Richland, Washington Water Quality Report
Water quality data for 3 water systems serving 106,393 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.009 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.012 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.005 | 0.010 ug/L | 0.001 ug/L(EWG) | 54% | Within limit |
| PFOA | 0.010 | 0.004 ug/L | 0.090 ug/L(EWG) | 253% | Above limit |
| PFOS | 0.017 | 0.004 ug/L | 0.300 ug/L(EWG) | 425% | Above limit |
| PFPeA | 0.015 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Richland, Washington.
Get Water Quality Alerts
Be the first to know when water quality changes in Richland.
Compliance & Violations
Active Violations (1)
Violation
Unknown
Resolved Violations (228)
27
Mar 1, 2025 — Mar 31, 2025
27
Mar 1, 2025 — Mar 31, 2025
27
Jan 1, 2025 — Jan 31, 2025
27
Jan 1, 2025 — Jan 31, 2025
27
Nov 1, 2024 — Nov 30, 2024
+ 223 more resolved violations
Frequently Asked Questions
Is Richland tap water safe to drink?
Richland's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Richland tap water?
8 contaminants have been detected in Richland's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Richland?
Install a water filter rated for the specific contaminants found in Richland's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Richland have any water quality violations?
Yes, Richland currently has 1 active violation. See the violations section above for details.