DrinkingWaterCheck

MOUNT VERNON WATER DEPARTMENT: EPA violation history, explained

MOUNT VERNON WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 73,893 people get their water from it, across 10,172 connections.

Ranked against every other system in this dataset

3 total violations and 2 health-based ones put MOUNT VERNON WATER DEPARTMENT at the 46th percentile nationally for violation burden, rank 6,987 of 12,903.

How MOUNT VERNON WATER DEPARTMENT compares within NY

Among the 443 NY systems in this dataset, the average is 4.1 health-based violations - MOUNT VERNON WATER DEPARTMENT's 2 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 MOUNT VERNON WATER DEPARTMENT is from 2015-01-08 (health-based: 2015-01-08). Last reported to EPA: 06/25/2026.

What kind of problem, specifically

MOUNT VERNON WATER DEPARTMENT'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 lead & copper, which points toward a lead-class filter if you want to address it directly.

What this data is and is not

This is what MOUNT VERNON WATER DEPARTMENT 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 3 logged violations can see. The guide to what this data misses covers that gap.