India, May 27 -- More than 400 houses in the Housing Board Colony of Sector 31 have been receiving muddy water supply with a foul odour for the past three days, residents alleged, raising concerns over contamination and public health risks ahead of the monsoon.

Residents said the issue began after pump operators of the Municipal Corporation of Gurugram (MCG) circulated a notice on May 22 informing people about cleaning of underground water tanks in the area.

The Housing Board Colony, spread across nine acres, has 474 houses and around 1,200 residents. According to residents, the problem started on Saturday after the water supply was disrupted due to the proposed cleaning work.

"We received a message in our groups saying the water suppl...