Massachusetts Drinking Water Violations

1,597Water Systems
11,947Total Violations
1,216Health-Based
CountyWater SystemsTotal ViolationsHealth-Based
Worcester 345 2,798 289
Middlesex 204 2,148 205
Bristol 133 1,104 123
Norfolk 57 682 118
Hampden 115 662 118
Plymouth 127 952 109
Berkshire 179 673 67
Essex 67 1,000 63
Franklin 112 467 49
Hampshire 93 331 28
Barnstable 127 620 23
Suffolk 8 24 18
Dukes 25 274 5
Nantucket 5 212 1