Extra Math Answers - LearnH2O

Extra Math Answers

  1. Calculate the pond surface area using the following information. Length = 400 feet, Width = 300 feet, Depth = 8 feet.
  2. Using the following information, what is the pond volume in gallons? Length = 500 feet, Width = 200 feet, Depth = 6 feet
  3. If a pond is 675’ long and 420’ wide, how much water is pumped from the pond if the level drops 3 feet?
  4. Calculate the ponds detention time in days using the following information. Surface area = 4 acres, Depth = 4 feet, Flow = 60,000 gal/day.
  5. Calculate the ponds organic loading in lbs. BOD/day/acre. Pond surface = 6.2 acres, Flow = 0.05 gal/day, BOD = 220 mg/L.
  6. If a ponds volume is 5.2 MG and the influent flow is 0.05 MGD, what is the detention time of the pond in days?
  7. If a wet well is 10’ x 14’, how long would it take to lower the level 4 feet with a 250 gpm pump?
  8. How much water is in a well if the 18” casing has 75’ of water in it?