Rainier, Washington Water Quality Report
Water quality data for 1 water system serving 2,758 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
71
Jul 1, 2025
Resolved Violations (89)
71
Jul 1, 2017
71
Jul 1, 2015
03
Jan 1, 2002 — Dec 31, 2004
03
Jan 1, 2002 — Dec 31, 2004
03
Jan 1, 2002 — Dec 31, 2004
+ 84 more resolved violations
Frequently Asked Questions
Is Rainier tap water safe to drink?
Rainier'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 Rainier tap water?
0 contaminants have been detected in Rainier's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Rainier?
Install a water filter rated for the specific contaminants found in Rainier's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Rainier have any water quality violations?
Yes, Rainier currently has 1 active violation. See the violations section above for details.