A86/100
NEGAUNEE — Water Quality Report 2026
Serving 4,568 people · Michigan
Water Source
Purchased Groundwater
County
—
System ID
MI0004650
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.76 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: 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 NEGAUNEE
Is NEGAUNEE water safe to drink?
NEGAUNEE water receives a grade of A (86/100), 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 NEGAUNEE detected?
32 contaminants were tested in NEGAUNEE's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does NEGAUNEE have any EPA violations?
Yes, NEGAUNEE has 3 EPA violation(s) on record, with the most recent in 2023. Violation types include MR.
How many people does NEGAUNEE serve?
NEGAUNEE serves approximately 4,568 people, Michigan. The system provides water to 1 community: Negaunee.
What type of water does NEGAUNEE provide?
NEGAUNEE sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0004650.
How does NEGAUNEE compare to other utilities in Michigan?
NEGAUNEE scores 86/100 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.