Water Resources of the United States

1. Bath
   1. Volume of water used (circle one): (Use answer in A3 below.)
      1/3 of tub = 57 liters 1/2 of tub = 76 liters 2/3 of tub = 106 liters
   2. Number of baths taken daily: ________ per day. (Use answer in A3 below.)
   3. Daily water usage for bathtub: Al x A2 = ________ liters per day

• Toilet

1. Liters per flush: ________ liters. (Use answer in B3 below.)
   If you know your fixture is a low-volume model, enter 13 liters.
   If you do not have a low-volume model, enter 26 liters.
2. Count the number of times you flush the toilet a day: ________ per day. (Use answer in B3 below.)
3. Daily water usage from toilet: Bl x B2 = ________ liters per day

1. Shower
   1. Average length of shower: ________ minutes. (Use answer in C3 below.)
   2. Flow rate of water used in shower: ________ liters per minute. (Use answer in C3 below.)
      To measure flow rate of the water:
      1. Adjust the shower's water flow as you would normally.
      2. Record the time it takes to fill a 2-liter bottle with water.
         Convert the measurements to liters per minute. Example:

         liters per minute

         =

         60 seconds ­­­­­­­­­­­­ 1 minute

         x

         2 liters ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ time to file 2-liter bottle in seconds

   3. Average shower water, use Cl x C2 = ________ liters. (Use answer in C5 below.)
   4. Number of showers taken daily: ________ per day. (Use answer in C5 below.)
   5. Daily water use for showers C3 x C4 = ________ liters per day

2. Faucet
   1. Use the procedure described in the "Shower" section to measure your flow of water from faucets in liters per minute. (Use answer in D3 below.)
   2. Determine the time you spend running water during the day for the following:

      Toothbrushing ________ minutes per day
      Drinking ________ minutes per day
      TOTAL ________ minutes per day (Use answer in D3 below.)

   3. Daily water use from faucet: Dl x D2 (total) = ________ liters per day

3. Dishwasher
   1. Loads done for your whole family each week: ________ loads per week.
   2. El divided by 7 = ________ loads per day. (Use answer in E3 below.)
   3. Daily water used for dishwashing: E2 x 60 liters per load = ________ liters per day

4. Clothes Washer
   1. Loads done for your whole family each week: ________ loads per week.
   2. Fl divided by 7 = ________ loads per day. (Use answer in F3 below.)
   3. Daily water used for clothes washing: = F2 x 114 liters per load = ________ liters per day

TOTAL DAILY WATER USE = ________ liters per day (Add the liters per day values from each category)

Adapted from South Florida Water Management District, "Auditing Your Water Use"