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Results for Amador County, CA

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

Quick answer: Amador County has 123 water providers profiled, sorted by population served.

Lead Summary
Odor
Totalhaloaceticacids (HAA5)
TTHM
Bromoform
Bromodichloromethane
Dibromochloromethane
Dibromoaceticacid
Fluoride
Radium-228
Combined Radium (-226 & -228)
Boron, Total
Chromium, Hex
Nitrate-Nitrite
Nitrate
Iron
Manganese
Alkalinity, Total
Alkalinity, Bicarbonate
pH
Chloroform
Dichloroaceticacid
TDS
Gross Alpha Particle Activity
Conductivity (at 25°C)
Aggressive Index
Magnesium
Potassium
Sodium
Calcium
Hardness, Total (ASCACO3)
Chloride
Sulfate
Turbidity
Nickel
Barium
1, 2, 3-Trichloropropane
Color
Copper Summary
Copper, Free
Lead
Vanadium, Total
Zinc
Trichloroaceticacid
Aluminum
Alkalinity, Carbonate
Monochloroaceticacid
Chromium
pH, Field
Carbon, Total
Orthophosphate
Arsenic
Langelier Index (pH(s))

Violations on file

Coliform (TCR)

Older/archived health-based violation

Found at 3 of 123 providers

Lead And Copper Rule

Older/archived health-based violation

Found at 1 of 123 providers

Lead And Copper Rule Revisions

Currently open health violation

Found at 3 of 123 providers

Contaminants found

Metals

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

Lead Summary

Detected: 0.023 mg/L (ppm)

Found at 30 providers

Chromium, Hex

Detected: 3 UG/L (ppb)

Found at 7 providers

Iron

Detected: 6500 UG/L (ppb)

Found at 9 providers

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

Manganese

Detected: 2200 UG/L (ppb)

Found at 7 providers

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

Nickel

Detected: 15 UG/L (ppb)

6/9/2025

Barium

Detected: 120 UG/L (ppb)

Found at 2 providers

Copper Summary

Detected: 2.11 mg/L (ppm)

Found at 3 providers

Copper, Free

Detected: 360 UG/L (ppb)

Found at 7 providers

Lead

Detected: 18 UG/L (ppb)

Found at 4 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.

Vanadium, Total

Detected: 20 UG/L (ppb)

Found at 2 providers

Zinc

Detected: 94 UG/L (ppb)

5/16/2025

Aluminum

Detected: 65 UG/L (ppb)

6/2/2025

Chromium

Detected: 21 UG/L (ppb)

Found at 2 providers

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

Arsenic

Detected: 3.4 UG/L (ppb)

6/11/2025

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

Disinfection Byproducts

Formed when chlorine used to disinfect water reacts with organic matter

Totalhaloaceticacids (HAA5)

Detected: 62.3 UG/L (ppb)

Found at 20 providers

TTHM

Detected: 82.49 UG/L (ppb)

Found at 19 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.

Bromoform

Detected: 4.51 UG/L (ppb)

Found at 2 providers

Bromodichloromethane

Detected: 3.13 UG/L (ppb)

Found at 16 providers

Dibromochloromethane

Detected: 6.53 UG/L (ppb)

Found at 7 providers

Chloroform

Detected: 79.36 UG/L (ppb)

Found at 15 providers

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

Inorganics

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

Fluoride

Detected: 0.42 MG/L (ppm)

Found at 3 providers

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

Boron, Total

Detected: 1500 UG/L (ppb)

Found at 3 providers

Nitrate-Nitrite

Detected: 7.2 MG/L (ppm)

Found at 7 providers

Nitrate

Detected: 7.2 MG/L (ppm)

Found at 15 providers

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

Chloride

Detected: 150 MG/L (ppm)

Found at 9 providers

Sulfate

Detected: 110 MG/L (ppm)

Found at 9 providers

Minerals

Everyday minerals that mainly affect taste and water hardness

Magnesium

Detected: 40 MG/L (ppm)

Found at 7 providers

Potassium

Detected: 7.16 MG/L (ppm)

Found at 5 providers

Sodium

Detected: 99 MG/L (ppm)

Found at 9 providers

Calcium

Detected: 72 MG/L (ppm)

