DrinkingWaterCheck

Aqua Ohio - Blacklick, OH Water Quality

What's in Aqua Ohio - Blacklick's water?

Past violation
4 health-based violations

Aqua Ohio - Blacklick has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 7,100, over 2,898 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, Aqua Ohio - Blacklick ranks 4,570th by violation burden (65th percentile) - 5 violations total, 4 health-based.

How Aqua Ohio - Blacklick compares within OH

Aqua Ohio - Blacklick's 4 health-based violations sit within the OH average of 5.3, across 412 systems statewide. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for Aqua Ohio - Blacklick is from 1996-01-02 (health-based: 1996-01-02). Last reported to EPA: 05/15/2026.

What kind of problem, specifically

Aqua Ohio - Blacklick'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:

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

Aqua Ohio - Blacklick'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. This record - 4 health-based violations on file for Aqua Ohio - Blacklick - 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.