Shoal & Stem

Devils Lake, ND tap water

Supplied mostly by Greater Ramsey Water District, 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

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)

4.8 ppm (Low)

Low, so water changes lower your tank's nitrate well.

From EPA monitoring data (2014–2017).

Water chemistry

General hardness

Area estimate

67–424 ppm

Typical 222 ppm

Hard. Ideal for livebearers and African cichlids. Soft-water species may struggle to breed.

Area estimate from nearby wells: USGS well samples in your county (2002–2018).

Carbonate hardness (alkalinity)

264–280 ppm

Typical 280 ppm

Strong buffering. pH stays steady and hard to lower without RO water.

From EPA monitoring data (2014–2017).

pH

7.9–8

Typical 7.9

Most community fish do well here. Stable water matters more than the exact number.

From EPA monitoring data (2014–2017).

Total dissolved solids

Area estimate

159–615 ppm

Typical 434 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 (2002–2018).

  • Greater Ramsey Water District and City of Devils Lake add phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies Devils Lake, ND

  • Greater Ramsey Water District

    Serves 52% of residents · Groundwater (wells) · Chlorine

  • City of Devils Lake

    Serves 46% of residents · Groundwater (wells) · 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.

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