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Water Quality Report

Bayside, WI

Milwaukee County · 385 residents · 2 water systems

6

Contaminants detected

5

PFAS compounds

327

Hardness (mg/L)

0

Above legal limits

3

Above health guidelines

Bayside drinking water comes from groundwater wells. Based on the most recent monitoring data, 6 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 2 others. PFAS compounds have been detected at trace levels in Bayside water. Water hardness is 327 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Bayside water

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

Lead0.0048 / 0.015 mg/L
32% of EPA limit
Nitrate0.2 / 10 mg/L
2% of EPA limit
Copper164 / 1300 ug/L
13% of EPA limit
Radium1.4 / 5 pCi/L
29% of EPA limit
Gross Alpha Radiation1.3 / 15 pCi/L
8% of EPA limit
PFHpA (Perfluoroheptanoic Acid)5.6 ng/L
UnregulatedPFAS
PFAS (5 compounds detected)
Microplastics (not routinely tested)

Other cities in Milwaukee County

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Frequently asked questions

Is Bayside, WI tap water safe to drink?
Bayside 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. 6 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Gross Alpha Radiation. 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 Bayside water?
Monitoring has detected 6 contaminants in Bayside's water supply: Lead, Nitrate, Copper, Radium, Gross Alpha Radiation, PFHpA (Perfluoroheptanoic Acid). 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 Bayside water have PFAS?
Yes. 5 PFAS compounds have been detected in Bayside'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.
Is Bayside water hard?
Yes. Bayside water has a hardness of 327 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Bayside get its drinking water?
Bayside's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Bayside is served by 2 water systems, the largest being MAPLEWOOD VILLAGE (serving 225 people).

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