What's in OELWEIN MUNICIPAL WATER WORKS's water?
OELWEIN MUNICIPAL WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 5,920 people through 2,900 service connections.
How this compares nationally
OELWEIN MUNICIPAL WATER WORKS has 9 violations on record in total, 2 of thems health-based - ranking it 6,597th of 12,903 systems by violation count, the 49th percentile nationally.
Against the IA average
IA's 203 covered systems average 3.5 health-based violations each; OELWEIN MUNICIPAL WATER WORKS carries 2, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
OELWEIN MUNICIPAL WATER WORKS's most recent violation on record is dated 2014-01-04, with the most recent health-based one dated 1995-01-06. Last reported to EPA: 06/17/2026.
The concern categories on record
OELWEIN MUNICIPAL WATER WORKS'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 OELWEIN MUNICIPAL WATER WORKS's record does not cover
Everything on this page is OELWEIN MUNICIPAL WATER WORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and OELWEIN MUNICIPAL WATER WORKS's customers' taps is household plumbing, invisible to a system-level record ranked 6,597th of 12,903 by violation count. The guide to what this data misses covers that gap.