Is HUMBOLDT MUNICIPAL WATER DEPT's water safe to drink?
HUMBOLDT MUNICIPAL WATER DEPT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 4,792 people through 2,058 service connections.
HUMBOLDT MUNICIPAL WATER DEPT's record against the rest of the country
3 total violations and 1 health-based ones put HUMBOLDT MUNICIPAL WATER DEPT at the 30th percentile nationally for violation burden, rank 9,021 of 12,903.
How HUMBOLDT MUNICIPAL WATER DEPT compares within IA
IA's 203 covered systems average 3.5 health-based violations each; HUMBOLDT MUNICIPAL WATER DEPT carries 1, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for HUMBOLDT MUNICIPAL WATER DEPT is from 2020-01-05 (health-based: 2009-01-08). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
HUMBOLDT MUNICIPAL WATER DEPT's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what HUMBOLDT MUNICIPAL WATER DEPT reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 3 logged violations can see. The guide to what this data misses covers that gap.