India, Nov. 29 -- The Delhi Development Authority (DDA) is set to clean the Bhalswa lake located next to Bhalswa landfill site in north Delhi to improve sanitation and water quality around the dump site, officials said on Friday.

The year-long bioremediation and cleaning project is estimated to cost Rs.1.2 crore, officials said, adding that the authority will hire a contractor to ensure daily maintenance and water treatment over the next year.

"The agency will have to ensure biological treatment of lake water, aimed at reducing odour and algal growth and bringing parameters such as biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), pH, nitrates and phosphates within specified limits. The agency ...