Is MERRILL WATERWORKS's water safe to drink?
MERRILL WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 9,661, over 4,096 connections.
MERRILL WATERWORKS's record against the rest of the country
143 total violations and 3 health-based ones put MERRILL WATERWORKS at the 64th percentile nationally for violation burden, rank 4,675 of 12,903.
Against the WI average
WI's 202 covered systems average 3.6 health-based violations each; MERRILL WATERWORKS carries 3, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
MERRILL WATERWORKS's most recent violation on record is dated 2026-05-10, with the most recent health-based one dated 2026-05-10. Last reported to EPA: 05/29/2026.
The concern categories on record
MERRILL 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); Revised Total Coliform Rule
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 MERRILL WATERWORKS's record does not cover
Everything on this page is MERRILL WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for MERRILL 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.