MyCleanWater

Olympia, Washington Water Quality Report

Water quality data for 25 water systems serving 125,633 people.

50
Fair
out of 100

Water Source

25
Water Systems
126K
People Served
Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
PFBS0.005 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline
PFHxA0.004 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFOA0.004 0.004 ug/L0.090 ug/L(EWG)
108%
Above limit
PFOS0.006 0.004 ug/L0.300 ug/L(EWG)
145%
Above limit
PFPeA0.003 No federal limit1000.0 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

moderate

51

Jan 1, 2024

moderate

Resolved Violations (498)

27

Jul 1, 2025 — Jul 31, 2025

moderate

3A

Jul 1, 2025 — Jul 31, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

+ 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.