A83/100
MILWAUKEE WATERWORKS — Water Quality Report 2026
Serving 626,000 people · Wisconsin
Water Source
Surface Water
County
—
System ID
WI2410100
Violations
10
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
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 MILWAUKEE WATERWORKS
Is MILWAUKEE WATERWORKS water safe to drink?
MILWAUKEE WATERWORKS water receives a grade of A (83/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MILWAUKEE WATERWORKS detected?
76 contaminants were tested in MILWAUKEE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MILWAUKEE WATERWORKS have any EPA violations?
Yes, MILWAUKEE WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does MILWAUKEE WATERWORKS serve?
MILWAUKEE WATERWORKS serves approximately 626,000 people, Wisconsin. The system provides water to 1 community: Milwaukee.
What type of water does MILWAUKEE WATERWORKS provide?
MILWAUKEE WATERWORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI2410100.
How does MILWAUKEE WATERWORKS compare to other utilities in Wisconsin?
MILWAUKEE WATERWORKS scores 83/100 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.