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Water Quality Report

Fitchburg, WI

Dane County · 25,135 residents · 4 water systems

15

Contaminants detected

1

PFAS compounds

287

Hardness (mg/L)

1

Above legal limits

6

Above health guidelines

Fitchburg drinking water comes from groundwater wells. Based on the most recent monitoring data, 15 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 11 others. PFAS compounds have been detected at trace levels in Fitchburg water. Water hardness is 287 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Fitchburg water

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

Lead0.0023 / 0.015 mg/L
15% of EPA limit
Nitrate0.15 / 10 mg/L
2% of EPA limit
Copper1900 / 1300 ug/L
146% of EPA limit
Radium1.8 / 5 pCi/L
37% of EPA limit
Uranium0.651 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation2 / 15 pCi/L
13% of EPA limit
Trichloroethylene0.82 / 5 ug/L
16% of EPA limit
Total Trihalomethanes5.3 / 80 ug/L
7% of EPA limit
Haloacetic Acids (HAA5)2.2 / 60 ug/L
4% of EPA limit
Nickel0.011 mg/L
UnregulatedInorganic
Fluoride0.513 / 4 mg/L
13% of EPA limit
Vinyl Chloride0.27 / 2 ug/L
14% of EPA limit
Chromium (total)0.0044 / 0.1 mg/L
4% of EPA limit
Barium0.018 / 2 mg/L
1% of EPA limit
Methyl Tert Butyl Ether4 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Water systems serving Fitchburg

FITCHBURG UTILITY DIST 1

24,500 servedGroundwater15 contaminants1 above legal limit3 above guidelines
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FITCHBURG UTILITY DIST 1 SOUTH

350 servedGroundwater20 contaminants1 above guideline
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DANVILLE DRIVE SERVICE AREA

150 servedGroundwater4 contaminants1 above guideline
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RIMROCK ROAD NEIGHBORHOOD

135 servedGroundwater4 contaminants1 above guideline
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Other cities in Dane County

Water quality reports for nearby Wisconsin communities.

Black EarthBlue MoundsCambridgeCottage GroveCross PlainsDaneDeerfieldDeforestMadisonMarshallMazomanieMcfarland

Frequently asked questions

Is Fitchburg, WI tap water safe to drink?
Fitchburg tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 6 above independent health guidelines. 15 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 Fitchburg water?
Monitoring has detected 15 contaminants in Fitchburg's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Trichloroethylene, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Vinyl Chloride, Chromium (total), Barium, Methyl Tert Butyl Ether. Additionally, 1 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 6 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Fitchburg water have PFAS?
Yes. 1 PFAS compounds have been detected in Fitchburg'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 Fitchburg water hard?
Yes. Fitchburg water has a hardness of 287 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 Fitchburg get its drinking water?
Fitchburg'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. Fitchburg is served by 4 water systems, the largest being FITCHBURG UTILITY DIST 1 (serving 24,500 people).

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