C57/100
GRANDWOOD PARK SUBDIVISION - LAKE CO PW — Water Quality Report 2026
Serving 5,751 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0975600
Violations
16
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 GRANDWOOD PARK SUBDIVISION - LAKE CO PW
Is GRANDWOOD PARK SUBDIVISION - LAKE CO PW water safe to drink?
GRANDWOOD PARK SUBDIVISION - LAKE CO PW water receives a grade of C (57/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GRANDWOOD PARK SUBDIVISION - LAKE CO PW detected?
31 contaminants were tested in GRANDWOOD PARK SUBDIVISION - LAKE CO PW's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GRANDWOOD PARK SUBDIVISION - LAKE CO PW have any EPA violations?
Yes, GRANDWOOD PARK SUBDIVISION - LAKE CO PW has 16 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, Other, MCL. 6 are health-based violations.
How many people does GRANDWOOD PARK SUBDIVISION - LAKE CO PW serve?
GRANDWOOD PARK SUBDIVISION - LAKE CO PW serves approximately 5,751 people, Illinois.
What type of water does GRANDWOOD PARK SUBDIVISION - LAKE CO PW provide?
GRANDWOOD PARK SUBDIVISION - LAKE CO PW sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0975600.
How does GRANDWOOD PARK SUBDIVISION - LAKE CO PW compare to other utilities in Illinois?
GRANDWOOD PARK SUBDIVISION - LAKE CO PW scores 57/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.