TapSafetyReport
C54/100

GRAYVILLE — Water Quality Report 2026

Serving 1,613 people · Illinois

Water Source
Groundwater
County
—
System ID
IL1934460
Violations
46

Contaminant Test Results

EPA Violation History

7

Violations (last 5yr)

3

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

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 – December 31, 2025Rule: Stage 2 DBPRVerify on EPA.gov
TIER 3Unresolved

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 – December 31, 2025Rule: Stage 2 DBPRVerify 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, 2023 – December 31, 2023Rule: 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: January 1, 2023 – December 31, 2023Rule: 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: August 1, 2021 – July 31, 2022Rule: 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: August 1, 2021 – July 31, 2022Rule: 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 GRAYVILLE

Is GRAYVILLE water safe to drink?

GRAYVILLE water receives a grade of C (54/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has GRAYVILLE detected?

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

Does GRAYVILLE have any EPA violations?

Yes, GRAYVILLE has 46 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MON.

How many people does GRAYVILLE serve?

GRAYVILLE serves approximately 1,613 people, Illinois. The system provides water to 1 community: Grayville.

What type of water does GRAYVILLE provide?

GRAYVILLE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1934460.

How does GRAYVILLE compare to other utilities in Illinois?

GRAYVILLE scores 54/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.

Cities Served

Grayville