SWANSEA WATER DISTRICT: EPA violation history, explained
SWANSEA WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 17,375 people get their water from it, across 6,223 connections.
SWANSEA WATER DISTRICT's record against the rest of the country
15 total violations and 12 health-based ones put SWANSEA WATER DISTRICT at the 87th percentile nationally for violation burden, rank 1,651 of 12,903.
Against the MA average
SWANSEA WATER DISTRICT's 12 health-based violations sit above the MA average of 7.0, across 283 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
SWANSEA WATER DISTRICT's most recent violation on record is dated 2022-01-07, with the most recent health-based one dated 2020-01-01. Last reported to EPA: 06/22/2026.
The concern categories on record
SWANSEA WATER DISTRICT'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); Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM
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 SWANSEA WATER DISTRICT's record does not cover
Everything on this page is SWANSEA WATER DISTRICT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 12 health-based violations on file for SWANSEA WATER DISTRICT - 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.