SOUTH DEERFIELD WATER SUPPLY DISTRICT: EPA violation history, explained
SOUTH DEERFIELD WATER SUPPLY 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: 3,800, over 1,570 connections.
Ranked against every other system in this dataset
SOUTH DEERFIELD WATER SUPPLY DISTRICT has 37 violations on record in total, 8 of thems health-based - ranking it 2,371th of 12,903 systems by violation count, the 82th percentile nationally.
Against the MA average
SOUTH DEERFIELD WATER SUPPLY DISTRICT's 8 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
SOUTH DEERFIELD WATER SUPPLY DISTRICT's most recent violation on record is dated 2019-11-08, with the most recent health-based one dated 2018-01-08. Last reported to EPA: 06/22/2026.
The concern categories on record
SOUTH DEERFIELD WATER SUPPLY 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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Interim Enhanced Surface Water Treatment Rule; 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 SOUTH DEERFIELD WATER SUPPLY DISTRICT's record does not cover
SOUTH DEERFIELD WATER SUPPLY DISTRICT'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. Between the utility's meter and SOUTH DEERFIELD WATER SUPPLY DISTRICT's customers' taps is household plumbing, invisible to a system-level record ranked 2,371th of 12,903 by violation count. The guide to what this data misses covers that gap.