A84/100
BETHALTO — Water Quality Report 2026
Serving 15,210 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1190150
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 BETHALTO
Is BETHALTO water safe to drink?
BETHALTO water receives a grade of A (84/100), which is considered excellent. Out of 67 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BETHALTO detected?
67 contaminants were tested in BETHALTO's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does BETHALTO have any EPA violations?
Yes, BETHALTO has 5 EPA violation(s) on record, with the most recent in 2021. Violation types include MR.
How many people does BETHALTO serve?
BETHALTO serves approximately 15,210 people, Illinois. The system provides water to 1 community: Bethalto.
What type of water does BETHALTO provide?
BETHALTO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1190150.
How does BETHALTO compare to other utilities in Illinois?
BETHALTO scores 84/100 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.