D21/100
HAMPSHIRE — Water Quality Report 2026
Serving 7,758 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0890450
Violations
19
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.78 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – September 30, 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 HAMPSHIRE
Is HAMPSHIRE water safe to drink?
HAMPSHIRE water receives a grade of D (21/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has HAMPSHIRE detected?
32 contaminants were tested in HAMPSHIRE's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does HAMPSHIRE have any EPA violations?
Yes, HAMPSHIRE has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, Other. 13 are health-based violations.
How many people does HAMPSHIRE serve?
HAMPSHIRE serves approximately 7,758 people, Illinois. The system provides water to 1 community: Hampshire.
What type of water does HAMPSHIRE provide?
HAMPSHIRE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0890450.
How does HAMPSHIRE compare to other utilities in Illinois?
HAMPSHIRE scores 21/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.