Franklin, TN tap water
Supplied mostly by Franklin Water Dept, plus 2 other utilities. 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)
Up to 1.5 ppm (Low)
Typically not detected
Not detected in testing, so water changes lower your tank's nitrate well.
From EPA monitoring data; Harpeth Valley U.D., which supplies Milcrofton Utility District; Harpeth Valley U.D., which supplies Mallory Valley U.D. (2014–2019).
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
7.5–7.7
Typical 7.5
Most community fish do well here. Stable water matters more than the exact number.
From EPA monitoring data; Harpeth Valley U.D., which supplies Milcrofton Utility District; Harpeth Valley U.D., which supplies Mallory Valley U.D. (2014–2019).
- Franklin Water Dept, Milcrofton Utility District and Mallory Valley U.D. add phosphate to protect pipes. It can feed algae in tanks without much plant growth.
Who supplies Franklin, TN
Franklin Water Dept
Serves 58% of residents · Lake or river water · Chlorine
Milcrofton Utility District
Serves 17% of residents · Buys water from Harpeth Valley U.D. · Chlorine
Mallory Valley U.D.
Serves 16% of residents · Buys water from Harpeth Valley U.D. · 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.