India, Dec. 31 -- Over 200 private housing societies in Greater Noida and Greater Noida West have come under scrutiny for alleged lapses in operating sewage treatment plants (STPs) amid concerns over untreated wastewater discharge and poor reuse practices, officials said on Wednesday.

Notices have been issued to 202 builder societies, seeking details on the STP capacity, operational status and reuse of treated water, particularly for horticulture and landscaping purposes, said an official statement.

The societies have been asked to respond within a week, failing which on-site inspections will follow, officials said.

"Societies have been asked to clearly indicate if their STPs are functional and whether treated water is being reused for...