MOUNT WESKE ESTATES MUTUAL WATER COMPANY Older violation on record — pop. 26
LYTTON SPRINGS WATER SYSTEM No violations on file — pop. 26
DAVE'S PIT STOP #1 No violations on file — pop. 25
BLISS MUTUAL WATER SYSTEM No violations on file — pop. 25
CHAVEZ MARKET No violations on file — pop. 25
LITTLE SCHOOL HOUSE, THE No violations on file — pop. 25
CAZSONOMA INN No violations on file — pop. 25
VALLEY OF THE MOON CAMP No violations on file — pop. 25
REDWOOD PAYLESS No violations on file — pop. 25
FORT ROSS HIGHLANDS MUTUAL WAT No violations on file — pop. 25
VIEWS LAND COMPANY No violations on file — pop. 25
PARK WAY DRIVE IN No violations on file — pop. 25
MTN VIEW INN No violations on file — pop. 25
TELDESCHI CELLARS No violations on file — pop. 25
BAKERS SERVICE C/O MYRTLE BAKER No violations on file — pop. 25
CSP SONOMA COAST S. B. No violations on file — pop. 25
SONOMA STATE HISTORIC PARK No violations on file — pop. 25
CSP FISK MILL STATE PARK No violations on file — pop. 25 — serves NC FISK MILL SP
455 YOLANDA AVE SANTA ROSA No violations on file — pop. 25
BRANDLINS AUTO SERVICE No violations on file — pop. 25
SHELL SERVICE STATION No violations on file — pop. 25
ANTONIO'S No violations on file — pop. 25
BETTYS DO-NUTS No violations on file — pop. 25
RINCON VALLEY GRANGE No violations on file — pop. 25
OAK PARK No violations on file — pop. 25
COUNTRY MARKET AND BAR No violations on file — pop. 25
WEST COLLEGE AVENUE PROPERTIES No violations on file — pop. 25
A 1 EQUIPMENT RENTALS No violations on file — pop. 25
HOLIDAY MOTEL No violations on file — pop. 25
ARCO STATION No violations on file — pop. 25
AVENUE INN No violations on file — pop. 25
VITO'S No violations on file — pop. 25
FOUR CORNERS WATER SYSTEM No violations on file — pop. 25
ROSE MARIE GAITON No violations on file — pop. 25
MAZATLAN RESTAURANT No violations on file — pop. 25
MOUNTAIN VIEW INN No violations on file — pop. 25
REDWOOD EMPIRE GAS No violations on file — pop. 25
SHELL SERVICE STATION No violations on file — pop. 25
TROY-BREEZE WATER SYSTEM No violations on file — pop. 25
MADRONNA KNOLLS No violations on file — pop. 25
HANDY'S CORNER SUBDIVISION No violations on file — pop. 25
THE EGGERY No violations on file — pop. 25
HILL SCHOOL - PRIVATE No violations on file — pop. 25
SONOMA COUNTY OFFICE OF EMERGENCY No violations on file — pop. 25
No violations on file — pop. 25
No violations on file — pop. 25
BELLEVIEW AVE APARTMENTS No violations on file — pop. 25
SONOMA JOE'S No violations on file — pop. 25
MARIA'S NEW YORK SUBS No violations on file — pop. 25
NEGRI'S RESTAURANT No violations on file — pop. 25
ROCCO'S FREESTONE CORNERS No violations on file — pop. 25
MAR LINDA MOTEL No violations on file — pop. 25
JOHNSON'S ALEX VALLEY WINERY No violations on file — pop. 25
PAT PAULSEN VINEYARDS No violations on file — pop. 25
PASTORI WINERY No violations on file — pop. 25
P G & E CONSTRUCTION CAMP No violations on file — pop. 25
DIAMOND OAK WINERY No violations on file — pop. 25
WINDSOR CHEVRON & REDWOOD OIL No violations on file — pop. 25
GREEN APPLE INN No violations on file — pop. 25
OAK HILL RANCH No violations on file — pop. 25
CHERRY TREE STORE #2 No violations on file — pop. 25
B EDWARD HINKLE, PRESIDENT No violations on file — pop. 25
PIT STOP RESTAURANT No violations on file — pop. 25
EAGLE RIDGE WINERY No violations on file — pop. 25
DRY CREEK VINEYARD, INC No violations on file — pop. 25
CASWELL VINEYARDS No violations on file — pop. 25
TRUE TO LIFE COUNSELING No violations on file — pop. 25
CLARK'S NURSERY No violations on file — pop. 25
GABLES INN No violations on file — pop. 25
REDWOOD CIRCLE CONDOS No violations on file — pop. 25
SAUSAL WINERY No violations on file — pop. 25
HOT ROCKS, INC No violations on file — pop. 25
SONOMA SKY PARK No violations on file — pop. 25
CSP HALF MOON BAY STATE PARK No violations on file — pop. 25
HALF MOON BAY SP SERVICE AREA No violations on file — pop. 25
WINE COUNTRY RV PARK No violations on file — pop. 25
MONTE VISTA MOTEL No violations on file — pop. 25
COUNTRY INN Older violation on record — pop. 25
PASSALACQUA WINERY No violations on file — pop. 25
MAZZOCCO WINERY No violations on file — pop. 25
WESTERBEKE RANCH No violations on file — pop. 25
ROLLING OAKS ROAD ASSOCIATION No violations on file — pop. 25
MILL CREEK VINEYARDS No violations on file — pop. 25
SONOMA WINE SHOP No violations on file — pop. 25
THOMAS GEORGE ESTATES WINERY No violations on file — pop. 25
SAINTS PETER & PAUL RUSSIAN CHURCH No violations on file — pop. 25
