Knoxville, Iowa Water Quality Report
Water quality data for 7 water systems serving 15,173 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 150.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 1500% | Above guideline |
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Compliance & Violations
Active Violations (19)
75
Jan 21, 2025
75
Jan 21, 2025
75
Jan 21, 2025
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (24)
03
Oct 1, 2023 — Sep 30, 2024
03
Oct 1, 2023 — Sep 30, 2024
03
Oct 1, 2023 — Sep 30, 2024
3A
Oct 1, 2019 — Oct 31, 2019
3A
Oct 1, 2019 — Oct 31, 2019
+ 19 more resolved violations
Frequently Asked Questions
Is Knoxville tap water safe to drink?
Knoxville'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 Knoxville tap water?
1 contaminants have been detected in Knoxville's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Knoxville?
Install a water filter rated for the specific contaminants found in Knoxville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Knoxville have any water quality violations?
Yes, Knoxville currently has 19 active violations. See the violations section above for details.