F0/100
DE PUE — Water Quality Report 2026
Serving 1,838 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0110300
Violations
29
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – July 14, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – July 14, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – January 12, 2024Enforcement: 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 DE PUE
Is DE PUE water safe to drink?
DE PUE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 29 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DE PUE detected?
1 contaminants were tested in DE PUE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does DE PUE have any EPA violations?
Yes, DE PUE has 29 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MCL, MR. 23 are health-based violations.
How many people does DE PUE serve?
DE PUE serves approximately 1,838 people, Illinois. The system provides water to 1 community: De Pue.
What type of water does DE PUE provide?
DE PUE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0110300.
How does DE PUE compare to other utilities in Illinois?
DE PUE 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.