Found at 11 providers

Properties

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

Detected: 7.43 PH

Found at 4 providers

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

Gross Alpha Particle Activity

Detected: 3.64 PCI/L

Found at 4 providers

Hardness, Total (ASCACO3)

Detected: 304 MG/L (ppm)

Found at 9 providers

pH, Field

Detected: 7.9 PH

Found at 5 providers

Orthophosphate

Detected: 1 MG/L (ppm)

Found at 3 providers

Langelier Index (pH(s))

Detected: -0.2 LANG

7/7/2025

VOCs (Volatile Organic Compounds)

Industrial solvents and fuel-related chemicals that evaporate easily

1, 2, 3-Trichloropropane

Detected: 0.0057 UG/L (ppb)

9/16/2025

Calculated Parameters

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

Alkalinity, Bicarbonate

Detected: 370 MG/L (ppm)

Found at 12 providers

Alkalinity, Carbonate

Detected: 10 MG/L (ppm)

4/16/2025

Other

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

Odor

Detected: 40 TON

Found at 6 providers

Dibromoaceticacid

Detected: 5.3 UG/L (ppb)

Found at 5 providers

Radium-228

Detected: 0.704 PCI/L

Found at 2 providers

Combined Radium (-226 & -228)

Detected: 0.724 PCI/L

9/2/2025

A naturally occurring radioactive element found in some groundwater.

Alkalinity, Total

Detected: 300 MG/L (ppm)

Found at 12 providers

Dichloroaceticacid

Detected: 31.2 UG/L (ppb)

Found at 17 providers

TDS

Detected: 540 MG/L (ppm)

Found at 8 providers

Conductivity (at 25°C)

Detected: 1100 UMHO/CM

Found at 9 providers

Aggressive Index

Detected: 11.6 AGGR

Found at 4 providers

Turbidity

Detected: 27 NTU

Found at 7 providers

A measure of water cloudiness from suspended particles.

Color

Detected: 13 UNITS

Found at 6 providers

Trichloroaceticacid

Detected: 36.7 UG/L (ppb)

Found at 12 providers

Monochloroaceticacid

Detected: 5 UG/L (ppb)

Found at 2 providers

Carbon, Total

Detected: 1.9 MG/L (ppm)

Found at 2 providers

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
1, 2, 3-Trichloropropane	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
Odor	Partial	Yes	Partial
Dibromoaceticacid	Partial	Yes	Partial
Fluoride	Partial	Yes	Partial
Combined Radium (-226 & -228)	Partial	Yes	Partial
Boron, Total	Partial	Yes	Partial
Chromium, Hex	Partial	Yes	Partial
Nitrate-Nitrite	Partial	Yes	Partial
Iron	Partial	Yes	Partial
Manganese	Partial	Yes	Partial
Alkalinity, Total	Partial	Yes	Partial
Dichloroaceticacid	Partial	Yes	Partial
TDS	Partial	Yes	Partial
Conductivity (at 25°C)	Partial	Yes	Partial
Aggressive Index	Partial	Yes	Partial
Chloride	Partial	Yes	Partial
Sulfate	Partial	Yes	Partial
Nickel	Partial	Yes	Partial
Barium	Partial	Yes	Partial
Color	Partial	Yes	Partial
Copper, Free	Partial	Yes	Partial
Vanadium, Total	Partial	Yes	Partial
Zinc	Partial	Yes	Partial
Trichloroaceticacid	Partial	Yes	Partial
Aluminum	Partial	Yes	Partial
Monochloroaceticacid	Partial	Yes	Partial
Chromium	Partial	Yes	Partial
Carbon, Total	Partial	Yes	Partial
Coliform Bacteria (indicator)	No	Yes	No
Alkalinity, Bicarbonate	No	No	No
pH	No	No	No
Gross Alpha Particle Activity	No	No	No
Magnesium	No	Partial	No
Potassium	No	Partial	No
Sodium	No	Partial	No
Calcium	No	Partial	No
Hardness, Total (ASCACO3)	No	No	No
Alkalinity, Carbonate	No	No	No
pH, Field	No	No	No
Orthophosphate	No	No	No
Langelier Index (pH(s))	No	No	No

