B77/100
ROCKFORD — Water Quality Report 2026
Serving 7,160 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0005730
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 468.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 ROCKFORD
Is ROCKFORD water safe to drink?
ROCKFORD water receives a grade of B (77/100), which is considered good. 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 ROCKFORD detected?
32 contaminants were tested in ROCKFORD's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does ROCKFORD have any EPA violations?
Yes, ROCKFORD has 3 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL. 3 are health-based violations.
How many people does ROCKFORD serve?
ROCKFORD serves approximately 7,160 people, Michigan. The system provides water to 1 community: Rockford.
What type of water does ROCKFORD provide?
ROCKFORD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005730.
How does ROCKFORD compare to other utilities in Michigan?
ROCKFORD scores 77/100 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.