A84/100
MARINE — Water Quality Report 2026
Serving 1,037 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1190700
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.20 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
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 MARINE
Is MARINE water safe to drink?
MARINE water receives a grade of A (84/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARINE detected?
2 contaminants were tested in MARINE's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MARINE have any EPA violations?
Yes, MARINE has 5 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does MARINE serve?
MARINE serves approximately 1,037 people, Illinois. The system provides water to 1 community: Marine.
What type of water does MARINE provide?
MARINE sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1190700.
How does MARINE compare to other utilities in Illinois?
MARINE scores 84/100 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.