Browse by city

Individual water providers

AWA BUCKHORN PLANT No violations on file — pop. 8,791
AWA, IONE No violations on file — pop. 7,227 — serves JACKSON
CITY OF JACKSON No violations on file — pop. 5,019 — serves JACKSON
AMADOR COUNTY FAIRGROUNDS No violations on file — pop. 5,000
AWA, TANNER No violations on file — pop. 4,940
JACKSON VALLEY IRRIGATION DISTRICT No violations on file — pop. 3,553
AWA - CAMANCHE VILLAGE No violations on file — pop. 2,402
PINE GROVE COMM SERV DIST No violations on file — pop. 1,141
PLYMOUTH, CITY OF No violations on file — pop. 1,060 — serves PLYMOUTH
DEER RIDGE INN No violations on file — pop. 1,000
CAMANCHE NORTH SHORE INC. No violations on file — pop. 922
FIRST MACE MEADOW # 1 Open violation — pop. 838

PLASSE'S RESORT No violations on file — pop. 730
PRESTON SCHOOL OF INDUSTRY No violations on file — pop. 600
PRESTON SCHOOL OF INDUSTRY No violations on file — pop. 600
GOOSE HILL GUN CLUB No violations on file — pop. 600
THE OAKS MOBILE HOME PARK No violations on file — pop. 600
RIVER PINES PUD Open violation — pop. 574
BEAR RIVER LAKE RESORT No violations on file — pop. 571
HELWIG WINERY No violations on file — pop. 500
SILVER LAKE CAMPGROUND No violations on file — pop. 500
CAMANCHE HILLS HUNTING PRESERVE, INC. No violations on file — pop. 400
KAY'S RESORT No violations on file — pop. 400
AMADOR CHRISTIAN CENTER Older violation on record — pop. 400
BEAR VALLEY MUTUAL WATER COMPA No violations on file — pop. 350
PINE ACRES RESORT No violations on file — pop. 300
Bubbles No violations on file — pop. 300
ORO MADRE MOOSE LODGE 1761 No violations on file — pop. 300
CAMP WINTON No violations on file — pop. 300
HOPE FOUNDATION/MORIAH HEIGHTS No violations on file — pop. 299
RAY BOYER No violations on file — pop. 290
RABB PARK COMMUNITY SER. DIST. No violations on file — pop. 268
PARDEE RECREATION AREA No violations on file — pop. 251
CAMP RITCHIE No violations on file — pop. 250
FIRST MACE MEADOWS UNIT NO. 2 No violations on file — pop. 230
DRYTOWN COUNTY WATER DISTRICT No violations on file — pop. 221
PINE ACRES RESORT No violations on file — pop. 200
BEAR RIVER CAMP--SOUTH SHORE No violations on file — pop. 200
AWA LA MEL HEIGHTS #3 No violations on file — pop. 188
BERNIE JAMES, RANGER No violations on file — pop. 175
BLACK'S STATION No violations on file — pop. 157
CAMP MINKALO SILVER LAKE No violations on file — pop. 150
MP ASSOCIATES, INC. No violations on file — pop. 150
BEAR RIVER SUMMER HOME TRACT No violations on file — pop. 126
GRACE FELLOWSHIP CHURCH No violations on file — pop. 125
BEAR RIVER GROUP CAMPGROUND No violations on file — pop. 125
JOHN PESELK No violations on file — pop. 117
BLACK CHASM CAVERN No violations on file — pop. 115
MT BULLION YOUTH CONSERVATION No violations on file — pop. 104
VOLCANO COMMUNITY SERVICE DIST No violations on file — pop. 103
INSPIRATION LODGE No violations on file — pop. 100
Amador Water Agency-Lake Camanche WWTP-C No violations on file — pop. 100
VILLA TOSCANO WINERY No violations on file — pop. 100
FIDDLETOWN COMMUNITY SERVICE No violations on file — pop. 100
KIT CARSON LODGE No violations on file — pop. 100
STOCKTON SILVER LAKE FAMILY CAMP No violations on file — pop. 100
PINE GROVE YOUTH CONSERVATION No violations on file — pop. 95
PINE GROVE No violations on file — pop. 95
JEFF RUNQUIST WINERY No violations on file — pop. 95
AMADOR HARVEST INN No violations on file — pop. 87
LUMBERYARD RANGER STATION No violations on file — pop. 80
BELLA PIAZZA WINERY No violations on file — pop. 71
