Wapato, Washington Water Quality Report
Water quality data for 5 water systems serving 6,446 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 9.6 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 96% | Near guideline |
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Compliance & Violations
Active Violations (2)
4B
Sep 1, 2025
4B
Sep 1, 2025
Resolved Violations (498)
27
Sep 1, 2025 — Sep 30, 2025
27
Sep 1, 2025 — Sep 30, 2025
3A
Apr 1, 2025 — Apr 30, 2025
71
Jul 1, 2024
27
Jan 1, 2024 — Dec 31, 2024
+ 493 more resolved violations
Frequently Asked Questions
Is Wapato tap water safe to drink?
Wapato's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Wapato tap water?
1 contaminants have been detected in Wapato's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Wapato?
Install a water filter rated for the specific contaminants found in Wapato's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Wapato have any water quality violations?
Yes, Wapato currently has 8 active violations. See the violations section above for details.