Water Quality in Milwaukee, WI (53226)

EPA violation data for public water systems serving ZIP code 53226.

No Health-Based Violations

None of the 35 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 48% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

18,908

Population

35

Water Systems

4

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (35)

Milwaukee Waterworks

Surface water 626,000 people served
0 violations
Lead tested: 5.3 ppb (limit: 15 ppb)

West Allis Waterworks

Purchased surface water 63,240 people served
0 violations
Lead tested: 2.4 ppb (limit: 15 ppb)

Mayfair Mall

Groundwater 50,500 people served
0 violations

Wauwatosa Waterworks

Purchased surface water 49,064 people served
0 violations
Lead tested: 8.4 ppb (limit: 15 ppb)

Milwaukee County Grounds

All resolved
Purchased surface water 9,936 people served
4 violations (5yr) · All resolved

Mcdonalds Lake Mills

Groundwater 1,525 people served
0 violations

Hardees In Delafield

Groundwater 1,333 people served
0 violations

Wendys Mequon

Groundwater 1,120 people served
0 violations

Wendys

Groundwater 848 people served
0 violations

Hales Corners Park

Groundwater 315 people served
0 violations

East Mequon Corporate Center

Groundwater 250 people served
0 violations

Whitnall Park Arboretum

Groundwater 165 people served
0 violations

12700 Bluemound Road Llc

Groundwater 150 people served
0 violations
Lead tested: 4.07 ppb (limit: 15 ppb)

Rays Mequon Llc

Groundwater 85 people served
0 violations

Tres Locos

Groundwater 78 people served
0 violations

Watters Edge Campground

Groundwater 75 people served
0 violations

Warehouse Shoes

Groundwater 72 people served
0 violations

Mcdonalds Germantown

Groundwater 60 people served
0 violations

Vitamin Products 1

Groundwater 50 people served
0 violations

County Line Plaza

Groundwater 35 people served
0 violations

Pheonix Gaming

Groundwater 33 people served
0 violations

Jacobus Quickflash

Groundwater 25 people served
0 violations

Pin Feathers

Groundwater 25 people served
0 violations

Jacobus Dev Corp Property

Groundwater 25 people served
0 violations

Milwaukee Gun Club

Groundwater 25 people served
0 violations

Teaching Centers Day Care

Groundwater 25 people served
0 violations

Hales Villa Apt

Groundwater 25 people served
0 violations

Larrys Boat Landing

Groundwater 25 people served
0 violations

Wisconsin Avenue Park

Groundwater 25 people served
0 violations

Greenfield Park

Groundwater 25 people served
0 violations

Mcdonalds Hales Corners

Groundwater 25 people served
0 violations

Vacant Lot 17100 W North Ave

Groundwater 25 people served
0 violations

Sahlberg Stewart M D S C

Groundwater 25 people served
0 violations

Mcdonalds Delafield

Groundwater 25 people served
0 violations

Mission Lakes I

Groundwater 22 people served
0 violations

Contaminants Found

TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
4.07 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Milwaukee (53226) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.

Fewer violations 48th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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