ROUND LAKE PARK: EPA violation history, explained
ROUND LAKE PARK has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. 4,900 people get their water from it, across 1,423 connections.
How this compares nationally
12 total violations and 1 health-based ones put ROUND LAKE PARK at the 37th percentile nationally for violation burden, rank 8,100 of 12,903.
How ROUND LAKE PARK compares within IL
Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - ROUND LAKE PARK's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for ROUND LAKE PARK is from 2026-10-08 (health-based: 2025-05-10). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
ROUND LAKE PARK'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 REVISIONS
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
This is what ROUND LAKE PARK 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 - 1 health-based violation on file for ROUND LAKE PARK - 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.