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Water Quality Report

Highland, WI

Iowa County · 842 residents · 1 water system

14

Contaminants detected

0

PFAS compounds

365

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Highland drinking water comes from groundwater wells. Based on the most recent monitoring data, 14 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 10 others. Water hardness is 365 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Highland 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
Nitrate2.7 / 10 mg/L
27% of EPA limit
Arsenic0.0009 / 0.01 mg/L
9% of EPA limit
Copper121 / 1300 ug/L
9% of EPA limit
Radium1.1 / 5 pCi/L
22% of EPA limit
Uranium0.4 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation2.4 / 15 pCi/L
16% of EPA limit
Haloacetic Acids (HAA5)0.28 / 60 ug/L
0% of EPA limit
Selenium0.001 / 0.05 mg/L
2% of EPA limit
Styrene0.19 / 100 ug/L
0% of EPA limit
Thallium0.0002 / 0.002 mg/L
10% of EPA limit
Ethylbenzene0.22 / 700 ug/L
0% of EPA limit
Barium0.025 / 2 mg/L
1% of EPA limit
Fluoride0.15 / 4 mg/L
4% of EPA limit
Microplastics (not routinely tested)

Water systems serving Highland

HIGHLAND WATERWORKS

842 servedGroundwater14 contaminants1 above guideline
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Other cities in Iowa County

Water quality reports for nearby Wisconsin communities.

ArenaAvocaBarneveldCobbDodgevilleEdmundHollandaleLindenMineral PointReweyRidgeway

Frequently asked questions

Is Highland, WI tap water safe to drink?
Highland tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 14 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 Highland water?
Monitoring has detected 14 contaminants in Highland's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Haloacetic Acids (HAA5), Selenium, Styrene, Thallium, Ethylbenzene, Barium, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Highland water hard?
Yes. Highland water has a hardness of 365 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 Highland get its drinking water?
Highland'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. Highland is served by one water system: HIGHLAND WATERWORKS.

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