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Water Quality Report

Hortonville, WI

Outagamie County · 3,028 residents · 1 water system

13

Contaminants detected

1

PFAS compounds

403

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Hortonville drinking water comes from groundwater wells. Based on the most recent monitoring data, 13 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 9 others. PFAS compounds have been detected at trace levels in Hortonville water. Water hardness is 403 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Hortonville water

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

Lead0.00066 / 0.015 mg/L
4% of EPA limit
Nitrate2.6 / 10 mg/L
26% of EPA limit
Copper1.4 / 1.3 mg/L
108% of EPA limit
Radium2.4 / 5 pCi/L
47% of EPA limit
Uranium1.1 / 30 ug/L
4% of EPA limit
Gross Alpha Radiation0.969 / 15 pCi/L
6% of EPA limit
Total Trihalomethanes8.2 / 80 ug/L
10% of EPA limit
Haloacetic Acids (HAA5)1.3 / 60 ug/L
2% of EPA limit
Nickel0.0016 mg/L
UnregulatedInorganic
Barium0.28 / 2 mg/L
14% of EPA limit
Fluoride0.16 / 4 mg/L
4% of EPA limit
Phosphorus Total0.46 ug/L
Unregulated
Orthophosphate1120 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Water systems serving Hortonville

HORTONVILLE WATER UTILITY

3,028 servedGroundwater13 contaminants1 above legal limit2 above guidelines
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Other cities in Outagamie County

Water quality reports for nearby Wisconsin communities.

AppletonBear CreekBlack CreekCombined LocksFreedomGrand ChuteGreenvilleKaukaunaKimberlyLittle ChuteNicholsSeymour

Frequently asked questions

Is Hortonville, WI tap water safe to drink?
Hortonville tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 13 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 Hortonville water?
Monitoring has detected 13 contaminants in Hortonville's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Barium, Fluoride, Phosphorus Total, Orthophosphate. Additionally, 1 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Hortonville water have PFAS?
Yes. 1 PFAS compounds have been detected in Hortonville'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 Hortonville water hard?
Yes. Hortonville water has a hardness of 403 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 Hortonville get its drinking water?
Hortonville'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. Hortonville is served by one water system: HORTONVILLE WATER UTILITY.

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