Shoal & Stem

Sapulpa, OK tap water

Supplied mostly by Sapulpa, plus 2 other utilities. 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

Up to 1.4 ppm (Low)

Typical 0.7 ppm

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

From the utility that supplies yours: Tulsa, which supplies Sapulpa Rural Water Company (2025).

Water chemistry

General hardness

Supplier's figure

89–140 ppm

Typical 89 ppm

Moderately soft to medium. Suits most community fish and plants.

From the utility that supplies yours: Tulsa, which supplies Sapulpa Rural Water Company.

Carbonate hardness (alkalinity)

70–116 ppm

Typical 75 ppm

Moderate buffering. pH should stay fairly steady.

From EPA monitoring data; Sapulpa and Tulsa, which supplies Sapulpa Rural Water Company; Creek Co RWD # 1, which supplies Consolidated RWD #3 Creek Co, measured before treatment (2012–2019).

pH

Supplier's figure

7.5–8.5

Typical 8

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

From the utility that supplies yours: Tulsa, which supplies Sapulpa Rural Water Company (2025).

  • Sapulpa, Sapulpa Rural Water Company and Consolidated RWD #3 Creek Co add phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies Sapulpa, OK

  • Sapulpa

    Serves 66% of residents · Lake or river water · Chlorine

  • Sapulpa Rural Water Company

    Serves 13% of residents · Buys water from Sapulpa · Chloramine

  • Consolidated RWD #3 Creek Co

    Serves 7% of residents · Buys water from Creek Co RWD # 1 · 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.

More Oklahoma cities

Look up another city