F0/100
CENTRAL MACOUPIN COUNTY RWD — Water Quality Report 2026
Serving 1,883 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1170040
Violations
35
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 CENTRAL MACOUPIN COUNTY RWD
Is CENTRAL MACOUPIN COUNTY RWD water safe to drink?
CENTRAL MACOUPIN COUNTY RWD water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 35 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CENTRAL MACOUPIN COUNTY RWD detected?
1 contaminants were tested in CENTRAL MACOUPIN COUNTY RWD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CENTRAL MACOUPIN COUNTY RWD have any EPA violations?
Yes, CENTRAL MACOUPIN COUNTY RWD has 35 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, TT, MCL. 26 are health-based violations.
How many people does CENTRAL MACOUPIN COUNTY RWD serve?
CENTRAL MACOUPIN COUNTY RWD serves approximately 1,883 people, Illinois.
What type of water does CENTRAL MACOUPIN COUNTY RWD provide?
CENTRAL MACOUPIN COUNTY RWD 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 IL1170040.
How does CENTRAL MACOUPIN COUNTY RWD compare to other utilities in Illinois?
CENTRAL MACOUPIN COUNTY RWD scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.