92843 ZIP Water Quality

Latest water quality information for ZIP Code 92843, California

Last update on March 2025

Very bad

Unsafe water with serious health risks.

Exceeds 1 EPA limits and 11 recommended standards.

Water Provider
city of garden grove
Owner Type
L (Local Government)
Population Served
174,226
Data Sources
2017-2024

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.

Iron

393.40 ppb
1.3x
EPA limits: 300 ppb
Above EPA regulatory threshold

Potential Health Effects

Aesthetic concern

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

1.40 ppb
350.0x
Recommended: 0.004000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Boron

97.50 ppm
195.0x
Recommended: 0.5000 ppm
Above health-based recommendations

Potential Health Effects

Reproductive issues

Bromodichloromethane

1.10 ppb
18.3x
Recommended: 0.0600 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Bromoform

1.70 ppb
3.4x
Recommended: 0.5000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Calcium

86.60 ppm
1.1x
Recommended: 80 ppm
Above health-based recommendations

Potential Health Effects

None

Chloroform

0.8000 ppb
2.0x
Recommended: 0.4000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Dibromochloromethane

1.60 ppb
16.0x
Recommended: 0.1000 ppb
Above health-based recommendations

Potential Health Effects

Cancer

Sodium

48.20 ppm
2.4x
Recommended: 20 ppm
Above health-based recommendations

Potential Health Effects

Hypertension

Total Thms

3 ppb
20.0x
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
Chloride 33.10 ppm 250 ppm 250 ppm Within limits
Cobalt 1.60 ppb Not established 70 ppb Within limits
Fluoride 480.60 ppb 4000 ppb 2000 ppb Within limits
Magnesium 17.50 ppm Not established 30 ppm Within limits
Manganese 3 ppb 50 ppb 50 ppb Within limits
Molybdenum 3.60 ppb Not established 40 ppb Within limits
Ph Level 7.70 pH units 8.50 pH units 8.50 pH units Within limits
Potassium 4.10 ppb Not established 5000 ppb Within limits
Strontium 637.60 ppb Not established 1500 ppb Within limits
Sulfate 36.40 ppm 250 ppm 250 ppm Within limits
Total Dissolved Solids 210 ppm 500 ppm 500 ppm Within limits
Trichlorofluoromethane 3.30 ppb Not established 1300 ppb Within limits
Zinc 234 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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