What's in MOUNT VERNON WATER WORKS's water?
MOUNT VERNON WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 6,426, over 2,400 connections.
Ranked against every other system in this dataset
186 total violations and 37 health-based ones put MOUNT VERNON WATER WORKS at the 97th percentile nationally for violation burden, rank 415 of 12,903.
How MOUNT VERNON WATER WORKS compares within IN
MOUNT VERNON WATER WORKS's 37 health-based violations sit above the IN average of 2.9, across 283 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for MOUNT VERNON WATER WORKS is from 2026-01-01 (health-based: 2012-01-04). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
MOUNT VERNON 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); Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
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
MOUNT VERNON WATER WORKS's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Between the utility's meter and MOUNT VERNON WATER WORKS's customers' taps is household plumbing, invisible to a system-level record ranked 415th of 12,903 by violation count. The guide to what this data misses covers that gap.