B78/100
POLO — Water Quality Report 2026
Serving 2,355 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1410450
Violations
14
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
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: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – April 30, 2023Rule: Total Coliform RuleEnforcement: 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 POLO
Is POLO water safe to drink?
POLO water receives a grade of B (78/100), which is considered good. Out of 21 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has POLO detected?
21 contaminants were tested in POLO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does POLO have any EPA violations?
Yes, POLO has 14 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MON, MCL. 2 are health-based violations.
How many people does POLO serve?
POLO serves approximately 2,355 people, Illinois. The system provides water to 1 community: Polo.
What type of water does POLO provide?
POLO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1410450.
How does POLO compare to other utilities in Illinois?
POLO scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.