West Richland Tap Water Quality Report
West Richland's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Utility
WEST RICHLAND CITY
People Served
17,410
MCL Violations
0
Last Updated
Is West Richland Tap Water Safe to Drink?
West Richland's water has 3 contaminants above EPA health-based guidelines (MCLGs). While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
The data below shows test results from WEST RICHLAND CITY OF, which serves 17,410 people in the West Richland area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-08-02.
West Richland Water Quality Test Results
Key Water Quality Metrics
Contaminants Detected
⚠️ Contaminants Above EPA MCLG (3)
Bromoform
What is Bromoform?
Member of trihalomethanes (THMs) that form in water treated with chlorine
Health Effects
Health protective benchmarks for bromoform are based on liver, developmental, and carcinogenicity observed in animal studies. Results from animal studies also suggest that exposure to bromoform can also lead to liver, kidney, and developmental toxicity. Bromoform has also been shown to produce DNA changes (genotoxicity) in laboratory studies.
Affected Organs
Common Sources
Arsenic
What is Arsenic?
Naturally occurring element that has both inorganic and organic forms
Health Effects
The EPA drinking water standards for arsenic are based on adverse effects to the cardiovascular, pulmonary and liver systems in drinking water with inorganic arsenic, as well as an increased risk of cancer. Long term health effects of total arsenic in drinking water include bladder, GI tract, kidney, liver, lung, pancreas and skin cancer, cardiovascular effects, pulmonary and gastrointestinal effects, ocular, immunological, neurological and reproductive effects. Arsenic found in epidemiological studies include developmental effects, socioeconomic and genotoxicity.
Affected Organs
Common Sources
Bromodichloromethane
What is Bromodichloromethane?
Member of trihalomethanes (THMs) that form in water treated with chlorine
Health Effects
Health protective benchmarks for BDCM are based on carcinogenicity and liver toxicity observed in animal studies. The EPA has classified BDCM as a probable human carcinogen. Results from animal studies also suggest that kidney, immune system, spleen, and developmental toxicity are associated with exposure to BDCM. BDCM has been shown to produce DNA changes (genotoxicity) in laboratory studies.
Affected Organs
Common Sources
Understanding the Data
This data comes from your local water utility testing. The bar charts compare detected levels against EPA's Maximum Contaminant Level Goal (MCLG). Contaminants above the MCLG are shown by default and may require filtration. All other tested contaminants are within safe levels and can be viewed by expanding the section above.
Recommended Water Filters for West Richland
Based on West Richland's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Removes 15 contaminants:
Arsenic, Barium, Cadmium, Chromium (Total), Chromium (VI) +10 more
Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Removes 15 contaminants:
Arsenic, Barium, Cadmium, Chromium (Total), Chromium (VI) +10 more
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more
Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
1,2 Dichlorobenzene, 1,2,4 Trichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos +17 more
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.
Tap Score
Advanced Microplastics Test
$636
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Frequently Asked Questions About West Richland Tap Water
West Richland's water has 3 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.