Shoal & Stem

Dakota Dunes, SD tap water

Supplied by Dakota Dunes Cid. Here's what its 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 figure

Up to 4.4 ppm (Low)

Typically not detected

Not detected in testing, so water changes lower your tank's nitrate well.

From the utility that supplies yours: Sioux City Water Supply, which supplies Dakota Dunes Cid (2012–2019).

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)

Supplier's figure

330 ppm

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

From the utility that supplies yours: Sioux City Water Supply, which supplies Dakota Dunes Cid (2013).

pH

Not published yet

We haven't found this number yet. A drop test kit gives you your exact reading.

  • Dakota Dunes Cid adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
  • Dakota Dunes Cid softens its water at the plant, so it may be softer than the local groundwater.

Who supplies Dakota Dunes, SD

  • Dakota Dunes Cid

    Serves all residents · Buys water from Sioux City Water Supply · 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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