Shoal & Stem
Tap water lookup

Amarillo, TX tap water

Supplied by Amarillo Municipal Water System. 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)

Up to 0.23 ppm (Worth knowing)

Typical 0.23 ppm

Some nitrite shows up in this tap water, which can happen in chloramine systems, and it goes into the tank with each water change.

Published by your utility: Amarillo Municipal Water System's 2025 water quality report.

Nitrate (NO₃)

4.4–6.4 ppm (Low)

Typical 5.4 ppm

Water changes can't take your tank's nitrate below this level.

Published by your utility: Amarillo Municipal Water System's 2025 water quality report.

Chlorine or chloramine at the tap

0.4–2.7 ppm

Typical 1.6 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.

Published by your utility: Amarillo Municipal Water System's 2025 water quality report.

Water chemistry

General hardness

169–254 ppm

Typical 249 ppm

Hard. Ideal for livebearers and African cichlids. Soft-water species may struggle to breed.

Published by your utility: Amarillo Municipal Water System's website.

Carbonate hardness (alkalinity)

177–206 ppm

Typical 181 ppm

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

From EPA monitoring data (2012–2019).

pH

7.4

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

From EPA monitoring data (2012).

Who supplies Amarillo, TX

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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