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Water Quality Report

New Glarus, WI

Green County · 2,348 residents · 1 water system

18

Contaminants detected

0

PFAS compounds

303

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

New Glarus drinking water comes from groundwater wells. Based on the most recent monitoring data, 18 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 14 others. Water hardness is 303 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in New Glarus water

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

Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate0.01 / 10 mg/L
0% of EPA limit
Arsenic0.0008 / 0.01 mg/L
8% of EPA limit
Copper182 / 1300 ug/L
14% of EPA limit
Radium3.9 / 5 pCi/L
79% of EPA limit
Uranium0.612 / 30 ug/L
2% of EPA limit
Gross Alpha Radiation9 / 15 pCi/L
60% of EPA limit
4% of EPA limit
7% of EPA limit
Xylenes7.5 / 10000 ug/L
0% of EPA limit
Fluoride0.7 / 4 mg/L
18% of EPA limit
Ethylbenzene0.76 / 700 ug/L
0% of EPA limit
Mibk6.9 ug/L
Unregulated
Isopropylbenzene0.13 ug/L
UnregulatedVOC
Styrene0.36 / 100 ug/L
0% of EPA limit
Barium0.0199 / 2 mg/L
1% of EPA limit
Thallium0.0002 / 0.002 mg/L
10% of EPA limit
Gross Beta2.3 / 50 pCi/L
5% of EPA limit
Microplastics (not routinely tested)

Other cities in Green County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is New Glarus, WI tap water safe to drink?
New Glarus 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. 18 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 New Glarus water?
Monitoring has detected 18 contaminants in New Glarus's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Xylenes, Fluoride, Ethylbenzene, Mibk, Isopropylbenzene, Styrene, Barium, Thallium, Gross Beta. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is New Glarus water hard?
Yes. New Glarus water has a hardness of 303 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 New Glarus get its drinking water?
New Glarus'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. New Glarus is served by one water system: NEW GLARUS WATERWORKS.

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