A82/100
GLENWOOD — Water Quality Report 2026
Serving 8,956 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0311050
Violations
15
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – December 20, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2022 – January 6, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 21, 2021 – June 23, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – February 27, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 GLENWOOD
Is GLENWOOD water safe to drink?
GLENWOOD water receives a grade of A (82/100), which is considered excellent. Out of 54 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GLENWOOD detected?
54 contaminants were tested in GLENWOOD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GLENWOOD have any EPA violations?
Yes, GLENWOOD has 15 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR.
How many people does GLENWOOD serve?
GLENWOOD serves approximately 8,956 people, Illinois. The system provides water to 1 community: Glenwood.
What type of water does GLENWOOD provide?
GLENWOOD 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 IL0311050.
How does GLENWOOD compare to other utilities in Illinois?
GLENWOOD scores 82/100 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.