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Water Quality Report

Crandon, WI

Forest County · 4,742 residents · 5 water systems

10

Contaminants detected

3

PFAS compounds

280

Hardness (mg/L)

0

Above legal limits

6

Above health guidelines

Crandon drinking water comes from groundwater wells. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 6 others. PFAS compounds have been detected at trace levels in Crandon water. Water hardness is 280 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Crandon water

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

Lead0.0032 / 0.015 mg/L
21% of EPA limit
Nitrate3.9 / 10 mg/L
39% of EPA limit
Copper50 / 1300 ug/L
4% of EPA limit
Radium0.647 / 5 pCi/L
13% of EPA limit
Uranium1.9 / 30 ug/L
6% of EPA limit
Gross Alpha Radiation2.1 / 15 pCi/L
14% of EPA limit
Nickel0.0022 mg/L
UnregulatedInorganic
Barium0.05 / 2 mg/L
3% of EPA limit
Nitrite0.18 / 1 mg/L
18% of EPA limit
Dichlorodifluoromethane0.34 ug/L
UnregulatedVOC
PFAS (3 compounds detected)
Microplastics (not routinely tested)

Other cities in Forest County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Crandon, WI tap water safe to drink?
Crandon tap water meets EPA legal standards (Maximum Contaminant Levels). However, 6 contaminants are present above independent health guidelines, which are often stricter than legal limits. 10 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 and how they compare to both legal limits and health guidelines.
What contaminants are in Crandon water?
Monitoring has detected 10 contaminants in Crandon's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Nickel, Barium, Nitrite, Dichlorodifluoromethane. Additionally, 3 PFAS compounds have been detected at trace levels. 6 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Crandon water have PFAS?
Yes. 3 PFAS compounds have been detected in Crandon'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 Crandon water hard?
Yes. Crandon water has a hardness of 280 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 Crandon get its drinking water?
Crandon'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. Crandon is served by 5 water systems, the largest being CRANDON WATERWORKS (serving 1,958 people).

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