D22/100
TOWER LAKES — Water Quality Report 2026
Serving 1,372 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0975010
Violations
66
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.38 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – November 9, 2022Enforcement: 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 TOWER LAKES
Is TOWER LAKES water safe to drink?
TOWER LAKES water receives a grade of D (22/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 66 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TOWER LAKES detected?
2 contaminants were tested in TOWER LAKES's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does TOWER LAKES have any EPA violations?
Yes, TOWER LAKES has 66 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, TT. 1 are health-based violations.
How many people does TOWER LAKES serve?
TOWER LAKES serves approximately 1,372 people, Illinois. The system provides water to 1 community: Tower Lakes.
What type of water does TOWER LAKES provide?
TOWER LAKES sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0975010.
How does TOWER LAKES compare to other utilities in Illinois?
TOWER LAKES scores 22/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.