B69/100
EDGAR WATERWORKS — Water Quality Report 2026
Serving 1,491 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7370150
Violations
19
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.74 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – February 17, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
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 EDGAR WATERWORKS
Is EDGAR WATERWORKS water safe to drink?
EDGAR WATERWORKS water receives a grade of B (69/100), which is considered good. Out of 28 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has EDGAR WATERWORKS detected?
28 contaminants were tested in EDGAR WATERWORKS's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does EDGAR WATERWORKS have any EPA violations?
Yes, EDGAR WATERWORKS has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MR. 1 are health-based violations.
How many people does EDGAR WATERWORKS serve?
EDGAR WATERWORKS serves approximately 1,491 people, Wisconsin. The system provides water to 1 community: Edgar.
What type of water does EDGAR WATERWORKS provide?
EDGAR WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7370150.
How does EDGAR WATERWORKS compare to other utilities in Wisconsin?
EDGAR WATERWORKS scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.