TapSafetyReport
C54/100

Pinckneyville Tap Water Quality: Is It Safe to Drink? (2026 Report)

Serving 8,274 residents · Illinois

What's In Pinckneyville's Tap Water?

31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals

EPA Violation History

14

Violations (last 5yr)

0

Unresolved

4

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 28, 2025 – July 1, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 17, 2025 – June 11, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issued
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
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
TIER 1 — URGENTResolved

Violation related to Nitrate

When: July 1, 2024 – July 31, 2024Rule: Surface Water Treatment RuleEnforcement: 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: July 1, 2024 – September 30, 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: July 1, 2024 – September 30, 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: July 1, 2024 – September 30, 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: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: June 1, 2024 – June 30, 2024Rule: Surface Water Treatment 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

Water Utility Details

PINCKNEYVILLE CORRECTIONAL CENTER
Population Served

2,470

Water Source

Purchased Groundwater

System ID

IL1450010

PINCKNEYVILLE
Population Served

5,804

Water Source

Surface Water

System ID

IL1450150

Frequently Asked Questions About Pinckneyville Water

Is Pinckneyville tap water safe to drink?

Pinckneyville, Illinois tap water receives a grade of C (54/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 40 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

What contaminants are in Pinckneyville's water?

31 contaminants were tested in Pinckneyville's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.

Does Pinckneyville have any water quality violations?

Yes, Pinckneyville has 40 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MCL. 13 of these are health-based violations, which are the most serious category.

Do I need a water filter in Pinckneyville?

Pinckneyville water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.

Where does Pinckneyville's tap water come from?

Pinckneyville's drinking water is sourced from purchased groundwater and supplied by PINCKNEYVILLE CORRECTIONAL CENTER and 1 other water system(s). The system serves approximately 8,274 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.

How often is Pinckneyville's water tested?

Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Pinckneyville's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.

How does Pinckneyville's water compare to other cities in Illinois?

Pinckneyville's water quality score of 54/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Illinois state page to see how all cities in the state compare.

What should I do if I'm concerned about Pinckneyville's water quality?

If you have concerns about Pinckneyville's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (PINCKNEYVILLE CORRECTIONAL CENTER) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.

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