F7/100
ST ELMO — Water Quality Report 2026
Serving 1,272 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0510250
Violations
41
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 ST ELMO
Is ST ELMO water safe to drink?
ST ELMO water receives a grade of F (7/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 41 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ST ELMO detected?
1 contaminants were tested in ST ELMO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ST ELMO have any EPA violations?
Yes, ST ELMO has 41 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, MCL, TT. 13 are health-based violations.
How many people does ST ELMO serve?
ST ELMO serves approximately 1,272 people, Illinois. The system provides water to 1 community: Saint Elmo.
What type of water does ST ELMO provide?
ST ELMO 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 IL0510250.
How does ST ELMO compare to other utilities in Illinois?
ST ELMO scores 7/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.