BERNIE JAMES, RANGER No violations on file — pop. 70
SO. SILVER LAKE HOMEOWNERS No violations on file — pop. 67
RIDGEWAY PINE MUTUAL WATER COM No violations on file — pop. 65
KIRKWOOD CAMPGROUND No violations on file — pop. 65
INDIAN GRINDING ROCK-CALAVERAS DISTRICT No violations on file — pop. 63
FOREST POINT MHC No violations on file — pop. 62
BERNIE JAMES, RANGER No violations on file — pop. 60
E. SILVER LAKE HOMEOWNERS No violations on file — pop. 54
TIGER CREEK POWER HOUSE No violations on file — pop. 50
BLOOD GULCH No violations on file — pop. 50
TURLEY WINE CELLARS No violations on file — pop. 50
BELLEDOR VINEYARDS No violations on file — pop. 50 — serves PLYMOUTH
RANCH HOUSE ESTATES UNIT NO 1 No violations on file — pop. 45
GOLDEN VALLEY CAMP No violations on file — pop. 45
ROMBAUER SIERRA FOOTHILLS No violations on file — pop. 44
RANCHO DEL ORO MHP Older violation on record — pop. 44
L'AZIENDA D'AGOSTINI No violations on file — pop. 42
IONE BAND OF MIWOK INDIANS No violations on file — pop. 40
SUTTER PINES MHP No violations on file — pop. 40
COOK'S STATION No violations on file — pop. 38
ANDIS WINES No violations on file — pop. 32
AWA - TIGER CREEK POWERHOUSE No violations on file — pop. 32
AMADOR FLOWER FARM No violations on file — pop. 31
PINE GROVE GROUP No violations on file — pop. 30
HAM'S STATION No violations on file — pop. 28
PLASSE HOMESTEAD WATER ASSOCIATION No violations on file — pop. 28
BELLA GRACE VINEYARDS No violations on file — pop. 27 — serves PLYMOUTH
GIBSON'S ROADHOUSE CAFE No violations on file — pop. 27
SLO 2 20 WINERY No violations on file — pop. 27
BORJON WINERY No violations on file — pop. 26
IRON HUB WINERY No violations on file — pop. 26
STANISLAUS MEADOWS No violations on file — pop. 25
MILLIGAN SCHOOL No violations on file — pop. 25
ELECTRA POWER HOUSE & CAMP No violations on file — pop. 25
THE POINT MOTEL No violations on file — pop. 25
WEDGEWOOD INN No violations on file — pop. 25
GOLD COUNTRY MOBILE HOME PARK No violations on file — pop. 25
NINE GABLES No violations on file — pop. 25
DRIVEN CELLARS No violations on file — pop. 25
SERA FINA CELLARS No violations on file — pop. 25
LA MESA VINEYARDS No violations on file — pop. 25
SCHMITZ WINES No violations on file — pop. 25
ROARING CAMP No violations on file — pop. 25
SUNSET WEST MUTUAL WATER COMPANY Open violation — pop. 25
OK CORRAL No violations on file — pop. 25
MALLO GOLD MINE PLAZA No violations on file — pop. 25
RANCHO VICTORIA TASTING ROOM No violations on file — pop. 25
PAUL J. WINES No violations on file — pop. 25
C. G. DI ARIE VINEYARD AND WINERY No violations on file — pop. 25
SIERRA SUNRISE DBA TERRA D'ORO/MONTEVINA No violations on file — pop. 24
RABB PARK COMMUNITY SERVICES D No violations on file — pop. 15
PRESTON YOUTH CORRECTIONAL FACILITY Older violation on record — pop. 10
RANCHO CICADA No violations on file — pop. 8
No violations on file — pop. 1
SUNSET HEIGHTS C.S.D. No violations on file — pop. 0
AMAODR CO. SERVICE AREA # 1 Older violation on record — pop. 0
AWA, PINE ACRES #4 No violations on file — pop. 0
AWA, PIONEER I.D. #1 No violations on file — pop. 0
AWA, RANCH HOUSE ESTATES I.D. #2 No violations on file — pop. 0
AMADOR COUNTY SERVICE AREA #2 No violations on file — pop. 0
RIDGEWAY PINE MUTUAL WATER CO. No violations on file — pop. 0

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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?

Amador County, CA Water Quality Report

Violations on file

Contaminants found

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Individual water providers