What's in NEW HAVEN WATER DEPARTMENT's water?
NEW HAVEN WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 15,700 people get their water from it, across 4,995 connections.
NEW HAVEN WATER DEPARTMENT's record against the rest of the country
NEW HAVEN WATER DEPARTMENT has 19 violations on record in total, 1 of them health-based - ranking it 7,854th of 12,903 systems by violation count, the 39th percentile nationally.
Against the IN average
Among the 283 IN systems in this dataset, the average is 2.9 health-based violations - NEW HAVEN WATER DEPARTMENT's 1 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
NEW HAVEN WATER DEPARTMENT's most recent violation on record is dated 2025-01-10, with the most recent health-based one dated 1993-01-01. Last reported to EPA: 06/30/2026.
The concern categories on record
NEW HAVEN 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:
- Lead & copper - flagged from: Lead and Copper Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What NEW HAVEN WATER DEPARTMENT's record does not cover
Everything on this page is NEW HAVEN WATER DEPARTMENT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and NEW HAVEN WATER DEPARTMENT's customers' taps is household plumbing, invisible to a system-level record ranked 7,854th of 12,903 by violation count. The guide to what this data misses covers that gap.