A87/100
MADISON TOWNSHIP — Water Quality Report 2026
Serving 3,480 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0004006
Violations
2
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.72 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 MADISON TOWNSHIP
Is MADISON TOWNSHIP water safe to drink?
MADISON TOWNSHIP water receives a grade of A (87/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MADISON TOWNSHIP detected?
32 contaminants were tested in MADISON TOWNSHIP's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MADISON TOWNSHIP have any EPA violations?
Yes, MADISON TOWNSHIP has 2 EPA violation(s) on record, with the most recent in 2019. Violation types include MR.
How many people does MADISON TOWNSHIP serve?
MADISON TOWNSHIP serves approximately 3,480 people, Michigan. The system provides water to 1 community: Adrian.
What type of water does MADISON TOWNSHIP provide?
MADISON TOWNSHIP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0004006.
How does MADISON TOWNSHIP compare to other utilities in Michigan?
MADISON TOWNSHIP scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Michigan state page for a full comparison of water systems.