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Water Quality Report

South Milwaukee, WI

Milwaukee County · 21,340 residents · 1 water system

21

Contaminants detected

5

PFAS compounds

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

South Milwaukee drinking water comes from surface water. Based on the most recent monitoring data, 21 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 17 others. PFAS compounds have been detected at trace levels in South Milwaukee water.

Contaminants detected in South Milwaukee water

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

Lead0.0077 / 0.015 mg/L
51% of EPA limit
Nitrate0.36 / 10 mg/L
4% of EPA limit
Arsenic0.0017 / 0.01 mg/L
17% of EPA limit
Copper140 / 1300 ug/L
11% of EPA limit
Radium0.5223 / 5 pCi/L
10% of EPA limit
Uranium0.381 / 30 ug/L
1% of EPA limit
Total Trihalomethanes40.7 / 80 ug/L
51% of EPA limit
30% of EPA limit
Atrazine0.036 / 3 ug/L
1% of EPA limit
Nickel0.0013 mg/L
UnregulatedInorganic
Selenium0.0032 / 0.05 mg/L
6% of EPA limit
Toluene0.36 / 1000 ug/L
0% of EPA limit
Thallium0.0012 / 0.002 mg/L
60% of EPA limit
Carbon Tetrachloride1 / 5 ug/L
20% of EPA limit
Antimony0.00015 / 0.006 mg/L
3% of EPA limit
Barium0.02 / 2 mg/L
1% of EPA limit
Fluoride0.58 / 4 mg/L
14% of EPA limit
Metolachlor0.0084 ug/L
UnregulatedVOC
Aldrin0.012 ug/L
Unregulated
PFHpA (Perfluoroheptanoic Acid)0.88 ng/L
UnregulatedPFAS
Toc2.1 mg/L
Unregulated
PFAS (5 compounds detected)
Microplastics (not routinely tested)

Other cities in Milwaukee County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is South Milwaukee, WI tap water safe to drink?
South Milwaukee tap water meets EPA legal standards (Maximum Contaminant Levels). However, 3 contaminants are present above independent health guidelines, which are often stricter than legal limits. 21 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. 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 South Milwaukee water?
Monitoring has detected 21 contaminants in South Milwaukee's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Nickel, Selenium, Toluene, Thallium, Carbon Tetrachloride, Antimony, Barium, Fluoride, Metolachlor, Aldrin, PFHpA (Perfluoroheptanoic Acid), Toc. Additionally, 5 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does South Milwaukee water have PFAS?
Yes. 5 PFAS compounds have been detected in South Milwaukee'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 South Milwaukee get its drinking water?
South Milwaukee's drinking water comes from surface water sources. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. South Milwaukee is served by one water system: SOUTH MILWAUKEE WATERWORKS.

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