B77/100
ELMWOOD PARK — Water Quality Report 2026
Serving 25,000 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0310780
Violations
8
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Unresolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 ELMWOOD PARK
Is ELMWOOD PARK water safe to drink?
ELMWOOD PARK water receives a grade of B (77/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ELMWOOD PARK detected?
69 contaminants were tested in ELMWOOD PARK's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ELMWOOD PARK have any EPA violations?
Yes, ELMWOOD PARK has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 3 are health-based violations.
How many people does ELMWOOD PARK serve?
ELMWOOD PARK serves approximately 25,000 people, Illinois. The system provides water to 1 community: Elmwood Park.
What type of water does ELMWOOD PARK provide?
ELMWOOD PARK 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 IL0310780.
How does ELMWOOD PARK compare to other utilities in Illinois?
ELMWOOD PARK scores 77/100 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.