CHERRY VALLEY/ ROCHDALE WATER DISTRICT: EPA violation history, explained
CHERRY VALLEY/ ROCHDALE WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,696, over 1,249 connections.
Ranked against every other system in this dataset
CHERRY VALLEY/ ROCHDALE WATER DISTRICT has 83 violations on record in total, 33 of thems health-based - ranking it 497th of 12,903 systems by violation count, the 96th percentile nationally.
Against the MA average
CHERRY VALLEY/ ROCHDALE WATER DISTRICT's 33 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
CHERRY VALLEY/ ROCHDALE WATER DISTRICT's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2016-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
CHERRY VALLEY/ ROCHDALE 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); Interim Enhanced Surface Water Treatment Rule; 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 CHERRY VALLEY/ ROCHDALE WATER DISTRICT's record does not cover
This is what CHERRY VALLEY/ ROCHDALE WATER DISTRICT reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 83 logged violations can see. The guide to what this data misses covers that gap.