Olathe, Kansas Water Quality Report
Water quality data for 1 water system serving 143,014 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 20.7 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 207% | Above guideline |
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Compliance & Violations
Active Violations (5)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (53)
27
Mar 1, 2025 — Mar 31, 2025
27
Mar 1, 2025 — Mar 31, 2025
75
May 13, 2022
75
May 13, 2022
27
Jan 1, 2021 — Mar 31, 2021
+ 48 more resolved violations
Frequently Asked Questions
Is Olathe tap water safe to drink?
Olathe'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 Olathe tap water?
1 contaminants have been detected in Olathe's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Olathe?
Install a water filter rated for the specific contaminants found in Olathe's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Olathe have any water quality violations?
Yes, Olathe currently has 5 active violations. See the violations section above for details.