C55/100
SOUTH HOLLAND — Water Quality Report 2026
Serving 22,000 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0312970
Violations
22
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
2
Unresolved
2
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: December 1, 2023 – June 11, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – June 22, 2023Enforcement: Resolving — corrective action underway
TIER 2Resolved
Other non-health-based violation
When: June 1, 2022 – June 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Other non-health-based violation
When: March 1, 2022 – March 7, 2022Rule: Ground Water 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 SOUTH HOLLAND
Is SOUTH HOLLAND water safe to drink?
SOUTH HOLLAND water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 22 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SOUTH HOLLAND detected?
69 contaminants were tested in SOUTH HOLLAND's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SOUTH HOLLAND have any EPA violations?
Yes, SOUTH HOLLAND has 22 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MR. 5 are health-based violations.
How many people does SOUTH HOLLAND serve?
SOUTH HOLLAND serves approximately 22,000 people, Illinois. The system provides water to 1 community: South Holland.
What type of water does SOUTH HOLLAND provide?
SOUTH HOLLAND 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 IL0312970.
How does SOUTH HOLLAND compare to other utilities in Illinois?
SOUTH HOLLAND scores 55/100 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.