NAHANT WATER DEPT. (MWRA): EPA violation history, explained
NAHANT WATER DEPT. (MWRA) has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,334, over 1,972 connections.
NAHANT WATER DEPT. (MWRA)'s record against the rest of the country
15 total violations and 9 health-based ones put NAHANT WATER DEPT. (MWRA) at the 83th percentile nationally for violation burden, rank 2,234 of 12,903.
How NAHANT WATER DEPT. (MWRA) compares within MA
NAHANT WATER DEPT. (MWRA)'s 9 health-based violations sit above the MA average of 7.0, across 283 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 NAHANT WATER DEPT. (MWRA) is from 2021-01-01 (health-based: 2000-01-01). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
NAHANT WATER DEPT. (MWRA)'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
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Surface Water Treatment 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 this data is and is not
NAHANT WATER DEPT. (MWRA)'s numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 15 logged violations can see. The guide to what this data misses covers that gap.