Shell Lake, WI tap water
Supplied by Shell Lake Waterworks. Here's what its water means for your fish.
Disinfectant
Not confirmed
We couldn't confirm how your water is disinfected. US utilities use chlorine or chloramine, and chloramine doesn't gas off when water sits out.
Safety for fish and shrimp
Nitrite (NO₂)
Not detected (Low)
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2014–2017).
Nitrate (NO₃)
Up to 0.5 ppm (Low)
Typical 0.2 ppm
Low, so water changes lower your tank's nitrate well.
From EPA monitoring data (2012–2019).
Water chemistry
General hardness
Area estimate16–190 ppm
Typical 64 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
Area estimate from nearby wells: USGS well samples in your county (2007–2010).
Carbonate hardness (alkalinity)
160 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data (2017).
pH
7.5–7.7
Typical 7.6
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2017).
Total dissolved solids
Area estimate40–96 ppm
Typical 57 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
Area estimate from nearby wells: USGS well samples in your county (2007–2010).
Who supplies Shell Lake, WI
Shell Lake Waterworks
Serves 57% of residents · Groundwater (wells) · Disinfectant not listed
Our data comes from public records and is still incomplete. Many utilities don't publish every number, so we're adding more all the time. Your city's range is a starting point: testing your own tap is the only way to know exactly what's in it.
Tap water lookup covers US cities only for now. Want to know why it matters? Read our story on tap water.
Compiled by Shoal & Stem from public records. Free to cite with a link.