A86/100
NEKOOSA WATERWORKS — Water Quality Report 2026
Serving 2,394 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7720169
Violations
6
Contaminant Test Results
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 NEKOOSA WATERWORKS
Is NEKOOSA WATERWORKS water safe to drink?
NEKOOSA WATERWORKS water receives a grade of A (86/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has NEKOOSA WATERWORKS detected?
1 contaminants were tested in NEKOOSA WATERWORKS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NEKOOSA WATERWORKS have any EPA violations?
Yes, NEKOOSA WATERWORKS has 6 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL, Other. 2 are health-based violations.
How many people does NEKOOSA WATERWORKS serve?
NEKOOSA WATERWORKS serves approximately 2,394 people, Wisconsin. The system provides water to 1 community: Nekoosa.
What type of water does NEKOOSA WATERWORKS provide?
NEKOOSA WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7720169.
How does NEKOOSA WATERWORKS compare to other utilities in Wisconsin?
NEKOOSA WATERWORKS scores 86/100 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.