Mithi River Package 3 Gets ₹1,800-Crore BMC Push

PMC Tender Invited to Oversee Major Mithi River Works

The Brihanmumbai Municipal Corporation (BMC) has invited tenders to appoint a Project Management Consultant (PMC) for Package 3 of the Mithi River Rejuvenation Project, estimated at ₹1,800 crore. The major package covers the Kurla to Mahim stretch and is focused on reducing untreated sewage entering the river and improving protection against tidal flooding.

The project has a December 2029 completion target. However, the rehabilitation of nearly 2,000 affected families across areas including Dharavi, Kurla, Sakinaka and Vakola remains one of the biggest challenges for timely execution.

The proposed PMC will play a key role in keeping the project on schedule. Its responsibilities will include reviewing designs prepared by the Design-Build-Operate (DBO) contractor, supervising construction, managing contracts, resolving technical issues and monitoring the overall progress of the work.

₹1,800-Crore Package Covers Kurla-Mahim Stretch

Package 3 covers the section of the Mithi River between the CST Road bridge and Mahim Causeway. The project aims to address around 309 million liters per day (MLD) of untreated sewage currently entering the river.

Several major infrastructure works are planned under the package. These include 18 gate-pump systems, sewage interception and diversion facilities, a large sewage pumping station, sewer networks, retaining walls and service roads along the river.

The PMC will supervise the project from the design stage through construction, commissioning and operation and maintenance activities. It will also coordinate with contractors, examine technical documents, review surveys and flow studies, and monitor construction quality, safety, costs and deadlines.

The consultancy contract is estimated at ₹10.60 crore for a period of 64 months, including the monsoon season.

Rehabilitation of Nearly 2,000 Families

The rehabilitation process is expected to require significant coordination because thousands of residents may be affected by the planned infrastructure work.

Families located in Dharavi, Kurla, Sakinaka and Vakola are among those expected to be covered by the rehabilitation process. The civic body faces the task of completing this work while continuing with major construction activities under the project timeline.

The PMC will also help the BMC maintain project records, coordinate different agencies and provide technical and specialized advice throughout the implementation period.

Flood Control and Sewage Treatment at the Core

Package 3 was awarded to an Adani Group-led consortium in November 2025. The project is designed to address two major issues affecting the Mithi River: tidal backflow and untreated sewage.

A major sewage pumping station is planned near Machhimar Colony in Mahim. A dry-weather flow interceptor will also be developed to capture sewage before it reaches the river and divert it toward the Dharavi sewage treatment plant.

The planned 18 gate-pump systems will help control tidal water entering the Mithi River and nearby drainage networks. During heavy rainfall, the systems will also support the pumping of excess water out of the river system.

Areas such as Kurla and LBS Marg, which have faced flooding concerns, are expected to benefit from improved flood management infrastructure.

New Infrastructure to Strengthen the River

The sewage management system will intercept flows from selected nullahs and outfalls before they discharge into the Mithi. The collected sewage will then be redirected into the municipal sewer network for treatment.

The project also includes retaining walls to strengthen riverbanks and service roads to provide better access for maintenance and operational activities.

With multiple civil, sewage and flood-control components being implemented together, effective project management will be important to maintain construction quality and meet the December 2029 deadline.

Mithi River Stretches 17.8 Kilometers

The Mithi River begins near Vihar Lake in Powai and runs for about 17.8 kilometers before reaching the Arabian Sea at Mahim Causeway.

Around 11 kilometers of the river, from Filter Pada in Powai to the CST Road bridge in Kurla, comes under the BMC. The remaining approximately six kilometers toward Mahim Causeway falls under the Mumbai Metropolitan Region Development Authority (MMRDA).

The latest PMC tender marks another step toward advancing Package 3, with sewage control, flood protection, riverbank improvement and rehabilitation forming the major focus areas of the project.