Yakima, Washington Water Quality Report
Water quality data for 88 water systems serving 173,902 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 40.2 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 402% | Above guideline |
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Compliance & Violations
Active Violations (1)
52
Jan 1, 2022
Resolved Violations (999)
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
+ 994 more resolved violations
Frequently Asked Questions
Is Yakima tap water safe to drink?
Yakima'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 Yakima tap water?
1 contaminants have been detected in Yakima's water supply across 88 water systems. See the full contaminant table above for details.
How can I improve my water quality in Yakima?
Install a water filter rated for the specific contaminants found in Yakima's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Yakima have any water quality violations?
Yes, Yakima currently has 149 active violations. See the violations section above for details.