What's in MALDEN WATER DIVISION (MWRA)'s water?
MALDEN WATER DIVISION (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: 66,263, over 11,855 connections.
MALDEN WATER DIVISION (MWRA)'s record against the rest of the country
MALDEN WATER DIVISION (MWRA) has 24 violations on record in total, 20 of thems health-based - ranking it 906th of 12,903 systems by violation count, the 93th percentile nationally.
Against the MA average
Among the 283 MA systems in this dataset, the average is 7.0 health-based violations - MALDEN WATER DIVISION (MWRA)'s 20 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
MALDEN WATER DIVISION (MWRA)'s most recent violation on record is dated 2022-08-06, with the most recent health-based one dated 2016-01-03. Last reported to EPA: 06/22/2026.
The concern categories on record
MALDEN WATER DIVISION (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); Stage 1 Disinfectants and Disinfection Byproducts Rule; 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 MALDEN WATER DIVISION (MWRA)'s record does not cover
Everything on this page is MALDEN WATER DIVISION (MWRA)'s own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 24 logged violations can see. The guide to what this data misses covers that gap.