A93/100
ROCHESTER — Water Quality Report 2026
Serving 7,130 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0005720
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 ROCHESTER
Is ROCHESTER water safe to drink?
ROCHESTER water receives a grade of A (93/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ROCHESTER detected?
31 contaminants were tested in ROCHESTER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROCHESTER have any EPA violations?
Yes, ROCHESTER has 4 EPA violation(s) on record, with the most recent in 2005. Violation types include MR.
How many people does ROCHESTER serve?
ROCHESTER serves approximately 7,130 people, Michigan. The system provides water to 1 community: Rochester.
What type of water does ROCHESTER provide?
ROCHESTER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005720.
How does ROCHESTER compare to other utilities in Michigan?
ROCHESTER scores 93/100 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.