Delhi to build 70 check dams in Asola Bhatti

Hindustan Times (Gurugram) - - Gurugram - Vat­sala Shrangi vat­sala.shrangi@htlive.com

NEW DELHI: The Delhi gov­ern­ment’s for­est de­part­ment is plan­ning to build over 70 small check dams in the catch­ment ar­eas of the Asola Bhatti sanc­tu­ary and the south­ern and cen­tral ridges to con­serve rain­wa­ter and pre­vent soil ero­sion.

The project aims to re­tain wa­ter in the form of small ponds that will help recharge ground­wa­ter aquifers, bring up the de­plet­ing wa­ter ta­ble and also serve as a nat­u­ral wa­ter re­source to sup­port wildlife and im­prove veg­e­ta­tion. Dur­ing mon­soon, rain­wa­ter flows out of the forests into nearby colonies and drains and nu­tri­ent-rich soil is lost due to sur­face runoff.

Ac­cord­ing to for­est de­part­ment of­fi­cials, the project has al­ready been launched at Asola sanc­tu­ary. Eleven check dams are al­ready be­ing built. These dams will help re­tain as much wa­ter as pos­si­ble, which will grad­u­ally aid in rais­ing the wa­ter ta­ble of nearby ar­eas as well. It will also im­prove the soil qual­ity and veg­e­ta­tion in the area.

“Check dams are small dams that are built to coun­ter­act ero­sion by re­duc­ing the ve­loc­ity of the flow of wa­ter. It pre­vents the soil from ero­sion dur­ing rain­fall and al­lows wa­ter to be re­tained in the form of small pools,” said Ishwar Singh, the prin­ci­pal chief con­ser­va­tor of forests and head of the for­est de­part­ment.

A se­nior for­est of­fi­cial, re­quest­ing anonymity, said that their de­part­ments has un­der­taken an ex­ten­sive sur­vey to iden­tify the catch­ment ar­eas at all three lo­ca­tions. “So far at Asola, we have iden­ti­fied around 30 sites where check dams of about 2-4 feet in height will come up. A sur­vey to iden­tify 20 more sites is go­ing on.

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