B67/100
PORTAGE — Water Quality Report 2026
Serving 46,292 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0005520
Violations
24
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 708.15 µg/L | — | Above Goal |
manganese | 325.17 µg/L | — | Above Goal |
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 2019.
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 PORTAGE
Is PORTAGE water safe to drink?
PORTAGE water receives a grade of B (67/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PORTAGE detected?
66 contaminants were tested in PORTAGE's water. Notable contaminants include Lead (90th percentile), chlorate, manganese. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does PORTAGE have any EPA violations?
Yes, PORTAGE has 24 EPA violation(s) on record, with the most recent in 2019. Violation types include MR.
How many people does PORTAGE serve?
PORTAGE serves approximately 46,292 people, Michigan. The system provides water to 1 community: Portage.
What type of water does PORTAGE provide?
PORTAGE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0005520.
How does PORTAGE compare to other utilities in Michigan?
PORTAGE scores 67/100 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.