B78/100
Marshall-Polk Rural Water System — Water Quality Report 2026
Serving 3,295 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1450005
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
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 2015.
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-Polk Rural Water System
Is Marshall-Polk Rural Water System water safe to drink?
Marshall-Polk Rural Water System water receives a grade of B (78/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Marshall-Polk Rural Water System detected?
2 contaminants were tested in Marshall-Polk Rural Water System's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does Marshall-Polk Rural Water System have any EPA violations?
Yes, Marshall-Polk Rural Water System has 3 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, MR. 2 are health-based violations.
How many people does Marshall-Polk Rural Water System serve?
Marshall-Polk Rural Water System serves approximately 3,295 people, Minnesota.
What type of water does Marshall-Polk Rural Water System provide?
Marshall-Polk Rural Water System sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1450005.
How does Marshall-Polk Rural Water System compare to other utilities in Minnesota?
Marshall-Polk Rural Water System scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Minnesota state page for a full comparison of water systems.