Shoal & Stem
Tap water lookup

Mableton, GA tap water

Supplied by Cobb County Water System (CCWS). 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

Nitrate (NO₃)

1.1–4.9 ppm (Low)

Typical 3 ppm

Low, so water changes lower your tank's nitrate well.

Published by your utility: Cobb County Water System (CCWS)'s 2024 water quality report.

Chlorine or chloramine at the tap

0–2 ppm

Typical 2 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: Cobb County Water System (CCWS)'s 2024 water quality report.

Water chemistry

General hardness

31–33 ppm

Typical 32 ppm

Soft. Good for tetras, rasboras and most shrimp. Livebearers, snails and African cichlids prefer harder water.

Published by your utility: Cobb County Water System (CCWS)'s website.

Carbonate hardness (alkalinity)

22–26 ppm

Typical 24 ppm

Little buffering. pH can drop quickly between water changes, especially with CO₂ or an older tank.

Published by your utility: Cobb County Water System (CCWS)'s website.

pH

Not published yet

We haven't found this number yet. A drop test kit gives you your exact reading.

Who supplies Mableton, GA

  • Cobb County Water System (CCWS)

    Serves 52% of residents · Buys water from Cobb Co.-Marietta Water Auth. · Chlorine

    2024 water quality report

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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