C56/100
MIDDLEVILLE — Water Quality Report 2026
Serving 3,309 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0004360
Violations
17
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
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, 2021 – September 30, 2021Enforcement: 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 MIDDLEVILLE
Is MIDDLEVILLE water safe to drink?
MIDDLEVILLE water receives a grade of C (56/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 17 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MIDDLEVILLE detected?
31 contaminants were tested in MIDDLEVILLE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MIDDLEVILLE have any EPA violations?
Yes, MIDDLEVILLE has 17 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 6 are health-based violations.
How many people does MIDDLEVILLE serve?
MIDDLEVILLE serves approximately 3,309 people, Michigan. The system provides water to 1 community: Middleville.
What type of water does MIDDLEVILLE provide?
MIDDLEVILLE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0004360.
How does MIDDLEVILLE compare to other utilities in Michigan?
MIDDLEVILLE scores 56/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Michigan state page for a full comparison of water systems.