VIMARK TRIONE WINERY No violations on file — pop. 25
PEDRONCELLI WINERY No violations on file — pop. 25
FOPPIANO VINEYARDS No violations on file — pop. 25
TPWC DBA QUARRY LAKE WINERY No violations on file — pop. 25
BODEGA BAY OYSTER COMPANY No violations on file — pop. 25
WILLIAMS SELYEM WINERY No violations on file — pop. 25
SONOMA WEST HOLDINGS INDUSTRIAL PARK No violations on file — pop. 25
MICHAEL LUCAS WATER SYSTEM No violations on file — pop. 25
ROTH WINERY No violations on file — pop. 25
CHAR VALE VINEYARDS No violations on file — pop. 25
TODD ROAD MUTUAL WATER COMPANY Older violation on record — pop. 25
CLEARWATER RANCH No violations on file — pop. 25
WINDSOR OAKS WINERY No violations on file — pop. 25
SEQUOIA WAREHOUSING, LLC No violations on file — pop. 25
PLUMFIELD INC No violations on file — pop. 24
DUSCHO WATER No violations on file — pop. 20
MARK WEST MEADOWS MUTUAL WATER Open violation — pop. 20
RURAL CANYON MUTUAL WATER COMPANY No violations on file — pop. 20
MELODY INN TRAILER PARK No violations on file — pop. 16
WILLOW CREEK STATE PARK No violations on file — pop. 15
CLOVER CREST WATER CORPORATION No violations on file — pop. 12
APOSTOLIC CHRISTIAN SCHOOL No violations on file — pop. 12
REDWOOD SCHOOL No violations on file — pop. 10
CSP-SUGARLOAF RIDGE STATE PARK No violations on file — pop. 6
FRANK'S APPLES No violations on file — pop. 5
APPLE TREE No violations on file — pop. 4
HOEL, MRS No violations on file — pop. 3
BILL'S FARM BASKET No violations on file — pop. 2
LE BALLISTER'S No violations on file — pop. 1
LA MANCHA APARTMENTS No violations on file — pop. 0
BORDEN VILLA CONDOMINIUM ASSOCIATION Older violation on record — pop. 0
MASSINI MUTUAL WATER COMPANY No violations on file — pop. 0
COTTAGE APARTMENTS No violations on file — pop. 0
VILLAGE PARK MOBILE HOME PARK No violations on file — pop. 0
HOLLYDALE MUTUAL WATER COMPANY Older violation on record — pop. 0
PIERRE LAGOUGUE No violations on file — pop. 0
REDWOOD WATER COMPANY No violations on file — pop. 0
SOTOYOME HEIGHTS MUTUAL WATER COMPANY No violations on file — pop. 0
PRESTON HEIGHTS No violations on file — pop. 0
CREEKWOOD ACRES No violations on file — pop. 0
KASHIA INDIAN RANCHERIA No violations on file — pop. 0
BELGLEN MUTUAL WATER COMPANY No violations on file — pop. 0
BUCHER WATER No violations on file — pop. 0
WILLIS MUTUAL WATER COMPANY No violations on file — pop. 0
REDWOOD VILLAGE No violations on file — pop. 0
PARKWOOD APARTMENTS No violations on file — pop. 0
CAMP MEEKER WATER SYSTEMS, INC. Older violation on record — pop. 0
U.S. NAVY - SKAGGS ISLAND No violations on file — pop. 0
BLACK MOUNTAIN CONSERVATN CAMP No violations on file — pop. 0
PETER STRAIN No violations on file — pop. 0
GOLD RIDGE MUTUAL WATER CO No violations on file — pop. 0
GILARDI'S RESORT No violations on file — pop. 0
WILLIAM AHL No violations on file — pop. 0
ARROYO CHICO SUBDIVISION No violations on file — pop. 0
HOLLOW TREE GROCERY No violations on file — pop. 0
CREEKSIDE APARTMENTS No violations on file — pop. 0
ASTON AVENUE APARTMENTS No violations on file — pop. 0
APARTMENTS 939-963 ASTON No violations on file — pop. 0
VINEYARD VIEW VILLAGE No violations on file — pop. 0
SCENIC AVE APTS No violations on file — pop. 0
P G & E ADMINISTRATION CTR No violations on file — pop. 0
FOOTHILLS WATER VENTURE II No violations on file — pop. 0
QUILL PROPERTIES No violations on file — pop. 0
ROBERT KARR No violations on file — pop. 0
LAKE SONOMA RESORT No violations on file — pop. 0
STARR ELEMENTARY SCHOOL No violations on file — pop. 0
SUNRISE MOUNTAIN MUTUAL HOA No violations on file — pop. 0
RANCHO DE SONOMA - INACTIVE Older violation on record — pop. 0
WINDSOR MOBILE COUNTRY CLUB - INACTIVE No violations on file — pop. 0
SONOMA COUNTY WATER AGENCY No violations on file — pop. 0
MOUNT TAYLOR MOBILE HOME PARK Older violation on record — pop. 0
SAINT ANTHONY FARM Older violation on record — pop. 0
SONOMA DEVELOPMENTAL CENTER-CAMP VIA No violations on file — pop. 0
WAYSIDE GARDENS MOBILE HOME PARK No violations on file — pop. 0

Want a different ZIP, city, or address?

Look up your water quality →

Learn more

What is TTHM? Understanding EPA Violation Status Is Chromium-6 Dangerous? Whole-House vs. Under-Sink Filtration Lead and Copper in Drinking Water What is PFAS? Arsenic and Uranium Explained Nitrate and Fluoride Explained Water Hardness, pH, and Turbidity What is Coliform Bacteria?

Sonoma County, CA Water Quality Report

Violations on file

Contaminants found

Browse by city

Individual water providers