A100/100
MOSINEE EAST SYSTEM — Water Quality Report 2026
Serving 1,046 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7372480
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 MOSINEE EAST SYSTEM
Is MOSINEE EAST SYSTEM water safe to drink?
MOSINEE EAST SYSTEM water receives a grade of A (100/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MOSINEE EAST SYSTEM detected?
1 contaminants were tested in MOSINEE EAST SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MOSINEE EAST SYSTEM have any EPA violations?
No, MOSINEE EAST SYSTEM has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does MOSINEE EAST SYSTEM serve?
MOSINEE EAST SYSTEM serves approximately 1,046 people, Wisconsin. The system provides water to 1 community: Mosinee.
What type of water does MOSINEE EAST SYSTEM provide?
MOSINEE EAST SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7372480.
How does MOSINEE EAST SYSTEM compare to other utilities in Wisconsin?
MOSINEE EAST SYSTEM scores 100/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Wisconsin state page for a full comparison of water systems.