What's in GRAND ISLAND TOWN WATER DEPT.'s water?
GRAND ISLAND TOWN WATER DEPT. has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 19,500, over 6,200 connections.
GRAND ISLAND TOWN WATER DEPT.'s record against the rest of the country
Out of 12,903 systems in this dataset, GRAND ISLAND TOWN WATER DEPT. ranks 5,953th by violation burden (54th percentile) - 44 violations total, 2 health-baseds.
How GRAND ISLAND TOWN WATER DEPT. compares within NY
GRAND ISLAND TOWN WATER DEPT.'s 2 health-based violations sit within the NY average of 4.1, across 443 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for GRAND ISLAND TOWN WATER DEPT. is from 2024-01-10 (health-based: 1996-01-01). Last reported to EPA: 06/25/2026.
What kind of problem, specifically
GRAND ISLAND TOWN WATER DEPT.'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: Coliform (TCR)
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 GRAND ISLAND TOWN WATER DEPT. 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 44 logged violations can see. The guide to what this data misses covers that gap.