, 11 tweets, 6 min read Read on Twitter
Thread - Way forward for #Chennai

Some of you might have come across my article on #ChennaiWaterCrisis n solutions that I had proposed. In this thread, I will roughly explain why I chose 5 solutions n discarded 2

Read: ow.ly/tbB450uMvxI

Pl read n RT
Sol 1: #RainWaterHarvesting - Chennai has urbanized pretty fast n percolation into ground is getting reduced. Building wise RWH is one,but we need RWH in public spaces like bus stands etc; Every year Corporates spend a lot of CSR which could be used

Sol 2: #WasteWaterReuse - Currently most of the sewage is going to the sea via Cooum,Adyar rivers, Buckingham canal or ending in the lakes. This water could be reused through decentralized sewage treatment and reuse system

Sol 3: #Protect Flood plains and Lakes - Our Master plans still dont deal effectively with flood plains which could help retain our water and also act as buffers during floods. NEM is not faraway n city would be flooded again! Tweet shows plight

Sol 4: #OpenData - Most of our researchers, academics, and experts are not able to comment about Chennai because of lack of data in public domain which we should rectify. I was able to create visuals related to the lakes' drop in level because @Copernicus provided open data

Sol 5: #Efficiency - Irrigation is the largest consumer of water. Crisis is not limited to Chennai or urban area-More than 3800 lakes are dry in three districts; Irrigation efficiency has to be improved; Banking n insurance sector should weigh in investment solutions

No 6: Not recommending #Desalination plants which provide d water needed but it needs lot of investment n electricity. Electricity production also needs power n hence power itself wouldn't be much available during water crisis
Refer @krishnandeepak1's wri.org/publication/pa…

No 7: Not recommending #Interlinking; Other watersheds in the region themselves are facing water scarcity issues (Krishna, Cauvery); Godavari is likely to follow suite post Kaleshwaram and Polavaram; Krishna didn't provide any relief this year and cauvery wouldn't next year

I didn't talk about administrative issues (jurisdictions n lack of local bodies) for now. Most of other solutions provided above are long-term n wouldn't put much pressure on stakeholders. And they could solve related issues also (sewage, water quality, rural distress etc)

electricity production also needs water*
@CopernicusEU got the handle wrong 😁
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