F0/100
VIENNA — Water Quality Report 2026
Serving 1,618 people · Illinois
Water Source
Surface Water
County
—
System ID
IL0870350
Violations
145
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 VIENNA
Is VIENNA water safe to drink?
VIENNA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 145 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has VIENNA detected?
1 contaminants were tested in VIENNA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does VIENNA have any EPA violations?
Yes, VIENNA has 145 EPA violation(s) on record, with the most recent in 2018. Violation types include TT, Other, MR. 13 are health-based violations.
How many people does VIENNA serve?
VIENNA serves approximately 1,618 people, Illinois. The system provides water to 1 community: Vienna.
What type of water does VIENNA provide?
VIENNA sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0870350.
How does VIENNA compare to other utilities in Illinois?
VIENNA scores 0/100 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.