Oakland, OK tap water
Supplied mostly by Marshall County Rural Water District #2, plus 1 other utility. 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)
Supplier's figureNot detected (Low)
Not detected in testing, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Madill, which supplies Oakland Pwa (2012).
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)
114–120 ppm
Typical 117 ppm
Strong buffering. pH stays steady and hard to lower without RO water.
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.
Who supplies Oakland, OK
Marshall County Rural Water District #2
Serves 38% of residents · Lake or river water · Chlorine
Oakland Pwa
Serves 34% of residents · Buys water from Madill · 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.