Nichols Hills, Oklahoma Water Quality Report
Water quality data for 1 water system serving 4,020 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 16.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 160% | Above guideline |
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Compliance & Violations
Active Violations (16)
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Resolved Violations (263)
27
Jan 1, 2025 — Dec 31, 2025
27
Jan 1, 2025 — Dec 31, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
+ 258 more resolved violations
Frequently Asked Questions
Is Nichols Hills tap water safe to drink?
Nichols Hills'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 Nichols Hills tap water?
1 contaminants have been detected in Nichols Hills's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Nichols Hills?
Install a water filter rated for the specific contaminants found in Nichols Hills's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Nichols Hills have any water quality violations?
Yes, Nichols Hills currently has 16 active violations. See the violations section above for details.