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Water Quality Report

Rhinelander, WI

Oneida County · 8,234 residents · 1 water system

15

Contaminants detected

8

PFAS compounds

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Rhinelander 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, Arsenic, Copper, and 11 others. PFAS compounds have been detected at trace levels in Rhinelander water.

Contaminants detected in Rhinelander water

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

Lead0.001 / 0.015 mg/L
7% of EPA limit
Nitrate1.1 / 10 mg/L
11% of EPA limit
Arsenic0.0012 / 0.01 mg/L
12% of EPA limit
Copper240 / 1300 ug/L
18% of EPA limit
Total Trihalomethanes23.4 / 80 ug/L
29% of EPA limit
39% of EPA limit
Nickel0.002 mg/L
UnregulatedInorganic
Fluoride0.71 / 4 mg/L
18% of EPA limit
PFHpA (Perfluoroheptanoic Acid)5.9 ng/L
UnregulatedPFAS
Hexachlorocyclopentadiene0.029 / 50 ug/L
0% of EPA limit
Chromium (total)0.0059 / 0.1 mg/L
6% of EPA limit
Barium0.15 / 2 mg/L
8% of EPA limit
Pfpea0.0096 ug/L
Unregulated
Pfhpa0.0064 ug/L
Unregulated
Pfhxa0.011 ug/L
Unregulated
PFAS (8 compounds detected)
Microplastics (not routinely tested)

Other cities in Oneida County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Rhinelander, WI tap water safe to drink?
Rhinelander 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. 15 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. 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 Rhinelander water?
Monitoring has detected 15 contaminants in Rhinelander's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, PFHpA (Perfluoroheptanoic Acid), Hexachlorocyclopentadiene, Chromium (total), Barium, Pfpea, Pfhpa, Pfhxa. Additionally, 8 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Rhinelander water have PFAS?
Yes. 8 PFAS compounds have been detected in Rhinelander'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.
Where does Rhinelander get its drinking water?
Rhinelander'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. Rhinelander is served by one water system: RHINELANDER WATER & WASTEWATER.

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