MERRIMAC WATER DEPARTMENT: EPA violation history, explained
MERRIMAC WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 6,988, over 1,980 connections.
Ranked against every other system in this dataset
MERRIMAC WATER DEPARTMENT has 208 violations on record in total, 11 of thems health-based - ranking it 1,676th of 12,903 systems by violation count, the 87th percentile nationally.
Against the MA average
MA's 283 covered systems average 7.0 health-based violations each; MERRIMAC WATER DEPARTMENT carries 11, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
MERRIMAC WATER DEPARTMENT's most recent violation on record is dated 2021-01-06, with the most recent health-based one dated 2004-01-10. Last reported to EPA: 06/22/2026.
The concern categories on record
MERRIMAC 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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What MERRIMAC WATER DEPARTMENT's record does not cover
Everything on this page is MERRIMAC WATER DEPARTMENT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 11 health-based violations on file for MERRIMAC WATER DEPARTMENT - 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.