Coulee Dam, Washington Water Quality Report
Water quality data for 1 water system serving 1,359 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Resolved Violations (7)
71
Jul 1, 2015
71
Oct 19, 1999 — Dec 31, 1999
71
Oct 19, 1999 — Dec 31, 1999
42
Jan 1, 1992 — Dec 31, 2001
42
Jan 1, 1992 — Dec 31, 2001
+ 2 more resolved violations
Frequently Asked Questions
Is Coulee Dam tap water safe to drink?
Coulee Dam'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 Coulee Dam tap water?
0 contaminants have been detected in Coulee Dam's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Coulee Dam?
Install a water filter rated for the specific contaminants found in Coulee Dam's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.