SHELBY CITY: EPA violation history, explained
SHELBY CITY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 9,453, over 4,231 connections.
SHELBY CITY's record against the rest of the country
Out of 12,903 systems in this dataset, SHELBY CITY ranks 940th by violation burden (93th percentile) - 45 violations total, 19 health-baseds.
How SHELBY CITY compares within OH
OH's 394 covered systems average 5.5 health-based violations each; SHELBY CITY carries 19, 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 SHELBY CITY is from 2020-05-11 (health-based: 2006-01-10). Last reported to EPA: 05/15/2026.
What kind of problem, specifically
SHELBY CITY'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); Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM
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 SHELBY CITY 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. Between the utility's meter and SHELBY CITY's customers' taps is household plumbing, invisible to a system-level record ranked 940th of 12,903 by violation count. The guide to what this data misses covers that gap.