Cottonwood Water Quality
Latest water quality information for Cottonwood, California
Last update on March 2025
Acceptable water with improvement potential.
Exceeds 0 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.
Good news! No contaminants were found to exceed EPA limits.
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.
Arsenic
5 ppbPotential Health Effects
Cancer
Lead
2.50 ppbPotential Health Effects
Neurotoxicity
Lead Level
2.50 ppbPotential Health Effects
Neurotoxicity
Sodium
31.50 ppmPotential Health Effects
Hypertension
Tetrachloroethylene
1.20 ppbPotential Health Effects
Cancer, organ damage
Total Thms
0.3000 ppbPotential Health Effects
Cancer
Uranium
28.30 ppbPotential Health Effects
Cancer, kidney damage
Other Detected Contaminants
| Contaminant | Detected Level | EPA Limit | Recommended | Status |
|---|---|---|---|---|
| Barium | 116.50 ppb | 2000 ppb | 2000 ppb | Within limits |
| Calcium | 47 ppm | Not established | 80 ppm | Within limits |
| Chloride | 32.50 ppm | 250 ppm | 250 ppm | Within limits |
| Color | 3 CU | 15 CU | 15 CU | Within limits |
| Gross Alpha Activity | 7 pCi/L | 15 pCi/L | 15 pCi/L | Within limits |
| Magnesium | 6.50 ppm | Not established | 30 ppm | Within limits |
| Ph Level | 7.90 pH units | 8.50 pH units | 8.50 pH units | Within limits |
| Potassium | 3 ppb | Not established | 5000 ppb | Within limits |
| Sulfate | 33.50 ppm | 250 ppm | 250 ppm | Within limits |
| Total Dissolved Solids | 245 ppm | 500 ppm | 500 ppm | Within limits |
| No additional contaminants detected. | ||||
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