A89/100
HARRISTOWN — Water Quality Report 2026
Serving 1,320 people · Illinois
Water Source
Purchased Groundwater
County
—
System ID
IL1150210
Violations
11
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
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 HARRISTOWN
Is HARRISTOWN water safe to drink?
HARRISTOWN water receives a grade of A (89/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HARRISTOWN detected?
1 contaminants were tested in HARRISTOWN's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HARRISTOWN have any EPA violations?
Yes, HARRISTOWN has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does HARRISTOWN serve?
HARRISTOWN serves approximately 1,320 people, Illinois. The system provides water to 1 community: Harristown.
What type of water does HARRISTOWN provide?
HARRISTOWN sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1150210.
How does HARRISTOWN compare to other utilities in Illinois?
HARRISTOWN scores 89/100 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.