A90/100
COBDEN — Water Quality Report 2026
Serving 1,267 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1810150
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 COBDEN
Is COBDEN water safe to drink?
COBDEN water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has COBDEN detected?
1 contaminants were tested in COBDEN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COBDEN have any EPA violations?
Yes, COBDEN has 7 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, Other.
How many people does COBDEN serve?
COBDEN serves approximately 1,267 people, Illinois. The system provides water to 1 community: Cobden.
What type of water does COBDEN provide?
COBDEN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1810150.
How does COBDEN compare to other utilities in Illinois?
COBDEN scores 90/100 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.