DrinkingWaterCheck

YORKTOWN NAVAL WEAPONS STATION: EPA violation history, explained

YORKTOWN NAVAL WEAPONS STATION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,386, over 445 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, YORKTOWN NAVAL WEAPONS STATION ranks 3,585th by violation burden (72th percentile) - 21 violations total, 5 health-baseds.

How YORKTOWN NAVAL WEAPONS STATION compares within VA

Among the 186 VA systems in this dataset, the average is 4.2 health-based violations - YORKTOWN NAVAL WEAPONS STATION's 5 is above that. 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 YORKTOWN NAVAL WEAPONS STATION is from 2004-01-07 (health-based: 2004-01-07). Last reported to EPA: 05/19/2026.

What kind of problem, specifically

YORKTOWN NAVAL WEAPONS STATION'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

This is what YORKTOWN NAVAL WEAPONS STATION 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 YORKTOWN NAVAL WEAPONS STATION's customers' taps is household plumbing, invisible to a system-level record ranked 3,585th of 12,903 by violation count. The guide to what this data misses covers that gap.