PlainWater
Counties → Wisconsin

Milwaukee County, Wisconsin

Water Systems
85
Population Served
953,104
Total Violations
2,602
363 health-based
PFAS Detected
0
of 14 tested

Violation Analysis

95.3%
Systems with Violations
30.6
Avg Violations per System
14.0%
Health-Based Violations

Water Source Types

GW
36 systems (42%)
SW
14 systems (16%)

PFAS Contamination

14
Systems Tested
0
PFAS Detected
0.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Milwaukee Wisconsin water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Milwaukee Waterworks 626,000 40 Clean
West Allis Waterworks 63,240 10 Clean
Wauwatosa Waterworks 49,064 13 Clean
North Shore Water Commission 35,598 36 Clean
Oak Creek Waterworks 32,104 143 Clean
Franklin Water Utility 22,500 200 Clean
South Milwaukee Waterworks 21,340 96 Clean
Cudahy Waterworks 18,659 63 Clean
Greendale Waterworks 14,393 19 Clean
Whitefish Bay Waterworks 14,272 15 Clean
Shorewood Waterworks 13,535 30 Clean
Glendale Waterworks 12,883 5 Clean
Brown Deer Waterworks 12,741 80 Clean
Fox Point Waterworks 6,808 10 Clean
Robert William Park Water Association Inc 1,065 56 -
Country Dale School 523 19 -
Emanuel Bne Jeshrun Center 509 38 -
Hales Happiness Subdivision 400 93 -
St Johns Ev Lutheran Church Oak Creek 400 16 -
Schlitz Audubon Nature Center 399 12 -
Milwaukee Country Club Clubhouse 320 22 -
Mulligans Irish Pub & Grill 312 4 -
Whitnall Park Golf Course Clubhouse 308 8 -
On the Border 303 19 -
Indian Hill School 285 78 -
St Martin of Tours Cong 258 299 -
Xpo Logistics 232 27 -
Emanuel United Church of Christ 218 19 -
Crystal Ridge 215 25 -
Whitnall Park Golf Service Building 210 6 -
Country Lanes 203 37 -
Whitnall Garden Apartments 200 43 -
Pryor Ave Iron Well 200 3 -
Polonia Sports Club 200 8 -
Sandras on the Park 165 13 -
Wehr Nature Center 160 5 -
Wisconsin Country Club Tee 5 155 2 -
Open Pantry 154 26 -
Oakwood Park Golf Course 142 5 -
Crossway Church North Shore Campus 121 26 -
Franklin MHP 118 55 -
Embassy Motel 105 13 -
Bowery Bar 104 18 -
St Christophers Episcopal Ch 103 11 -
Milwaukee Country Club Tennis Building 102 4 -
Whitnall Park Golf Tee 5 100 0 -
Brown Deer Park Comfort Station 100 11 -
Waste Management Southeast Wisconsin 99 4 -
Whitnall Park Lutheran Church 75 37 -
Falk Park Well 75 2 -

Other Counties in Wisconsin

Dane County
301 systems · 517,785 served · 7,065 violations
Waukesha County
590 systems · 322,690 served · 24,998 violations
Brown County
149 systems · 246,872 served · 2,891 violations
Outagamie County
107 systems · 179,535 served · 1,999 violations
Racine County
195 systems · 179,476 served · 10,597 violations
Winnebago County
152 systems · 151,482 served · 1,690 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Milwaukee County? ▼
Milwaukee County has 2,602 total drinking water violations across 85 water systems, of which 363 are health-based violations. 95.3% of systems have at least one violation.
How many people get water from Milwaukee County systems? ▼
Water systems in Milwaukee County serve approximately 953,104 people through 85 public water systems.
Has PFAS been detected in Milwaukee County water? ▼
Of 14 water systems tested for PFAS in Milwaukee County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Milwaukee County? ▼
Water systems in Milwaukee County use GW (36 systems), SW (14 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 14.0% of Milwaukee County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.