46
FEATURE
Day Zero still casts
a long shadow
By Eamonn Ryan
Like mobile telephony two
decades ago, the ultimate
market size for rainwater
harvesting and filtrations
systems is unknown.
Day Zero in Cape Town proved to be the catalyst for
sharply increased residential demand for rainwater
harvesting (RWH) systems with local suppliers of
tank and filtration systems reporting exponential
growth over the past year.
Figures of water tank sales supplied by the industry body, the
Association of Rotational Moulders of Southern Africa, shows
that growth in 2018 was 28.7%. Demand has doubled in the
past several years, from 16 401t in 2010 to 32 000t in 2018.
The most important rainwater harvesting we do is capturing river flows in our dams.
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Build It, a network of 300 hardware stores, reported
that its sales of JoJo Tanks increased by 500% over
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February 2020 Volume 25 I Number 12