Skip to content

Water Quality Report

Osceola, WI

Polk County · 2,780 residents · 2 water systems

8

Contaminants detected

0

PFAS compounds

204

Hardness (mg/L)

0

Above legal limits

4

Above health guidelines

Osceola drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Arsenic, Radium, Uranium, and 4 others. Water hardness is 204 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Osceola water

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

Lead0.00029 / 0.015 mg/L
2% of EPA limit
Arsenic0.003 / 0.01 mg/L
30% of EPA limit
Radium4 / 5 pCi/L
79% of EPA limit
Uranium0.001 / 30 ug/L
0% of EPA limit
Gross Alpha Radiation2.3 / 15 pCi/L
15% of EPA limit
2% of EPA limit
2% of EPA limit
Fluoride0.418 / 4 mg/L
10% of EPA limit
Microplastics (not routinely tested)

Other cities in Polk County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Osceola, WI tap water safe to drink?
Osceola tap water meets EPA legal standards (Maximum Contaminant Levels). However, 4 contaminants are present above independent health guidelines, which are often stricter than legal limits. 8 contaminants have been detected in the water supply, including Lead, Arsenic, Radium, Uranium, 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 Osceola water?
Monitoring has detected 8 contaminants in Osceola's water supply: Lead, Arsenic, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Osceola water hard?
Yes. Osceola water has a hardness of 204 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 Osceola get its drinking water?
Osceola'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. Osceola is served by 2 water systems, the largest being OSCEOLA WATERWORKS (serving 2,680 people).

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.