A86/100
GREAT LAKES NAVAL TRAINING STATION — Water Quality Report 2026
Serving 23,000 people · Illinois
Water Source
Surface Water
County
—
System ID
IL0975227
Violations
10
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GREAT LAKES NAVAL TRAINING STATION
Is GREAT LAKES NAVAL TRAINING STATION water safe to drink?
GREAT LAKES NAVAL TRAINING STATION water receives a grade of A (86/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GREAT LAKES NAVAL TRAINING STATION detected?
69 contaminants were tested in GREAT LAKES NAVAL TRAINING STATION's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GREAT LAKES NAVAL TRAINING STATION have any EPA violations?
Yes, GREAT LAKES NAVAL TRAINING STATION has 10 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, MCL. 1 are health-based violations.
How many people does GREAT LAKES NAVAL TRAINING STATION serve?
GREAT LAKES NAVAL TRAINING STATION serves approximately 23,000 people, Illinois. The system provides water to 1 community: North Chicago.
What type of water does GREAT LAKES NAVAL TRAINING STATION provide?
GREAT LAKES NAVAL TRAINING STATION sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0975227.
How does GREAT LAKES NAVAL TRAINING STATION compare to other utilities in Illinois?
GREAT LAKES NAVAL TRAINING STATION scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.