A94/100
GLENDALE WATERWORKS — Water Quality Report 2026
Serving 12,883 people · Wisconsin
Water Source
Purchased Surface Water
County
—
System ID
WI2410168
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Other violation
When: October 31, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 GLENDALE WATERWORKS
Is GLENDALE WATERWORKS water safe to drink?
GLENDALE WATERWORKS water receives a grade of A (94/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GLENDALE WATERWORKS detected?
69 contaminants were tested in GLENDALE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GLENDALE WATERWORKS have any EPA violations?
Yes, GLENDALE WATERWORKS has 3 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other.
How many people does GLENDALE WATERWORKS serve?
GLENDALE WATERWORKS serves approximately 12,883 people, Wisconsin. The system provides water to 1 community: Glendale.
What type of water does GLENDALE WATERWORKS provide?
GLENDALE WATERWORKS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI2410168.
How does GLENDALE WATERWORKS compare to other utilities in Wisconsin?
GLENDALE WATERWORKS scores 94/100 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.