Federal Way, Washington Water Quality Report
Water quality data for 1 water system serving 118,273 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.006 | 0.010 ug/L | 0.001 ug/L(EWG) | 58% | Within limit |
| PFOS | 0.004 | 0.004 ug/L | 0.300 ug/L(EWG) | 103% | Above limit |
| PFPeA | 0.014 | 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 (1)
Violation
Unknown
Resolved Violations (77)
71
Jul 1, 2022
03
Oct 1, 2010 — Dec 31, 2010
03
Oct 1, 2007 — Dec 31, 2007
03
Oct 1, 2007 — Dec 31, 2007
03
Oct 1, 2007 — Dec 31, 2007
+ 72 more resolved violations
Frequently Asked Questions
Is Federal Way tap water safe to drink?
Federal Way's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Federal Way tap water?
6 contaminants have been detected in Federal Way's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Federal Way?
Install a water filter rated for the specific contaminants found in Federal Way's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Federal Way have any water quality violations?
Yes, Federal Way currently has 1 active violation. See the violations section above for details.