What's in CORPORATION OF HARPERS FERRY's water?
CORPORATION OF HARPERS FERRY had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 2,122 people get their water from it, across 866 connections.
How this compares nationally
117 total violations and 3 health-based ones put CORPORATION OF HARPERS FERRY at the 64th percentile nationally for violation burden, rank 4,693 of 12,903.
How CORPORATION OF HARPERS FERRY compares within WV
Among the 135 WV systems in this dataset, the average is 6.4 health-based violations - CORPORATION OF HARPERS FERRY's 3 is at or below 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 CORPORATION OF HARPERS FERRY is from 2025-12-07 (health-based: 2025-01-05). Last reported to EPA: 05/19/2026.
What kind of problem, specifically
CORPORATION OF HARPERS FERRY'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:
- Microbial contamination / treatment technique - flagged from: Long Term 2 Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
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
CORPORATION OF HARPERS FERRY'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. Between the utility's meter and CORPORATION OF HARPERS FERRY's customers' taps is household plumbing, invisible to a system-level record ranked 4,693th of 12,903 by violation count. The guide to what this data misses covers that gap.