Shoal & Stem

Henryetta, OK tap water

Supplied mostly by Henryetta Municipal Authority, plus 1 other utility. Here's what the water means for your fish.

Disinfectant

Chlorine or chloramine

Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.

Safety for fish and shrimp

Nitrate (NO₃)

Supplier's figure

Not detected (Low)

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

From the utility that supplies yours: Okmulgee Pwa, which supplies Okmulgee Co. RWD #1 (2015).

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)

26 ppm

Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.

From EPA monitoring data, measured before treatment (2012–2019).

pH

Not published yet

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

  • Henryetta Municipal Authority adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies Henryetta, OK

  • Henryetta Municipal Authority

    Serves 89% of residents · Lake or river water · Chlorine

  • Okmulgee Co. RWD #1

    Serves 6% of residents · Buys water from Okmulgee Pwa · 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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