Union City, OK tap water
Supplied mostly by Canadian Co Water Authority, plus 2 other utilities. Here's what the water means for your fish.
Disinfectant
Chloramine
Your water is treated with chloramine. Unlike chlorine, it doesn't gas off when water sits out, and many pitcher and fridge filters aren't rated to remove it. Conditioners that list chloramine on the label break it apart, which frees a little ammonia. Some utilities switch to plain chlorine for a few weeks a year.
Safety for fish and shrimp
Nitrate (NO₃)
Supplier's figure0.4–3 ppm (Low)
Typical 0.4 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: Oklahoma City, which supplies Canadian Co Water Authority; Oklahoma City, which supplies Union City; Oklahoma City, which supplies Canadian Co Rws & Swmd #5 (2025).
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)
Supplier's figure38–53 ppm
Typical 44 ppm
Moderate buffering. pH should stay fairly steady.
From the utility that supplies yours: Oklahoma City, which supplies Canadian Co Water Authority; El Reno, which supplies Union City; El Reno, which supplies Canadian Co Rws & Swmd #5 (2012–2019).
pH
Not published yet
We haven't found this number yet. A drop test kit gives you your exact reading.
- Canadian Co Water Authority, Union City and Canadian Co Rws & Swmd #5 add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
- Canadian Co Water Authority, Union City and Canadian Co Rws & Swmd #5 soften their water at the plant, so it may be softer than the local groundwater.
Who supplies Union City, OK
Canadian Co Water Authority
Serves 59% of residents · Buys water from Oklahoma City · Chloramine
Union City
Serves 32% of residents · Buys water from El Reno · Chloramine
Canadian Co Rws & Swmd #5
Serves 10% of residents · Buys water from El Reno · 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.