MEDFORD WATER DEPT. (MWRA): EPA violation history, explained
MEDFORD WATER DEPT. (MWRA) had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 61,700 people through 15,083 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, MEDFORD WATER DEPT. (MWRA) ranks 2,250th by violation burden (83th percentile) - 12 violations total, 9 health-baseds.
Against the MA average
Among the 283 MA systems in this dataset, the average is 7.0 health-based violations - MEDFORD WATER DEPT. (MWRA)'s 9 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
MEDFORD WATER DEPT. (MWRA)'s most recent violation on record is dated 2023-01-11, with the most recent health-based one dated 2023-01-11. Last reported to EPA: 06/22/2026.
The concern categories on record
MEDFORD 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 MEDFORD WATER DEPT. (MWRA)'s record does not cover
MEDFORD 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. This record - 9 health-based violations on file for MEDFORD WATER DEPT. (MWRA) - 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.