CUMBERLAND WATERWORKS: EPA violation history, explained

CUMBERLAND WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,311 people through 855 service connections.

How this compares nationally

CUMBERLAND WATERWORKS has 13 violations on record in total, 5 of thems health-based - ranking it 3,692th of 12,903 systems by violation count, the 71th percentile nationally.

Against the WI average

CUMBERLAND WATERWORKS's 5 health-based violations sit above the WI average of 3.6, across 202 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

CUMBERLAND WATERWORKS's most recent violation on record is dated 2015-01-01, with the most recent health-based one dated 2011-01-07. Last reported to EPA: 05/29/2026.

The concern categories on record

CUMBERLAND WATERWORKS'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 CUMBERLAND WATERWORKS's record does not cover

CUMBERLAND WATERWORKS'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. This record - 5 health-based violations on file for CUMBERLAND WATERWORKS - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.