That varies depending mostly on latitude. The best way to know the answer for where you are is to find out the local minimum required depth for water pipes.
6015.77 gallons
An in-ground pool that is 40 feet by 20 feet with the shallow end being 3ft deep and the deep end being 9ft deep has a volume of approximately 35,900 US gallons. (The depth of variable depth pools is generally calculated by adding the shallow and deep ends and dividing by two).
3.4 miles deep
20000
26 square feet.
6015.77 gallons
Approximately 20016.7 liters
2,000 feet deep
You need to provide information on the area of the pool as well.
An in-ground pool that is 40 feet by 20 feet with the shallow end being 3ft deep and the deep end being 9ft deep has a volume of approximately 35,900 US gallons. (The depth of variable depth pools is generally calculated by adding the shallow and deep ends and dividing by two).
36,569 feet deep
100 feet into the ground
1,943 feet.
Answer: 12999 m = 42,647.6 feet deep OR 42,647 ' and 7.65 "
The Ground Beneath Her Feet has 592 pages.
how many gallons of water does a swimming pool 15 feet by 4 feet deep hold
It would be 2,178 feet deep x 200 feet wide.