Langdon, ND tap water
Supplied mostly by City of Langdon, plus 1 other utility. Here's what the water means for your fish.
Disinfectant
Chlorine
Your water is treated with chlorine. It slowly gases off from standing water, and any water conditioner removes it.
Safety for fish and shrimp
Nitrate (NO₃)
Supplier's figure4.8 ppm (Low)
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: City of Devils Lake, which supplies City of Langdon; City of Devils Lake, which supplies Northeast RWD-Langdon Branch (2014–2017).
Water chemistry
General hardness
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
Carbonate hardness (alkalinity)
147–264 ppm
Typical 147 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data; City of Devils Lake, which supplies Northeast RWD-Langdon Branch (2014–2017).
pH
8–9.1
Typical 9.1
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From EPA monitoring data; City of Devils Lake, which supplies Northeast RWD-Langdon Branch (2014–2017).
- City of Langdon and Northeast RWD-Langdon Branch add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Langdon, ND
City of Langdon
Serves 26% of residents · Buys water from Northeast RWD-Langdon Branch · Chlorine
Northeast RWD-Langdon Branch
Serves 25% of residents · Buys water from City of Devils Lake · Chlorine
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.