B74/100
MURPHYSBORO — Water Quality Report 2026
Serving 10,241 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0770500
Violations
11
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
3
Unresolved
1
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: August 22, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 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: April 1, 2025 – June 30, 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: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 MURPHYSBORO
Is MURPHYSBORO water safe to drink?
MURPHYSBORO water receives a grade of B (74/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MURPHYSBORO detected?
69 contaminants were tested in MURPHYSBORO's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MURPHYSBORO have any EPA violations?
Yes, MURPHYSBORO has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, MR. 3 are health-based violations.
How many people does MURPHYSBORO serve?
MURPHYSBORO serves approximately 10,241 people, Illinois. The system provides water to 1 community: Murphysboro.
What type of water does MURPHYSBORO provide?
MURPHYSBORO 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 IL0770500.
How does MURPHYSBORO compare to other utilities in Illinois?
MURPHYSBORO scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.