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Holtville Water Quality

Latest water quality information for Holtville, California

Last update on March 2025

Very bad

Unsafe water with serious health risks.

Exceeds 1 EPA limits and 11 recommended standards.

Water Provider
holtville, city of
Owner Type
L (Local Government)
Population Served
6,355
Data Sources
2013-2022

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.

Turbidity

2.20 NTU
2.2x
EPA limits: 1 NTU
Above EPA regulatory threshold

Potential Health Effects

Infection risk

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.

Atrazine

0.2000 ppb
2.0x
Recommended: 0.1000 ppb
Above health-based recommendations

Potential Health Effects

Endocrine disruption

Bromodichloromethane

15.40 ppb
256.7x
Recommended: 0.0600 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Bromoform

2.50 ppb
5.0x
Recommended: 0.5000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Chloroform

20.70 ppb
51.7x
Recommended: 0.4000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Dibromochloromethane

12.30 ppb
123.0x
Recommended: 0.1000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Hexachlorobenzene

0.1000 ppb
3.3x
Recommended: 0.0300 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Lindane

0.1000 ppb
3.1x
Recommended: 0.0320 ppb
Above health-based recommendations

Potential Health Effects

Neurotoxicity, cancer

Polychlorinated Biphenyls

0.2000 ppb
2.2x
Recommended: 0.0900 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Sodium

32.60 ppm
1.6x
Recommended: 20 ppm
Above health-based recommendations

Potential Health Effects

Hypertension

Total Thms

51.70 ppb
344.7x
Recommended: 0.1500 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Other Detected Contaminants

Contaminant Detected Level EPA Limit Recommended Status
Alachlor 0.5000 ppb 2 ppb 2 ppb Within limits
Color 2.20 CU 15 CU 15 CU Within limits
Dalapon 5.30 ppb 200 ppb 200 ppb Within limits
Dinoseb 0.8000 ppb 7 ppb 7 ppb Within limits
Fluoride 188.60 ppb 4000 ppb 2000 ppb Within limits
Hexachlorocyclopentadiene 0.4000 ppb 50 ppb 2 ppb Within limits
Magnesium 6.50 ppm Not established 30 ppm Within limits
Odor 1.30 TON 3 TON 3 TON Within limits
Pentachlorophenol 0.1000 ppb 1 ppb 0.3000 ppb Within limits
Ph Level 2.40 pH units 8.50 pH units 8.50 pH units Within limits
Picloram 0.5000 ppb 500 ppb 166 ppb Within limits
Silvex 0.3000 ppb 50 ppb 50 ppb Within limits
Total Dissolved Solids 170.40 ppm 500 ppm 500 ppm Within limits
Trichlorofluoromethane 3.20 ppb Not established 1300 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.