India, March 24 -- Delhi government in its economic survey report (2025-26) tabled on Monday has stated that the Sewage Treatment capacity of Delhi's STPs has been increased from 742 MGD in December, 2024 to 794.26 MGD in 2025. It adds that projects have been initiated to increase the capacity to 964.5 MGD by December 2026 including rehabilitation of old plants, and new plants at Delhi Gate and Sonia Vihar. "It will be sufficient to treat the sewage of 924.8 MGD (80% of 1156 MGD Water Supply) in future. All the STPs (existing as well as new) with total capacity of 964.5 MGD are targeted to achieve standards prescribed by DPCC i.e BOD / TSS: 10/10 mg/l by December, 2026," the report adds.

STPs are the primary tools in its attempt to clean...