Tap WaterIndex

← Wisconsin

Tap water quality report

Curtiss, WI

EPA monitoring detected 20 contaminants across the 1 water supplier serving Curtiss. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

1
water supplier
346
people served
20
contaminants found
Wisconsin rankings Lead in Wisconsin PFAS in Wisconsin

What was found in Curtiss's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Fluoride
151270 µg/L 3782%
of the EPA limit, at the 95th percentile of samples — 4000 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Nitrate
2250 µg/L 23%
of the EPA limit 10000 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2019
1/1 SYR4
Nitrate-Nitrite
1157.25 µg/L 12%
of the EPA limit 10000 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Copper
378 µg/L 29%
of the EPA limit 1300 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Barium
126.25 µg/L 6.3%
of the EPA limit 2000 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
TTHM
25.8185 µg/L 32%
of the EPA limit 80 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Total Haloacetic Acids (HAA5)
24.874 µg/L 41%
of the EPA limit 60 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Chloroform
21.18 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2018
1/1 SYR4
Monochloroacetic Acid
9.567 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Trichloroacetic Acid
8.386 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Arsenic
7.5 µg/L 75%
of the EPA limit 10 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Dichloroacetic Acid
6.445 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Toluene
6.04 µg/L 0.6%
of the EPA limit 1000 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2019
1/1 SYR4
Combined Radium (-226 And -228)
6.022 pCi/L 120%
of the EPA limit, at the 95th percentile of samples — 5 pCi/L
Main supplier: CURTISS WATERWORKS · 346 people · 2018
1/1 SYR4
Lead
5.0475 µg/L 34%
of the EPA limit 15 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Bromodichloromethane
4.322 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2018
1/1 SYR4
Gross Alpha, Excl. Radon And U
4.095 pCi/L 27%
of the EPA limit 15 pCi/L
Main supplier: CURTISS WATERWORKS · 346 people · 2018
1/1 SYR4
Dibromochloromethane
1.68 µg/L
No EPA limit set
Main supplier: CURTISS WATERWORKS · 346 people · 2017
1/1 SYR4
Combined Uranium
0.8795 µg/L 2.9%
of the EPA limit 30 µg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2018
1/1 SYR4
Lead
0.00064 mg/L 4.2%
of the EPA limit 0.0150 mg/L
Main supplier: CURTISS WATERWORKS · 346 people · 2023
1/1 LCR
Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Curtiss

SupplierPopulation served
CURTISS WATERWORKS 346

Frequently asked questions about Curtiss tap water

Is Curtiss tap water safe to drink?

EPA testing detected 20 contaminants in the water serving Curtiss. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Curtiss?

1 public water supplier report drinking-water monitoring for Curtiss, Wisconsin to the EPA. Each is listed above with its population served.

What contaminants are in Curtiss's water?

The contaminants EPA monitoring detected in Curtiss include Fluoride, Nitrate, Nitrate-Nitrite, Copper, Barium. The full list, with the level at the main supplier and the data source, is in the table above.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.