Norwalk, Iowa Water Quality Report
Water quality data for 1 water system serving 14,334 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 47.6 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 476% | Above guideline |
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Compliance & Violations
Active Violations (24)
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Resolved Violations (31)
24
Aug 1, 2011 — Aug 31, 2011
24
Aug 1, 2011 — Aug 31, 2011
24
Aug 1, 2011 — Aug 31, 2011
23
Oct 1, 2003 — Oct 31, 2003
23
Oct 1, 2003 — Oct 31, 2003
+ 26 more resolved violations
Frequently Asked Questions
Is Norwalk tap water safe to drink?
Norwalk'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 Norwalk tap water?
1 contaminants have been detected in Norwalk's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Norwalk?
Install a water filter rated for the specific contaminants found in Norwalk's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Norwalk have any water quality violations?
Yes, Norwalk currently has 24 active violations. See the violations section above for details.