Skip to content

Water Quality Report

Cambridge, WI

Dane County · 1,886 residents · 6 water systems

17

Contaminants detected

0

PFAS compounds

307

Hardness (mg/L)

0

Above legal limits

8

Above health guidelines

Cambridge drinking water comes from groundwater wells. Based on the most recent monitoring data, 17 contaminants have been detected in the water supply, including Lead, Copper, Radium, Uranium, and 13 others. PFAS testing has been conducted with no detections. Water hardness is 307 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Cambridge water

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

Lead0.0012 / 0.015 mg/L
8% of EPA limit
Copper44.8 / 1300 ug/L
3% of EPA limit
Radium0.245 / 5 pCi/L
5% of EPA limit
Uranium0.618 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation3.2 / 15 pCi/L
21% of EPA limit
Total Trihalomethanes9.6 / 80 ug/L
12% of EPA limit
Haloacetic Acids (HAA5)2.8 / 60 ug/L
5% of EPA limit
Nickel0.0106 mg/L
UnregulatedInorganic
Xylenes3.5 / 10000 ug/L
0% of EPA limit
Fluoride0.82 / 4 mg/L
21% of EPA limit
Di(2-ethylhexyl) phthalate0.47 / 6 ug/L
8% of EPA limit
Mibk4.4 ug/L
Unregulated
Ethylbenzene0.51 / 700 ug/L
0% of EPA limit
Mercury (inorganic)0.000059 / 0.002 mg/L
3% of EPA limit
Barium0.0133 / 2 mg/L
1% of EPA limit
Nitrite0.0164 / 1 mg/L
2% of EPA limit
Gross Beta1.4 / 50 pCi/L
3% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Water systems serving Cambridge

CAMBRIDGE WATER & SEWER UTILITY

1,638 servedGroundwater17 contaminants2 above guidelines
View →

BREEZY KNOLL COMMUNITY

116 servedGroundwater6 contaminants1 above guideline
View →

RIPVIEW COURT 1

35 servedGroundwater12 contaminants1 above guideline
View →

RIPVIEW COURT 4

35 servedGroundwater12 contaminants1 above guideline
View →

RIPVIEW COURT 2

31 servedGroundwater11 contaminants1 above guideline
View →

RIPVIEW COURT 3

31 servedGroundwater13 contaminants2 above guidelines
View →

Other cities in Dane County

Water quality reports for nearby Wisconsin communities.

Black EarthBlue MoundsCottage GroveCross PlainsDaneDeerfieldDeforestFitchburgMadisonMarshallMazomanieMcfarland

Frequently asked questions

Is Cambridge, WI tap water safe to drink?
Cambridge tap water meets EPA legal standards (Maximum Contaminant Levels). However, 8 contaminants are present above independent health guidelines, which are often stricter than legal limits. 17 contaminants have been detected in the water supply, including Lead, Copper, 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 Cambridge water?
Monitoring has detected 17 contaminants in Cambridge's water supply: Lead, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Xylenes, Fluoride, Di(2-ethylhexyl) phthalate, Mibk, Ethylbenzene, Mercury (inorganic), Barium, Nitrite, Gross Beta. 8 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Cambridge water have PFAS?
Cambridge's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Is Cambridge water hard?
Yes. Cambridge water has a hardness of 307 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 Cambridge get its drinking water?
Cambridge'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. Cambridge is served by 6 water systems, the largest being CAMBRIDGE WATER & SEWER UTILITY (serving 1,638 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.

Free water assessment in Cambridge.

Schedule an onsite consultation.

For my businessFor my home