Nemmeli, Desalination (RO), Chennai, India
Client:Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB)
Location:Chennai, India
Capacity:100,000 m3/d


  • A Joint Venture led by WABAG Ltd. was awarded the contract for the design, construction and operational management of India‘s largest seawater RO desalination plant. The plant converts sea water into fresh potable water which is supplied to one million people from the southern suburbs of Chennai. 
  • DBO project: WABAG also takes care of O&M for a period of seven years.

Main Components:

  • Sea water intake
  • Upflow filtration
  • Disc filters
  • Ultrafiltration
  • Reverse Osmosis
  • Limestone Filters




Desalination plant at Nemmali near Chennai.