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.
Other systems listed for West Richland with results above guidelines: Community Sewer and Water District (2 above guidelines)
People Served
17,410
Health-based violations since 2020
0
WEST RICHLAND CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Aug 2025 ยท WEST RICHLAND CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is West Richland Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. West Richland's water has 3 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
WEST RICHLAND CITY OF, West Richland's water system, serves 17,410 people. 1 other system is listed for West Richland. Each system's results are listed under its own name, never added to WEST RICHLAND CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for WEST RICHLAND CITY OF is from Aug 2025.
In EPA's 2023โ2026 UCMR 5 testing, WEST RICHLAND CITY OF measured lithium at up to 31.9 ยตg/L, which EPA counts as above its health reference level of 10 ยตg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Washington
West Richland Water Service Areas

What these numbers actually mean for West Richland, WA
We read West Richland, WAโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs and 1 contaminant with an EPA health goal detected in some samples (no level on file)
- 182 results on file
- 23 PFAS compounds on record
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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.

AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)

AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium

Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:

Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Highlights:
- High water production rate
- Modern design
- No tank needed
- NSF-42, NSF-53, NSF-58, NSF-372 certified
Removes 15 contaminants:
+10 more
Chlorine, Copper, Manganese, Potassium, Selenium, Total Dissolved Solids, Nitrate, Chloride, Sodium, Strontium
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 1 contaminant with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What West Richland's water readings can explain
Utility-reported data for West Richland includes manganese and a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for West Richland, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near West Richland? Public-water results do not apply to private wells. See Benton County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in West Richland
West Richland's tap water measures 1.9 grains per gallon (33.1 mg/L) โ soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 1.9 gpg water in West Richland โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Washington as a whole, read water softener cost in Washington โ priced against the plumber wage published for the state.
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.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach WEST RICHLAND CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact WEST RICHLAND CITY OF directly.
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