Skip to content

Water Quality Report

Brown Deer, WI

Milwaukee County · 12,741 residents · 1 water system

5

Contaminants detected

1

PFAS compounds

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Brown Deer drinking water comes from surface water. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), and 1 others. PFAS compounds have been detected at trace levels in Brown Deer water.

Contaminants detected in Brown Deer water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0009 / 0.015 mg/L
6% of EPA limit
Copper9.2 / 1300 ug/L
1% of EPA limit
12% of EPA limit
7% of EPA limit
1,4-Dichlorobenzene0.7 / 75 ug/L
1% of EPA limit
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Milwaukee County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Brown Deer, WI tap water safe to drink?
Brown Deer tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), 1,4-Dichlorobenzene. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Brown Deer water?
Monitoring has detected 5 contaminants in Brown Deer's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), 1,4-Dichlorobenzene. Additionally, 1 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Brown Deer water have PFAS?
Yes. 1 PFAS compounds have been detected in Brown Deer's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Where does Brown Deer get its drinking water?
Brown Deer's drinking water comes from surface water sources. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Brown Deer is served by one water system: BROWN DEER WATERWORKS.

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.