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Water Quality Report

Thorp, WI

Clark County · 1,636 residents · 1 water system

14

Contaminants detected

6

PFAS compounds

230

Hardness (mg/L)

1

Above legal limits

1

Above health guidelines

Thorp 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, Copper, Radium, and 10 others. PFAS compounds have been detected at trace levels in Thorp water. Water hardness is 230 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Thorp water

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

Lead0.038 / 0.015 mg/L
150% of EPA limit
Nitrate7.4 / 10 mg/L
74% of EPA limit
Copper120 / 1300 ug/L
9% of EPA limit
Radium1.9 / 5 pCi/L
38% of EPA limit
Uranium2.8 / 30 ug/L
9% of EPA limit
Gross Alpha Radiation2.1 / 15 pCi/L
14% of EPA limit
Total Trihalomethanes10.6 / 80 ug/L
13% of EPA limit
4% of EPA limit
Atrazine0.013 / 3 ug/L
0% of EPA limit
Nickel0.003 mg/L
UnregulatedInorganic
PFHpA (Perfluoroheptanoic Acid)0.64 ng/L
UnregulatedPFAS
Metolachlor0.014 ug/L
UnregulatedVOC
Barium0.064 / 2 mg/L
3% of EPA limit
Fluoride0.32 / 4 mg/L
8% of EPA limit
PFAS (6 compounds detected)
Microplastics (not routinely tested)

Other cities in Clark County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Thorp, WI tap water safe to drink?
Thorp tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 14 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Uranium. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Thorp water?
Monitoring has detected 14 contaminants in Thorp's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Nickel, PFHpA (Perfluoroheptanoic Acid), Metolachlor, Barium, Fluoride. Additionally, 6 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Thorp water have PFAS?
Yes. 6 PFAS compounds have been detected in Thorp'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 Thorp water hard?
Yes. Thorp water has a hardness of 230 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 Thorp get its drinking water?
Thorp'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. Thorp is served by one water system: THORP WATERWORKS.

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