MIL-HDBK-1165
2.4
Typical Water Uses. Figures 4 and 5 show a typical
breakdown of water consumption for residential houses and
office/administration buildings, respectively. These particular
percentages represent water usage for the city of San Jose,
California, but should closely resemble water usage in most
locations. Ordinarily, military installations will have a
majority of residential or administrative buildings. Notice that
for both, the largest use of water is for personal hygiene,
specifically, bathroom and restroom usage. These areas should
therefore be the first targets for water conservation. Other
areas ripe for conservation include landscaping, cooling and
heating equipment, and laundries.
O
Consumers
ffice/Administration Buildings
Cooling &
Landscaping
25%
30%
Restrooms
45%
Figure 5
Typical Water Usage in Office/Administration Buildings
2.5
Typical Water Abuses. Other than concentrating
immediately upon your plumbing fixtures, many installations can
find significant water savings in other areas. Cooling systems
that are once-through systems, where the water is passed through
the system once and then straight to the sewer, are extremely
wasteful, costly, and in use throughout the military as well as
private sector. Freeze protection systems, in many cases,
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