MARLBOROUGH WATER DISTRICT: EPA violation history, explained
MARLBOROUGH WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 3,248 people get their water from it, across 1,140 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, MARLBOROUGH WATER DISTRICT ranks 550th by violation burden (96th percentile) - 48 violations total, 31 health-baseds.
How MARLBOROUGH WATER DISTRICT compares within NY
Among the 443 NY systems in this dataset, the average is 4.1 health-based violations - MARLBOROUGH WATER DISTRICT's 31 is above 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 MARLBOROUGH WATER DISTRICT is from 2023-01-04 (health-based: 2011-01-09). Last reported to EPA: 06/25/2026.
What kind of problem, specifically
MARLBOROUGH WATER DISTRICT'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: Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
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 MARLBOROUGH WATER DISTRICT 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 MARLBOROUGH WATER DISTRICT's customers' taps is household plumbing, invisible to a system-level record ranked 550th of 12,903 by violation count. The guide to what this data misses covers that gap.