Shoal & Stem

Minneota, MN tap water

Supplied by Minneota. Here's what its 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 about 0.44 ppm of ammonia here. Some utilities switch to plain chlorine for a few weeks a year.

Safety for fish and shrimp

Ammonia (with conditioner)

Estimate

0.41–0.46 ppm (Low)

Typical 0.44 ppm

This is what a conditioner frees when it breaks the chloramine apart. A cycled filter clears it within a day.

Estimated from the chloramine level Minneota reports (2012–2018).

Nitrate (NO₃)

Supplier's figure

Up to 7.5 ppm (Low)

Typical 3.1 ppm

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

From the utility that supplies yours: Osceola Rural Water System-North and Brookings-Deuel Rural Water System and Lewis and Clark Regional Water Syste, which supplies Minneota (2012–2019).

Chlorine or chloramine at the tap

1.7–1.9 ppm

Typical 1.8 ppm

At tap levels, chlorine and chloramine are toxic to fish, shrimp and the bacteria in a filter. Water conditioners are made for this range.

From EPA monitoring data (2012–2018).

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

246–252 ppm

Typical 249 ppm

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

From the utility that supplies yours: Osceola Rural Water System-North, which supplies Minneota (2016).

pH

7.3

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

From EPA monitoring data (2012–2019).

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

Who supplies Minneota, MN

  • Minneota

    Serves 85% of residents · Buys water from Lincoln-Pipestone Rural Water System · 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.

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