Wherever it is provided in this Chapter that steps shall or may be taken for the effectual drainage of any premises, it shall be competent to the Board to require that there shall be one drain for filth and polluted water and connecting to Board sewer and an entirely distinct drain for rain water and unpolluted sub-soil water or both rain water and unpolluted sub-soil water, emptying into rain water harvesting system, Bruhat Bangalore Mahanagara Palike drain or other suitable places.] 1
1. Substituted by Act 15 of 2010 w.e.f. 16.04.2010.
1[2[3[72A. Obligation to provide rain water harvesting structure.- (1) Every owner who proposes to construct a building on a sital area of not less than 108 square meter shall provide rain water harvesting structure for storage, for use or for ground water recharge in such manner and subject to such conditions as may be provided in the regulations and guidelines issued by the Board.
(2) Every owner or occupier of a building having sital area of not less than 216 square meter and not more than 1000 square meter, who has not provided rain water harvesting structure before the commencement of the Bangalore Water Supply and Sewerage (Amendment) Act, 2021, shall provide rainwater harvesting structure for storage, for use and for ground water recharge subject to such conditions as may be specified in the regulations.
(3) Every owner who proposes to construct a building on sital area of not less than 1000 square meter or a owner or occupier of a building having sital area of not less than 1000 square meter who has not provided rain water harvesting structure before the 36 commencement of the Bangalore Water Supply and Sewerage (Amendment) Act, 2021 shall provide dual piping system and rain water harvesting structure for storage and for use, other than drinking, cooking and bathing purpose, based on roof area and ground water recharge based on paved and unpaved areas in such manner and subject to such conditions as may be provided in the regulations and guidelines issued by the Board.
Explanation.- For the purpose of this section,-
(a) “rain water harvesting” means collection and storage of rain water from roof top of a building or from a vacant land for use or for ground water recharge; and
(b) “ground water recharge” means recharging of open well or the bore well or the underground water as the case may be, by use of harvested rain water.]3]2]1
1. Substituted by Act 5 of 2011 w.e.f. 05.02.2011.
2. Substituted by Act 25 of 2016 w.e.f 01.08.2016.
3. Substituted by Act 29 of 2021 w.e.f. 07.10.2021