- Water supply in Chennai
Chennai is one of the metros inIndia with chronic water problems which is dependent mostly on ground water supply. Ground water in Chennai is replenished by rain water and average rainfall in Chennai is 1276 mm. [ [http://www.thehindubusinessline.com/bline/2003/09/15/stories/2003091500010900.htm The Hindu Business Line : Desalination: Answer to Chennai's water woes ] ] Chennai receives about 985 million liters per day (mld) from various sources against the required amount of 1200 mld and the demand is expected to rise to 2100 mld by 2031.Lakes
Chennai receives most of its water from
Veeranam Lake ,Red Hills Lake which is treated in Kilpauk water treatment plant. Chennai metro water is responsible for collection, storage, treatment and distribution of water in Chennai. [ [http://www.chennaimetrowater.tn.nic.in/about/aboutusmain.htm Chennai metro water] ]Desalination
In an effort to alleviate the woes of chennaiites,
Tamil Nadu Government has forged into projects acquiring fresh water by desalinating sea water. The first such desalination plant located inChembarambakkam has a capacity of 530 mld. Chennai is constructing two morewater desalination plants atMinjur and Nemmeli. [ [http://www.chennaidesal.info/ Chennai water desalination] ]Minjur plant is built in 60 acres in Kattupalli village about 35 KM north of Chennai. The project is expected to be operational from 15 Jan 2009 and will supply 100 million liters of potable water to the city every day. Reverse osmosis using 273 million liters of sea water will be employed for the purification process. [ [http://timesofindia.indiatimes.com/Cities/Chennai/Pongal_gift_for_Chennaiites_Desalination_plant/articleshow/3456942.cms Pongal gift for Chennaiites: Desalination plant] ]
Contamination
The water quality in Chennai is a long way to reach International standards as outlined in this study published on April
2007 .Researcher s fromNational Environmental Engineering Research Institute , Chennai Zonal Laboratory, Chennai foundCryptosporidium oocytes in Chennai water. Cryptosporidium is an entericparasitic protozoa n capable of causingdiarrhea . [ [http://www3.interscience.wiley.com/journal/114211007/abstract Contamination] ]References
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