Denison, Iowa Water Quality Report
Water quality data for 2 water systems serving 9,406 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 14.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 140% | Above guideline |
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Compliance & Violations
Active Violations (3)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (13)
03
Oct 1, 2000 — Sep 30, 2001
03
Oct 1, 2000 — Sep 30, 2001
03
Oct 1, 2000 — Sep 30, 2001
03
Oct 1, 2000 — Sep 30, 2001
03
Oct 1, 2000 — Sep 30, 2001
+ 8 more resolved violations
Frequently Asked Questions
Is Denison tap water safe to drink?
Denison'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 Denison tap water?
1 contaminants have been detected in Denison's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Denison?
Install a water filter rated for the specific contaminants found in Denison's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Denison have any water quality violations?
Yes, Denison currently has 3 active violations. See the violations section above for details.