Williams Water Quality
Latest water quality information for Williams, California
Last update on March 2025
Unsafe water with serious health risks.
Exceeds 1 EPA limits and 7 recommended standards.
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.
Total Dissolved Solids
859 ppmPotential Health Effects
Gastrointestinal issues
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.
Bromodichloromethane
0.6000 ppbPotential Health Effects
Cancer
Chloroform
0.5000 ppbPotential Health Effects
Cancer
Lead
1.60 ppbPotential Health Effects
Neurotoxicity
Lead Level
1.60 ppbPotential Health Effects
Neurotoxicity
Total Thms
0.8000 ppbPotential Health Effects
Cancer
Uranium
5.30 ppbPotential Health Effects
Cancer, kidney damage
Other Detected Contaminants
| Contaminant | Detected Level | EPA Limit | Recommended | Status |
|---|---|---|---|---|
| Chloride | 150 ppm | 250 ppm | 250 ppm | Within limits |
| Fluoride | 370 ppb | 4000 ppb | 2000 ppb | Within limits |
| Gross Alpha Activity | 3.50 pCi/L | 15 pCi/L | 15 pCi/L | Within limits |
| Iron | 274.50 ppb | 300 ppb | 300 ppb | Within limits |
| Manganese | 8.20 ppb | 50 ppb | 50 ppb | Within limits |
| Sulfate | 170 ppm | 250 ppm | 250 ppm | Within limits |
| No additional contaminants detected. | ||||
How to best protect from water pollution?
Reduce your water pollution exposure in California
Carbon Filter
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