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Water Quality Report

Maplewood, WI

Door County · 122 residents · 1 water system

14

Contaminants detected

1

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Maplewood drinking water comes from groundwater wells. Based on the most recent monitoring data, 14 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 10 others. PFAS compounds have been detected at trace levels in Maplewood water.

Contaminants detected in Maplewood water

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

Lead0.00021 / 0.015 mg/L
1% of EPA limit
Nitrate1.2 / 10 mg/L
12% of EPA limit
Arsenic0.001 / 0.01 mg/L
10% of EPA limit
Copper134 / 1300 ug/L
10% of EPA limit
Total Trihalomethanes8.4 / 80 ug/L
10% of EPA limit
Haloacetic Acids (HAA5)2.2 / 60 ug/L
4% of EPA limit
Nickel0.0061 mg/L
UnregulatedInorganic
Cadmium0.00003 / 0.005 mg/L
1% of EPA limit
Mercury (inorganic)0.00012 / 0.002 mg/L
6% of EPA limit
Antimony0.00009 / 0.006 mg/L
2% of EPA limit
Chromium (total)0.00066 / 0.1 mg/L
1% of EPA limit
Metolachlor0.016 ug/L
UnregulatedVOC
Barium0.056 / 2 mg/L
3% of EPA limit
Fluoride0.32 / 4 mg/L
8% of EPA limit
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Water systems serving Maplewood

MAPLEWOOD SANITARY DIST 1

122 servedGroundwater14 contaminants2 above guidelines
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Other cities in Door County

Water quality reports for nearby Wisconsin communities.

Egg HarborSister BaySturgeon Bay

Frequently asked questions

Is Maplewood, WI tap water safe to drink?
Maplewood tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 14 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. 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 Maplewood water?
Monitoring has detected 14 contaminants in Maplewood's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Cadmium, Mercury (inorganic), Antimony, Chromium (total), Metolachlor, Barium, Fluoride. Additionally, 1 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Maplewood water have PFAS?
Yes. 1 PFAS compounds have been detected in Maplewood'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 Maplewood get its drinking water?
Maplewood'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. Maplewood is served by one water system: MAPLEWOOD SANITARY DIST 1.

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