HEALDSBURG is served by 5 water providers on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for HEALDSBURG, CA
5 water providers on file serving this city.
Quick answer: HEALDSBURG's water has no violations on file and no single reading stands out against its peers (5 other providers in this area). It serves roughly 10,985 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Copper Summary
Pfdoa
PFHXS
PFBS
Aggressive Index
Magnesium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Nitrate
Fluoride
Turbidity
Gross Alpha Particle Activity
pH
Boron, Total
Chromium, Hex
Barium
Conductivity (at 25°C)
Color
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Copper Summary
Detected: 2.12 mg/L (ppm)
07/31/1992
Chromium, Hex
Detected: 0.41 UG/L (ppb)
8/19/2025
Barium
Detected: 120 UG/L (ppb)
8/12/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 6.3 UG/L (ppb)
8/12/2025
TTHM
Detected: 14.14 UG/L (ppb)
8/12/2025
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: 7.23 UG/L (ppb)
8/12/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 1.06 UG/L (ppb)
8/12/2025
Bromodichloromethane
Detected: 4.39 UG/L (ppb)
8/12/2025
Dibromochloromethane
Detected: 2.52 UG/L (ppb)
8/12/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 8 MG/L (ppm)
8/12/2025
Sulfate
Detected: 14 MG/L (ppm)
8/12/2025
Nitrate
Detected: 2.6 MG/L (ppm)
6/24/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Fluoride
Detected: 0.12 MG/L (ppm)
8/12/2025
Often added deliberately for dental health; can also occur naturally.
Boron, Total
Detected: 270 UG/L (ppb)
8/12/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 25 MG/L (ppm)
8/12/2025
Sodium
Detected: 11 MG/L (ppm)
8/12/2025
Calcium
Detected: 24 MG/L (ppm)
8/12/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 163 MG/L (ppm)
8/12/2025
Gross Alpha Particle Activity
Detected: 2.3 PCI/L
3/25/2025
pH
Detected: 7.09 PH
8/12/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Pfdoa
Detected: 0.0031 µg/L (ppb)
5/21/2024
PFHXS
Detected: 0.0043 µg/L (ppb)
5/20/2025
PFBS
Detected: 0.0052 µg/L (ppb)
5/20/2025
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 160 MG/L (ppm)
8/12/2025
Other
Additional substances tested that don't fit neatly into the categories above
Aggressive Index
Detected: 11.07 AGGR
8/12/2025
Alkalinity, Total
Detected: 160 MG/L (ppm)
8/12/2025
TDS
Detected: 180 MG/L (ppm)
8/12/2025
Turbidity
Detected: 0.2 NTU
8/12/2025
A measure of water cloudiness from suspended particles.
Conductivity (at 25°C)
Detected: 320 UMHO/CM
8/12/2025
Color
Detected: 5 UNITS
8/12/2025
Dichloroaceticacid
Detected: 3.4 UG/L (ppb)
8/12/2025
Trichloroaceticacid
Detected: 1.7 UG/L (ppb)
8/12/2025
Dibromoaceticacid
Detected: 1.2 UG/L (ppb)
8/12/2025
Filtration considerations: General system types, not a specific product recommendation.