Shoal & Stem
Tap water lookup

Alpharetta, GA tap water

Supplied by Fulton County Department of Public Works. 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)

0.7 ppm (Low)

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

Published by your utility: Fulton County Department of Public Works' 2024 water quality report.

Copper at home taps (first draw)

0.15 ppm (Worth knowing)

The 90th percentile of first-draw samples from homes: water that sat in household pipes for at least six hours.

Shrimp and snails are sensitive to copper. Water that sits in household pipes picks up the most; it drops once the tap has run for a minute.

Published by your utility: Fulton County Department of Public Works' 2024 water quality report.

Chlorine or chloramine at the tap

0–2.2 ppm

Typical 0.7 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: Fulton County Department of Public Works' 2024 water quality report.

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)

Not published yet

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

pH

Not published yet

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

Who supplies Alpharetta, GA

  • Fulton County Department of Public Works

    Serves 97% 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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