B74/100
GRAND LEDGE, CITY OF — Water Quality Report 2026
Serving 8,701 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0002770
Violations
7
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) | 0.001 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: July 1, 2025 – July 31, 2025Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – July 31, 2025Rule: Total Coliform RuleEnforcement: 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 GRAND LEDGE, CITY OF
Is GRAND LEDGE, CITY OF water safe to drink?
GRAND LEDGE, CITY OF water receives a grade of B (74/100), which is considered good. Out of 52 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GRAND LEDGE, CITY OF detected?
52 contaminants were tested in GRAND LEDGE, CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GRAND LEDGE, CITY OF have any EPA violations?
Yes, GRAND LEDGE, CITY OF has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON, MCL. 2 are health-based violations.
How many people does GRAND LEDGE, CITY OF serve?
GRAND LEDGE, CITY OF serves approximately 8,701 people, Michigan. The system provides water to 1 community: Grand Ledge.
What type of water does GRAND LEDGE, CITY OF provide?
GRAND LEDGE, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0002770.
How does GRAND LEDGE, CITY OF compare to other utilities in Michigan?
GRAND LEDGE, CITY OF scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.