A88/100
COLDWATER — Water Quality Report 2026
Serving 13,822 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0001500
Violations
1
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2003.
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 COLDWATER
Is COLDWATER water safe to drink?
COLDWATER water receives a grade of A (88/100), 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 COLDWATER detected?
67 contaminants were tested in COLDWATER's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does COLDWATER have any EPA violations?
Yes, COLDWATER has 1 EPA violation(s) on record, with the most recent in 2003. Violation types include Other.
How many people does COLDWATER serve?
COLDWATER serves approximately 13,822 people, Michigan. The system provides water to 1 community: Coldwater.
What type of water does COLDWATER provide?
COLDWATER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0001500.
How does COLDWATER compare to other utilities in Michigan?
COLDWATER scores 88/100 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.