Is GAHANNA CITY PWS's water safe to drink?
GAHANNA CITY PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 33,258, over 10,638 connections.
Ranked against every other system in this dataset
13 total violations and 3 health-based ones put GAHANNA CITY PWS at the 60th percentile nationally for violation burden, rank 5,168 of 12,903.
How GAHANNA CITY PWS compares within OH
GAHANNA CITY PWS's 3 health-based violations sit within the OH average of 5.5, across 394 systems statewide. 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 GAHANNA CITY PWS is from 2025-02-07 (health-based: 2013-01-04). Last reported to EPA: 05/15/2026.
What kind of problem, specifically
GAHANNA CITY PWS'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:
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What this data is and is not
This is what GAHANNA CITY PWS 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 13 logged violations can see. The guide to what this data misses covers that gap.