What's in EJ WATER-MCWC's water?
EJ WATER-MCWC 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 2,075 people through 1,563 service connections.
How this compares nationally
14 total violations and 8 health-based ones put EJ WATER-MCWC at the 81th percentile nationally for violation burden, rank 2,478 of 12,903.
Against the IL average
IL's 560 covered systems average 5.0 health-based violations each; EJ WATER-MCWC carries 8, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
EJ WATER-MCWC's most recent violation on record is dated 2027-02-12, with the most recent health-based one dated 2025-01-12. Last reported to EPA: 05/27/2026.
The concern categories on record
EJ WATER-MCWC'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); Interim Enhanced Surface Water Treatment Rule
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
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 EJ WATER-MCWC's record does not cover
This is what EJ WATER-MCWC 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. This record - 8 health-based violations on file for EJ WATER-MCWC - 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.