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A95/100

SHAWNEE CORRECTIONAL CENTER — Water Quality Report 2026

Serving 1,617 people · Illinois

Water Source
Purchased Surface Water
County
—
System ID
IL0870010
Violations
5

Contaminant Test Results

EPA Violation History

5

Violations (last 5yr)

2

Unresolved

0

Health-Related

TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: 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 SHAWNEE CORRECTIONAL CENTER

Is SHAWNEE CORRECTIONAL CENTER water safe to drink?

SHAWNEE CORRECTIONAL CENTER water receives a grade of A (95/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has SHAWNEE CORRECTIONAL CENTER detected?

1 contaminants were tested in SHAWNEE CORRECTIONAL CENTER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does SHAWNEE CORRECTIONAL CENTER have any EPA violations?

Yes, SHAWNEE CORRECTIONAL CENTER has 5 EPA violation(s) on record, with the most recent in 2025. Violation types include MR.

How many people does SHAWNEE CORRECTIONAL CENTER serve?

SHAWNEE CORRECTIONAL CENTER serves approximately 1,617 people, Illinois. The system provides water to 1 community: Vienna.

What type of water does SHAWNEE CORRECTIONAL CENTER provide?

SHAWNEE CORRECTIONAL CENTER 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 IL0870010.

How does SHAWNEE CORRECTIONAL CENTER compare to other utilities in Illinois?

SHAWNEE CORRECTIONAL CENTER scores 95/100 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.

Cities Served

Vienna