What's in OSSINING WATER DEPARTMENT's water?
OSSINING WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 30,000 people through 6,600 service connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, OSSINING WATER DEPARTMENT ranks 4,722th by violation burden (63th percentile) - 88 violations total, 3 health-baseds.
How OSSINING WATER DEPARTMENT compares within NY
OSSINING WATER DEPARTMENT's 3 health-based violations sit within the NY average of 4.1, across 443 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for OSSINING WATER DEPARTMENT is from 2022-01-04 (health-based: 2005-03-12). Last reported to EPA: 06/25/2026.
What kind of problem, specifically
OSSINING 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:
- Microbial contamination / treatment technique - flagged from: Interim Enhanced 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
Everything on this page is OSSINING WATER DEPARTMENT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for OSSINING WATER DEPARTMENT - 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.