A84/100
FLANAGAN — Water Quality Report 2026
Serving 1,110 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1050400
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
2
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
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 FLANAGAN
Is FLANAGAN water safe to drink?
FLANAGAN water receives a grade of A (84/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FLANAGAN detected?
1 contaminants were tested in FLANAGAN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FLANAGAN have any EPA violations?
Yes, FLANAGAN has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MR. 1 are health-based violations.
How many people does FLANAGAN serve?
FLANAGAN serves approximately 1,110 people, Illinois. The system provides water to 1 community: Flanagan.
What type of water does FLANAGAN provide?
FLANAGAN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1050400.
How does FLANAGAN compare to other utilities in Illinois?
FLANAGAN scores 84/100 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.