Shoal & Stem

St. Augusta, MN tap water

Supplied by Saint Augusta. 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 1.12 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

0.04–1.36 ppm (Worth knowing)

Typical 1.12 ppm

This is what a conditioner frees when it breaks the chloramine apart. A cycled filter clears it within a day; a big water change in a new or very small tank adds more of it at once. Some conditioners also bind ammonia for a day or so.

Estimated from the chloramine level Saint Augusta reports (2018).

Nitrate (NO₃)

Not published yet

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

Chlorine or chloramine at the tap

0.1–5.6 ppm

Typical 4.6 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 (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

170 ppm

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

From the utility that supplies yours: Saint Cloud, which supplies Saint Augusta (2012–2019).

pH

Not published yet

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

  • Saint Augusta softens its water at the plant, so it may be softer than the local groundwater.

Who supplies St. Augusta, MN

  • Saint Augusta

    Serves 49% of residents · Buys water from Saint Cloud · 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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