A92/100
HAVANA — Water Quality Report 2026
Serving 2,963 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1250200
Violations
8
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
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
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 HAVANA
Is HAVANA water safe to drink?
HAVANA water receives a grade of A (92/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HAVANA detected?
31 contaminants were tested in HAVANA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HAVANA have any EPA violations?
Yes, HAVANA has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, Other.
How many people does HAVANA serve?
HAVANA serves approximately 2,963 people, Illinois. The system provides water to 1 community: Havana.
What type of water does HAVANA provide?
HAVANA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1250200.
How does HAVANA compare to other utilities in Illinois?
HAVANA scores 92/100 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.