What's in MATTAPOISETT RIVER VALLEY W.D.'s water?

MATTAPOISETT RIVER VALLEY W.D.'s only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 29,600 people through 1 service connections.

How this compares nationally

Out of 12,903 systems in this dataset, MATTAPOISETT RIVER VALLEY W.D. ranks 12,295th by violation burden (5th percentile) - 1 violation total, 0 health-baseds.

Against the MA average

MATTAPOISETT RIVER VALLEY W.D.'s 0 health-based violations sit within the MA average of 7.0, across 283 systems statewide. See the lead and copper guide for why lead counts differently.

What MATTAPOISETT RIVER VALLEY W.D.'s record does not cover

This is what MATTAPOISETT RIVER VALLEY W.D. 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 1 logged violations can see. The guide to what this data misses covers that gap.