Healdsburg Water Quality

Latest water quality information for Healdsburg, California

Last update on March 2025

Very bad

Unsafe water with serious health risks.

Exceeds 1 EPA limits and 8 recommended standards.

Water Provider

healdsburg, city of

Owner Type

L (Local Government)

Population Served

11,174

Data Sources

2008-2024

Contaminants exceeding EPA limits

What it means: This refers to substances in the water that are found at levels higher than what the EPA allows. The EPA (Environmental Protection Agency) is a U.S. government agency that sets legal limits for harmful contaminants to protect public health. Exceeding these limits means the water may pose health risks based on federal safety standards.

Ethylene Dibromide

0.1000 ppb

2.0x

EPA limits: 0.0500 ppb

Above EPA regulatory threshold

Potential Health Effects

Cancer

Contaminants exceeding recommended standards

What it means: This refers to substances in the water that are above health-based guidelines set by organizations such as the World Health Organization (WHO) and the U.S. Environmental Protection Agency (EPA). These standards, while not always legally enforceable, are based on scientific research to protect health. Exceeding them may indicate potential health concerns.

Boron

255.90 ppm

511.8x

Recommended: 0.5000 ppm

Above health-based recommendations

Potential Health Effects

Reproductive issues

Bromodichloromethane

5.10 ppb

85.0x

Recommended: 0.0600 ppb

Above health-based recommendations

Potential Health Effects

Cancer

Bromoform

0.9000 ppb

1.8x

Recommended: 0.5000 ppb

Above health-based recommendations

Potential Health Effects

Cancer

Chloroform

9.10 ppb

22.7x

Recommended: 0.4000 ppb

Above health-based recommendations

Potential Health Effects

Cancer

Dibromochloromethane

3.20 ppb

32.0x

Recommended: 0.1000 ppb

Above health-based recommendations

Potential Health Effects

Cancer

Sodium

21.50 ppm

1.1x

Recommended: 20 ppm

Above health-based recommendations

Potential Health Effects

Hypertension

Total Thms

17 ppb

113.3x

Recommended: 0.1500 ppb

Above health-based recommendations

Potential Health Effects

Cancer

Other Detected Contaminants

Contaminant	Detected Level	EPA Limit	Recommended	Status
Aluminum	18.70 ppb	200 ppb	600 ppb	Within limits
Calcium	16.70 ppm	Not established	80 ppm	Within limits
Chloride	9.70 ppm	250 ppm	250 ppm	Within limits
Color	15 CU	15 CU	15 CU	Within limits
Conductivity	288.20 µS/cm	Not established	800 µS/cm	Within limits
Copper	79.90 ppb	1300 ppb	300 ppb	Within limits
Fluoride	781.10 ppb	4000 ppb	2000 ppb	Within limits
Iron	285.20 ppb	300 ppb	300 ppb	Within limits
Magnesium	13.30 ppm	Not established	30 ppm	Within limits
Manganese	2.90 ppb	50 ppb	50 ppb	Within limits
Molybdenum	0.2000 ppb	Not established	40 ppb	Within limits
Nickel	16.30 ppb	Not established	70 ppb	Within limits
Ph Level	7.70 pH units	8.50 pH units	8.50 pH units	Within limits
Potassium	724.50 ppb	Not established	5000 ppb	Within limits
Silica	24.40 ppm	Not established	25 ppm	Within limits
Strontium	158.90 ppb	Not established	1500 ppb	Within limits
Sulfate	16.30 ppm	250 ppm	250 ppm	Within limits
Total Dissolved Solids	180.70 ppm	500 ppm	500 ppm	Within limits
Zinc	337.80 ppb	5000 ppb	5000 ppb	Within limits
No additional contaminants detected.

How to best protect from water pollution?

Reduce your water pollution exposure in California

Carbon Filter

Carbon filters are effective at removing many common contaminants including chlorine, sediment, volatile organic compounds (VOCs), and improves taste and odor.

Reverse Osmosis

Reverse osmosis systems can remove up to 99% of dissolved contaminants from water including heavy metals, fluoride, nitrates, and arsenic.