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9th International Rainwater Catchment Systems Conference
"Rainwater Catchment: An Answer to the Water Scarcity of the Next Millennium."
Petrolina, Brazil - July 1999

Section 4: Technology of Rainwater Catchment Systems

Paper 4.19

Underground Dams: A Pernambuco (Brazil) Experience

José Almir Cirilo & Waldir Duarte Costa
Professor do Departamento de Engenharia Civil
Grupo de Recursos Hídricos da Universidade Federal de Pernambuco.


During the past 7 years, NGOs as well as governmental agencies carried out many experiments with underground dams in the State of Pernambuco. Currently there are about 500 of these underground dams in operation, as well as another 500 built by technicians. The largest dams have a depth of 10 m and they can hold about 80.000 m3. This volume is large enough to assure provisions for up to 500 families, or provide irrigation for 15 ha. This paper deals with the potentials of this type of water reservation.

PDF of full document (10pp, 380kb)

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