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Chart of Water Use |
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The following Table Of Water Use can help you determine how much water your family uses each day, and how much water you could save by replacing old appliances and fixtures and adopting some waterwise habits:
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ACTIVITY |
# OF TIMES |
ELEMENT |
WATER USED2 |
TOTAL |
B
A
T
H
R
O
O
M
ﾠ |
toilet |
5 flushes1 |
ULV toilet |
1.6 gal./flush |
8 gal. |
conventional toilet |
3.5 - 7 gal/flush |
17.5 - 35 gal. |
shower |
Once - 8 min.1 |
low-flow showerhead |
2.5 gal/minute |
20 gal. |
conventional showerhead |
3 - 8 gal/minute |
24 - 64 gal. |
bath |
Once |
tub 1/4 to 1/3 full |
9 - 12 gal. |
9 - 12 gal. |
full tub |
30 - 45 gal. |
30 - 45 gal. |
shaving |
Once |
1 full basin |
1 gal. |
1 gal. |
open tap, 5 minutes |
1.5 - 7 gpm |
7.5 - 35 gal. |
brushing teeth |
Twice |
brush and rinse |
1/4 - 1/2 gal. |
1/2 - 1 gal. |
open tap, 2 minutes |
1.5 - 7 gpm |
3 - 14 gal. |
hand washing |
Seven |
1 full basin |
1 gal. |
7 gal. |
| open tap, 1 minute |
1.5 - 7 gpm |
1.5 - 7 gal. |
K
I
T
C
H
E
N |
cooking |
Washing
produce |
1 full kitchen basin |
1 - 2 gal. |
1 - 2 gal. |
open tap, 3 minutes |
1.5 - 7 gpm |
4.5 - 21 gal. |
dishwasher |
Once - full load |
Water-conserving model |
4.5 - 7 gal. |
4.5 - 7 gal. |
standard cycle |
10 - 14 gal. |
10 - 14 gal. |
dishwashing by hand |
Once |
Full basin/wash & rinse |
2 - 4 gal. |
2 - 4 gal. |
open tap for 5 minutes |
3 - 7 gpm |
15 - 35 gal. |
M
I
S
C |
laundry |
Once |
front-loader (h-axis) |
13 - 20 gal. |
13 - 20 gal. |
| conventional top-loader |
35 - 50 gal. |
35 - 50 gal. |
car washing |
Once |
5 full, 2 gal. buckets |
10 gal/wash |
10 gal. |
Hose for 5 min. |
5/8" hose |
32 gal. |
lawn watering |
During hot dry spells, Kentucky bluegrass will need around 3/4" of water twice a week,
Turf-type tall fescue will need 1/2" - 3/4" of water twice a week*, and
Buffalo grass will need 1/2" - 3/4" every other week*
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1 AWWARF Residential End Uses of Water, 1999
2 Handbook of Water Use and Conservation, Amy Vickers, 2001 |
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