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RAINWATER
HARVESTING
Rainwater harvesting systems specifically
fitted for school roofs and gutter pipes
can harvest 73,000l of rain in a 90mm
downpour over 48 hours from a roof with
an area of 8 x 47m leading into a series of
water tanks. In schools that subscribe to
green principles, once the tanks reach their
capacity, the excess water overflows into a
swale mound that feeds water to trees, shrubs
and ground covers planted along the swale
mound above the school’s vegetable garden.
This combination of water access and food
production in an educational environment
provides future generations with a culture of
rainwater harvesting, food production and
environmental sustainability.
© SUSTAINABLE SANITATION ALLIANCE