D20/100
FORT MCCOY NORTH POST — Water Quality Report 2026
Serving 10,000 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6420302
Violations
61
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) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – January 10, 2022Rule: Ground Water RuleEnforcement: 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 FORT MCCOY NORTH POST
Is FORT MCCOY NORTH POST water safe to drink?
FORT MCCOY NORTH POST water receives a grade of D (20/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FORT MCCOY NORTH POST detected?
52 contaminants were tested in FORT MCCOY NORTH POST's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does FORT MCCOY NORTH POST have any EPA violations?
Yes, FORT MCCOY NORTH POST has 61 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MON, TT. 2 are health-based violations.
How many people does FORT MCCOY NORTH POST serve?
FORT MCCOY NORTH POST serves approximately 10,000 people, Wisconsin. The system provides water to 1 community: Fort Mccoy.
What type of water does FORT MCCOY NORTH POST provide?
FORT MCCOY NORTH POST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6420302.
How does FORT MCCOY NORTH POST compare to other utilities in Wisconsin?
FORT MCCOY NORTH POST scores 20/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.