Shoal & Stem
Tap water lookup

Oak Creek, WI tap water

Supplied by Oak Creek Waterworks. 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

Nitrite (NO₂)

Not detected (Low)

Not detected in testing, so any nitrite in your tank comes from the tank itself.

From EPA monitoring data (2012–2019).

Nitrate (NO₃)

Not published yet

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

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)

110 ppm

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

From EPA monitoring data (2012–2019).

pH

Not published yet

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

Who supplies Oak Creek, WI

  • Oak Creek Waterworks

    Serves 82% of residents · Lake or river water · 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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