Tamil NaduTuesday, 7 July 2026·Hindu Tamil Thisai
Tamil Nadu desalination expansion: 400 MLD Perur plant, 59-km pipeline and 22.67 lakh beneficiaries
The Chief Minister inspected the Nemmeli and Perur desalination projects, including a 400 MLD plant and 59-km pipeline work.
Key highlights
Direct fact
In July 2026, the Tamil Nadu Chief Minister inspected the Nemmeli and Perur desalination projects in Chengalpattu district, including a new 400 MLD plant and 59 km of drinking-water pipelines from Perur to Porur.
Key specifics
- Two existing desalination plants at Nemmeli have capacities of 110 MLD and 150 MLD per day.
- The Nemmeli plants currently benefit about 20 lakh people in South Chennai areas.
- The Perur desalination plant is being built at a cost of ₹5,814 crore with a planned capacity of 400 million litres per day.
- Construction work on the new plant was reported to be about 70% complete when the Chief Minister inspected it.
- Once operational, the Perur plant is expected to benefit about 22.67 lakh people in Chennai Corporation, Tambaram Corporation and 20 surrounding panchayats.
Exam lens
TN state development question type: water supply projects, desalination capacity, urban infrastructure. TNPSC may ask about Nemmeli, Perur, 400 MLD, ₹5,814 crore, 59 km pipeline and 22.67 lakh beneficiaries.