DrinkingWaterCheck

MARIETTA PWA: EPA violation history, explained

MARIETTA PWA has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,626 people through 1,221 service connections.

MARIETTA PWA's record against the rest of the country

14 total violations and 4 health-based ones put MARIETTA PWA at the 67th percentile nationally for violation burden, rank 4,301 of 12,903.

How MARIETTA PWA compares within OK

Among the 240 OK systems in this dataset, the average is 39.5 health-based violations - MARIETTA PWA'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 MARIETTA PWA is from 2014-01-01 (health-based: 2012-01-05). Last reported to EPA: 05/13/2026.

What kind of problem, specifically

MARIETTA PWA'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

Everything on this page is MARIETTA PWA'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 MARIETTA PWA - 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.