Garrison, ND tap water
Supplied mostly by City of Garrison, plus 1 other utility. Here's what the water means for your fish.
Disinfectant
Chloramine
Your water is treated with chloramine. Unlike chlorine, it doesn't gas off when water sits out, and many pitcher and fridge filters aren't rated to remove it. Conditioners that list chloramine on the label break it apart, which frees a little ammonia. Some utilities switch to plain chlorine for a few weeks a year.
Safety for fish and shrimp
Nitrate (NO₃)
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
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)
77 ppm
Moderate buffering. pH should stay fairly steady.
From EPA monitoring data; City of Garrison, which supplies Garrison Rural Water District (2016).
pH
8.3
Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.
From EPA monitoring data; City of Garrison, which supplies Garrison Rural Water District (2016).
- City of Garrison and Garrison Rural Water District add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- City of Garrison and Garrison Rural Water District soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Garrison, ND
City of Garrison
Serves all residents · Lake or river water · Chloramine
Garrison Rural Water District
Serves 13% of residents · Buys water from City of Garrison · Chloramine
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.