MILLSTONE PWD: EPA violation history, explained
MILLSTONE PWD had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 5,565 people through 2,288 service connections.
Ranked against every other system in this dataset
MILLSTONE PWD has 16 violations on record in total, 6 of thems health-based - ranking it 3,157th of 12,903 systems by violation count, the 76th percentile nationally.
How MILLSTONE PWD compares within IL
MILLSTONE PWD's 6 health-based violations sit above the IL average of 5.0, across 560 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 MILLSTONE PWD is from 2026-01-01 (health-based: 2026-01-01). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
MILLSTONE PWD'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:
- Lead & copper - flagged from: Lead and Copper Rule
- Other regulated metals - flagged from: Arsenic
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
Everything on this page is MILLSTONE PWD'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 MILLSTONE PWD's customers' taps is household plumbing, invisible to a system-level record ranked 3,157th of 12,903 by violation count. The guide to what this data misses covers that gap.