India, June 15 -- The district administration is undertaking a comprehensive cleaning of all underground water reservoirs amid rising concerns over water quality and related health risks in Greater Noida, officials said on Friday. Of the city's 19 reservoirs, 14 have been cleaned so far, and the remaining five will be covered by July 6, according to a schedule issued by the water department.

"The cleaning of underground reservoirs is being carried out as per the pre-decided schedule. Water department officials have been instructed to ensure that the work is completed on time without compromising on hygiene standards," said Prerna Singh, additional chief executive officer (ACEO), after inspecting progress on Thursday.

To minimise disrupt...