A93/100
HERSCHER — Water Quality Report 2026
Serving 1,600 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0910450
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.011 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 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 HERSCHER
Is HERSCHER water safe to drink?
HERSCHER water receives a grade of A (93/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HERSCHER detected?
1 contaminants were tested in HERSCHER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HERSCHER have any EPA violations?
Yes, HERSCHER has 4 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR.
How many people does HERSCHER serve?
HERSCHER serves approximately 1,600 people, Illinois. The system provides water to 1 community: Herscher.
What type of water does HERSCHER provide?
HERSCHER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0910450.
How does HERSCHER compare to other utilities in Illinois?
HERSCHER scores 93/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.