GREAT LAKES NAVAL TRAINING STATION: EPA violation history, explained
GREAT LAKES NAVAL TRAINING STATION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 23,000 people through 1,140 service connections.
GREAT LAKES NAVAL TRAINING STATION's record against the rest of the country
11 total violations and 1 health-based ones put GREAT LAKES NAVAL TRAINING STATION at the 37th percentile nationally for violation burden, rank 8,142 of 12,903.
How GREAT LAKES NAVAL TRAINING STATION compares within IL
GREAT LAKES NAVAL TRAINING STATION's 1 health-based violations sit within 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 GREAT LAKES NAVAL TRAINING STATION is from 2020-01-07 (health-based: 2008-01-09). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
GREAT LAKES NAVAL TRAINING STATION'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 this data is and is not
This is what GREAT LAKES NAVAL TRAINING STATION 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 11 logged violations can see. The guide to what this data misses covers that gap.