B78/100
WESTERN SPRINGS — Water Quality Report 2026
Serving 13,274 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0313180
Violations
12
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 280.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – September 19, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – April 12, 2023Enforcement: Formal — state order issued
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 21, 2021 – November 29, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – July 16, 2021Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – July 5, 2023Enforcement: 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 WESTERN SPRINGS
Is WESTERN SPRINGS water safe to drink?
WESTERN SPRINGS water receives a grade of B (78/100), which is considered good. Out of 63 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WESTERN SPRINGS detected?
63 contaminants were tested in WESTERN SPRINGS's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does WESTERN SPRINGS have any EPA violations?
Yes, WESTERN SPRINGS has 12 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does WESTERN SPRINGS serve?
WESTERN SPRINGS serves approximately 13,274 people, Illinois. The system provides water to 1 community: Western Springs.
What type of water does WESTERN SPRINGS provide?
WESTERN SPRINGS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0313180.
How does WESTERN SPRINGS compare to other utilities in Illinois?
WESTERN SPRINGS 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.