Is SANDWICH WATER DISTRICT's water safe to drink?
SANDWICH WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 23,000 people get their water from it, across 7,335 connections.
How this compares nationally
Out of 12,903 systems in this dataset, SANDWICH WATER DISTRICT ranks 1,650th by violation burden (87th percentile) - 15 violations total, 12 health-baseds.
How SANDWICH WATER DISTRICT compares within MA
SANDWICH WATER DISTRICT's 12 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
The last violation EPA has on record for SANDWICH WATER DISTRICT is from 2025-01-04 (health-based: 2009-01-08). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
SANDWICH 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)
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 this data is and is not
Everything on this page is SANDWICH WATER DISTRICT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and SANDWICH WATER DISTRICT's customers' taps is household plumbing, invisible to a system-level record ranked 1,650th of 12,903 by violation count. The guide to what this data misses covers that gap.