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Water Quality Report

Junction City, WI

Portage County · 416 residents · 1 water system

13

Contaminants detected

1

PFAS compounds

230

Hardness (mg/L)

0

Above legal limits

4

Above health guidelines

Junction City 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, Arsenic, Copper, and 9 others. PFAS compounds have been detected at trace levels in Junction City water. Water hardness is 230 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Junction City water

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

Lead0.001 / 0.015 mg/L
7% of EPA limit
Nitrate0.9 / 10 mg/L
9% of EPA limit
Arsenic0.0017 / 0.01 mg/L
17% of EPA limit
Copper390 / 1300 ug/L
30% of EPA limit
Radium0.841 / 5 pCi/L
17% of EPA limit
Uranium0.767 / 30 ug/L
3% of EPA limit
Gross Alpha Radiation0.866 / 15 pCi/L
6% of EPA limit
Total Trihalomethanes34.7 / 80 ug/L
43% of EPA limit
16% of EPA limit
Nickel0.0024 mg/L
UnregulatedInorganic
Selenium0.0036 / 0.05 mg/L
7% of EPA limit
Barium0.041 / 2 mg/L
2% of EPA limit
Fluoride0.23 / 4 mg/L
6% of EPA limit
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Portage County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Junction City, WI tap water safe to drink?
Junction City 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. 13 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, 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 Junction City water?
Monitoring has detected 13 contaminants in Junction City's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Selenium, Barium, Fluoride. Additionally, 1 PFAS compounds have been detected at trace levels. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Junction City water have PFAS?
Yes. 1 PFAS compounds have been detected in Junction City'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 Junction City water hard?
Yes. Junction City 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 Junction City get its drinking water?
Junction City'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. Junction City is served by one water system: JUNCTION CITY WATERWORKS.

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