Olympia, Washington Water Quality Report
Water quality data for 25 water systems serving 125,633 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.005 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.004 | 0.004 ug/L | 0.090 ug/L(EWG) | 108% | Above limit |
| PFOS | 0.006 | 0.004 ug/L | 0.300 ug/L(EWG) | 145% | Above limit |
| PFPeA | 0.003 | 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
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Compliance & Violations
Active Violations (2)
51
Jan 1, 2025
51
Jan 1, 2024
Resolved Violations (498)
27
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 493 more resolved violations
Frequently Asked Questions
Is Olympia tap water safe to drink?
Olympia'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 Olympia tap water?
5 contaminants have been detected in Olympia's water supply across 25 water systems. See the full contaminant table above for details.
How can I improve my water quality in Olympia?
Install a water filter rated for the specific contaminants found in Olympia's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Olympia have any water quality violations?
Yes, Olympia currently has 30 active violations. See the violations section above for details.