You want to raise 2 acres an inch per day?
Two acre-inches is .17 acre-feet.
.17 acre-feet is about 60,000 gallons.
There are 1,440 minutes in a day.
60,000 divided by 1,440 is about 42 gpm.
This is what you'd need in addition to what you lose to evaporation and seepage.
Bruce S.