Jamestown, ND tap water
Supplied mostly by Stutsman Rural Water District, plus 1 other utility. Here's what the water means for your fish.
Disinfectant
Chlorine or chloramine
Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.
Safety for fish and shrimp
Nitrate (NO₃)
Area estimate0.2–27 ppm (Low)
Typical 1 ppm
Low, so water changes lower your tank's nitrate well.
Area estimate from nearby wells: USGS well samples in your state (2000–2022).
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)
78–388 ppm
Typical 357 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
From EPA monitoring data (2012–2018).
pH
7.5–8.6
Typical 7.7
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data (2012–2018).
- Stutsman Rural Water District and City of Jamestown add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- Stutsman Rural Water District and City of Jamestown soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Jamestown, ND
Stutsman Rural Water District
Serves 53% of residents · Groundwater (wells) · Chlorine
City of Jamestown
Serves 47% of residents · Groundwater (wells) · 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.