B69/100
LENA — Water Quality Report 2026
Serving 2,680 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1770300
Violations
23
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.62 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
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 LENA
Is LENA water safe to drink?
LENA water receives a grade of B (69/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LENA detected?
2 contaminants were tested in LENA's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does LENA have any EPA violations?
Yes, LENA has 23 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does LENA serve?
LENA serves approximately 2,680 people, Illinois. The system provides water to 1 community: Lena.
What type of water does LENA provide?
LENA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1770300.
How does LENA compare to other utilities in Illinois?
LENA scores 69/100 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.