DrinkingWaterCheck

PARSIPPANY-TROY HILLS WATER DEPARTMENT: EPA violation history, explained

PARSIPPANY-TROY HILLS 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 50,400 people through 15,000 service connections.

How this compares nationally

Out of 12,903 systems in this dataset, PARSIPPANY-TROY HILLS WATER DEPARTMENT ranks 3,329th by violation burden (74th percentile) - 218 violations total, 5 health-baseds.

How PARSIPPANY-TROY HILLS WATER DEPARTMENT compares within NJ

PARSIPPANY-TROY HILLS WATER DEPARTMENT's 5 health-based violations sit within the NJ average of 5.3, across 270 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 PARSIPPANY-TROY HILLS WATER DEPARTMENT is from 2025-01-07 (health-based: 2020-01-01). Last reported to EPA: 06/30/2026.

What kind of problem, specifically

PARSIPPANY-TROY HILLS 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:

The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.

What this data is and is not

Everything on this page is PARSIPPANY-TROY HILLS 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 PARSIPPANY-TROY HILLS WATER DEPARTMENT's customers' taps is household plumbing, invisible to a system-level record ranked 3,329th of 12,903 by violation count. The guide to what this data misses covers that gap.