A97/100
CALEDONIA TOWNSHIP — Water Quality Report 2026
Serving 4,573 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0001039
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 CALEDONIA TOWNSHIP
Is CALEDONIA TOWNSHIP water safe to drink?
CALEDONIA TOWNSHIP water receives a grade of A (97/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CALEDONIA TOWNSHIP detected?
32 contaminants were tested in CALEDONIA TOWNSHIP's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does CALEDONIA TOWNSHIP have any EPA violations?
No, CALEDONIA TOWNSHIP has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does CALEDONIA TOWNSHIP serve?
CALEDONIA TOWNSHIP serves approximately 4,573 people, Michigan. The system provides water to 1 community: Caledonia.
What type of water does CALEDONIA TOWNSHIP provide?
CALEDONIA TOWNSHIP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0001039.
How does CALEDONIA TOWNSHIP compare to other utilities in Michigan?
CALEDONIA TOWNSHIP scores 97/100 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.