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Porterville Water Quality

Latest water quality information for Porterville, California

Last update on March 2025

Poor

Not legally unsafe but concerning.

Exceeds 0 EPA limits and 11 recommended standards.

Water Provider
porterville, city of
Owner Type
L (Local Government)
Population Served
62,988
Data Sources
2013-2024

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.

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

1.20 ppb
300.0x
Recommended: 0.004000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Boron

148.70 ppm
297.4x
Recommended: 0.5000 ppm
Above health-based recommendations

Potential Health Effects

Reproductive issues

Bromodichloromethane

0.6000 ppb
10.0x
Recommended: 0.0600 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Bromoform

0.8000 ppb
1.6x
Recommended: 0.5000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Chloroform

0.5000 ppb
1.2x
Recommended: 0.4000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Dibromochloromethane

0.8000 ppb
8.0x
Recommended: 0.1000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Lead

3.40 ppb
17.0x
Recommended: 0.2000 ppb
Above health-based recommendations

Potential Health Effects

Neurotoxicity

Lead Level

3.40 ppb
17.0x
Recommended: 0.2000 ppb
Above health-based recommendations

Potential Health Effects

Neurotoxicity

Sodium

24.90 ppm
1.2x
Recommended: 20 ppm
Above health-based recommendations

Potential Health Effects

Hypertension

Total Thms

2 ppb
13.3x
Recommended: 0.1500 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Uranium

10.60 ppb
24.7x
Recommended: 0.4300 ppb
Above health-based recommendations

Potential Health Effects

Cancer, kidney damage

Other Detected Contaminants

Contaminant Detected Level EPA Limit Recommended Status
Barium 135.60 ppb 2000 ppb 2000 ppb Within limits
Calcium 45.20 ppm Not established 80 ppm Within limits
Chloride 13.30 ppm 250 ppm 250 ppm Within limits
Fluoride 234.70 ppb 4000 ppb 2000 ppb Within limits
Gross Alpha Activity 5.20 pCi/L 15 pCi/L 15 pCi/L Within limits
Magnesium 8.20 ppm Not established 30 ppm Within limits
Molybdenum 1.50 ppb Not established 40 ppb Within limits
Ph Level 7.20 pH units 8.50 pH units 8.50 pH units Within limits
Potassium 1.90 ppb Not established 5000 ppb Within limits
Strontium 252.80 ppb Not established 1500 ppb Within limits
Sulfate 11.90 ppm 250 ppm 250 ppm Within limits
Total Dissolved Solids 257.20 ppm 500 ppm 500 ppm Within limits
Vanadium 5.60 ppb 21 ppb 21 ppb Within limits
Zinc 25.10 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.

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