A93/100
JONESBORO — Water Quality Report 2026
Serving 1,799 people · Illinois
Water Source
Purchased Groundwater
County
—
System ID
IL1810250
Violations
3
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 JONESBORO
Is JONESBORO water safe to drink?
JONESBORO water receives a grade of A (93/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has JONESBORO detected?
1 contaminants were tested in JONESBORO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does JONESBORO have any EPA violations?
Yes, JONESBORO has 3 EPA violation(s) on record, with the most recent in 2022. Violation types include MCL, Other, MR. 1 are health-based violations.
How many people does JONESBORO serve?
JONESBORO serves approximately 1,799 people, Illinois. The system provides water to 1 community: Jonesboro.
What type of water does JONESBORO provide?
JONESBORO sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1810250.
How does JONESBORO compare to other utilities in Illinois?
JONESBORO scores 93/100 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.