Chickasaw, AL tap water
Supplied mostly by Prichard Water Works Board, 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
Nitrite (NO₂)
Not detected (Low)
Not detected in testing, so any nitrite in your tank comes from the tank itself.
From EPA monitoring data (2013–2019).
Nitrate (NO₃)
Supplier's figure0.2–4.8 ppm (Low)
Typical 0.8 ppm
Low, so water changes lower your tank's nitrate well.
From the utility that supplies yours: City of Mobile, Bd. of W&S Comm. of the, which supplies Prichard Water Works Board; EPA monitoring data (2012–2025).
Chlorine or chloramine at the tap
1.4–1.6 ppm
Typical 1.5 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.
From EPA monitoring data (2013–2017).
Water chemistry
General hardness
Supplier's figure38–50 ppm
Typical 50 ppm
Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.
From the utility that supplies yours: City of Mobile, Bd. of W&S Comm. of the, which supplies Prichard Water Works Board (2025).
Carbonate hardness (alkalinity)
Supplier's figure12–68 ppm
Typical 14 ppm
Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.
From the utility that supplies yours: City of Mobile, Bd. of W&S Comm. of the, which supplies Prichard Water Works Board; EPA monitoring data (2013–2025).
pH
Supplier's figure6.5–8.3
Typical 7.1
Most community fish do well here. Stable water matters more than the exact number.
From the utility that supplies yours: City of Mobile, Bd. of W&S Comm. of the, which supplies Prichard Water Works Board; EPA monitoring data (2013–2025).
Total dissolved solids
Supplier's figure66–83 ppm
Typical 83 ppm
A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.
From the utility that supplies yours: City of Mobile, Bd. of W&S Comm. of the, which supplies Prichard Water Works Board (2025).
- Prichard Water Works Board adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Chickasaw, AL
Prichard Water Works Board
Serves 85% of residents · Buys water from City of Mobile, Bd. of W&S Comm. of the · Chlorine
Saraland, Bd of W&S Commissioners
Serves 14% of residents · Groundwater (wells) · 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.
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Compiled by Shoal & Stem from public records. Free to cite with a link.