Spiro, OK tap water
Supplied mostly by Spiro, plus 2 other utilities. Here's what the 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
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)
21 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From EPA monitoring data; Poteau Valley Improvement Authority, which supplies Spiro East Water Association, measured before treatment; Poteau Valley Improvement Authority, which supplies Leflore Co. RWD #14, 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.
- Spiro East Water Association and Leflore Co. RWD #14 add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- Spiro softens its water at the plant, so it may be softer than the local groundwater.
Who supplies Spiro, OK
Spiro
Serves 53% of residents · Lake or river water · Chlorine
Spiro East Water Association
Serves 32% of residents · Buys water from Poteau Valley Improvement Authority · Chlorine
Leflore Co. RWD #14
Serves 9% of residents · Buys water from Poteau Valley Improvement Authority · 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.