BARNESVILLE: EPA violation history, explained
BARNESVILLE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 6,500 people get their water from it, across 2,368 connections.
BARNESVILLE's record against the rest of the country
29 total violations and 4 health-based ones put BARNESVILLE at the 68th percentile nationally for violation burden, rank 4,121 of 12,903.
How BARNESVILLE compares within OH
Among the 394 OH systems in this dataset, the average is 5.5 health-based violations - BARNESVILLE's 4 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for BARNESVILLE is from 2025-02-07 (health-based: 2008-01-06). Last reported to EPA: 05/15/2026.
What kind of problem, specifically
BARNESVILLE'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: Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
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
Everything on this page is BARNESVILLE's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 4 health-based violations on file for BARNESVILLE - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.