F15/100
NEW GLARUS WATERWORKS — Water Quality Report 2026
Serving 2,348 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1230084
Violations
81
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – March 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – October 31, 2022Rule: Total Coliform 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 NEW GLARUS WATERWORKS
Is NEW GLARUS WATERWORKS water safe to drink?
NEW GLARUS WATERWORKS water receives a grade of F (15/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 81 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NEW GLARUS WATERWORKS detected?
1 contaminants were tested in NEW GLARUS WATERWORKS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NEW GLARUS WATERWORKS have any EPA violations?
Yes, NEW GLARUS WATERWORKS has 81 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MON. 1 are health-based violations.
How many people does NEW GLARUS WATERWORKS serve?
NEW GLARUS WATERWORKS serves approximately 2,348 people, Wisconsin. The system provides water to 1 community: New Glarus.
What type of water does NEW GLARUS WATERWORKS provide?
NEW GLARUS WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1230084.
How does NEW GLARUS WATERWORKS compare to other utilities in Wisconsin?
NEW GLARUS WATERWORKS scores 15/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.