Pasco, Washington Water Quality Report
Water quality data for 23 water systems serving 120,332 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Resolved Violations (500)
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
+ 495 more resolved violations
Frequently Asked Questions
Is Pasco tap water safe to drink?
Pasco's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Pasco tap water?
0 contaminants have been detected in Pasco's water supply across 23 water systems. See the full contaminant table above for details.
How can I improve my water quality in Pasco?
Install a water filter rated for the specific contaminants found in Pasco's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Pasco have any water quality violations?
Yes, Pasco currently has 31 active violations. See the violations section above for details.