A94/100
MARSHALL — Water Quality Report 2026
Serving 7,088 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0004150
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – September 30, 2022Enforcement: 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 MARSHALL
Is MARSHALL water safe to drink?
MARSHALL water receives a grade of A (94/100), which is considered excellent. Out of 58 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARSHALL detected?
58 contaminants were tested in MARSHALL's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARSHALL have any EPA violations?
Yes, MARSHALL has 3 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR.
How many people does MARSHALL serve?
MARSHALL serves approximately 7,088 people, Michigan. The system provides water to 1 community: Marshall.
What type of water does MARSHALL provide?
MARSHALL sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0004150.
How does MARSHALL compare to other utilities in Michigan?
MARSHALL scores 94/100 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.