Rain water harvesting : DESIGN CONSIDERATIONS - Printable Version

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Rain water harvesting : DESIGN CONSIDERATIONS - Niyati Gupta - 07-24-2014

DESIGN CONSIDERATIONS:

The important aspects to be looked into for designing a rainwater harvesting
system to augment ground water resources are: -

? Hydrogeology of the area including nature and extent of aquifer, soil cover, topography, depth to water level and chemical quality of ground water.

? The availability of source water, one of the prime requisite for ground water recharge, basically assessed in terms of non-committed surplus monsoon runoff.

? Area contributing run off like area available, land use pattern, industrial,
residential, green belt, paved areas, roof top area etc.

? Hydrometerological characters like rainfall duration, general pattern and
intensity of rainfall.

POTENTIAL AREAS
? Where ground water levels are declining on regular basis.

? Where substantial amount of aquifer has been de-saturated.

? Where availability of ground water is inadequate in lean months.

? Where due to rapid urbanization, infiltration of rain water into subsoil has decreased drastically and recharging of ground water has diminished.

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