Spokane Valley, Washington Water Quality Report
Water quality data for 5 water systems serving 33,957 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 138% | Above limit |
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)
Violation
Unknown
Violation
Unknown
Resolved Violations (155)
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
71
Jul 1, 2024
71
Jul 1, 2023
+ 150 more resolved violations
Frequently Asked Questions
Is Spokane Valley tap water safe to drink?
Spokane Valley'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 Spokane Valley tap water?
1 contaminants have been detected in Spokane Valley's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Spokane Valley?
Install a water filter rated for the specific contaminants found in Spokane Valley's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Spokane Valley have any water quality violations?
Yes, Spokane Valley currently has 2 active violations. See the violations section above for details.