Nemmeli desalination plants to ramp up production amid dipping storage in Chennai’s reservoirs
Chennai Metrowater is ramping up production at the Nemmeli desalination plants to address falling water levels in city reservoirs. The agency is replacing reverse osmosis membranes to restore full capacity and expects the upcoming monsoon to improve storage levels.
Why it matters
It illustrates the critical role of desalination technology in managing urban water security amidst climate-induced resource scarcity.
With storage in the city reservoirs falling sharply, Chennai Metrowater is looking to optimise its available water resources to maintain a stable daily water supply. This includes maximising production from the desalination plants at Nemmeli.
Works to replace reverse osmosis membranes, a crucial component in the desalination process, would be completed at the 110-mld and 150-mld Nemmeli desalination plant by October end and November end respectively, according to Metrowater.
The five reservoirs supplying drinking water to the city currently have a combined storage of nearly 36.3% of their total capacity as on Thursday (October 8). Their combined storage is nearly 3,840 million cubic feet of storage lower than the storage recorded on the same day last year.
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