Skip to content

Water Quality Report

Woodville, WI

Sauk County · 1,386 residents · 1 water system

20

Contaminants detected

2

PFAS compounds

210

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Woodville drinking water comes from groundwater wells. Based on the most recent monitoring data, 20 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, and 16 others. PFAS compounds have been detected at trace levels in Woodville water. Water hardness is 210 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Woodville water

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

Lead0.00065 / 0.015 mg/L
4% of EPA limit
Nitrate2.1 / 10 mg/L
21% of EPA limit
Copper96 / 1300 ug/L
7% of EPA limit
Radon323 pCi/L
UnregulatedRadionuclide
Radium1.1 / 5 pCi/L
23% of EPA limit
Uranium0.592 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation0.033 / 15 pCi/L
0% of EPA limit
7% of EPA limit
1% of EPA limit
Atrazine0.018 / 3 ug/L
1% of EPA limit
Nickel0.00074 mg/L
UnregulatedInorganic
Selenium0.0037 / 0.05 mg/L
7% of EPA limit
Styrene0.89 / 100 ug/L
1% of EPA limit
Chromium (total)0.00086 / 0.1 mg/L
1% of EPA limit
Toluene0.27 / 1000 ug/L
0% of EPA limit
Antimony0.00012 / 0.006 mg/L
2% of EPA limit
Fluoride0.55 / 4 mg/L
14% of EPA limit
Nitrite0.06 / 1 mg/L
6% of EPA limit
Barium0.0227 / 2 mg/L
1% of EPA limit
Cyanide0.003 / 0.2 mg/L
2% of EPA limit
PFAS (2 compounds detected)
Microplastics (not routinely tested)

Other cities in Sauk County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Woodville, WI tap water safe to drink?
Woodville 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. 20 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radon, Radium. 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 Woodville water?
Monitoring has detected 20 contaminants in Woodville's water supply: Lead, Nitrate, Copper, Radon, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Nickel, Selenium, Styrene, Chromium (total), Toluene, Antimony, Fluoride, Nitrite, Barium, Cyanide. Additionally, 2 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Woodville water have PFAS?
Yes. 2 PFAS compounds have been detected in Woodville'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 Woodville water hard?
Yes. Woodville water has a hardness of 210 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 Woodville get its drinking water?
Woodville'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. Woodville is served by one water system: WOODVILLE WATERWORKS.

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.