Dams

South India Rivers Review 2017: More Water for Cities from Drying Rivers

This fourth rivers review presents developments related to rivers in States of South India including Telangana, Andhra Pradesh, Karnataka. 

Telangana Rivers 2017

Manair River Garbage polluting Manair river The shores are being polluted by the Municipal Corp of Karimnagar (MCK), which is dumping garbage generated from the town. Other private agencies such as chicken centres, hotels, private hospitals, mechanical shops and others too are also dumping garbage generated at their places into the river Manair. The State Govt had decided to develop the Manair front on the lines of Sabarmati river front development, which would spell further disaster for the river.  http://www.thehindu.com/news/national/telangana/Garbage-polluting-Manair-river/article17113713.ece (The Hindu, 30 Jan. 2017)

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Dams

DAM BUILDING MUST BE HALTED FOR A SAFE AND SECURE WORLD

Guest Blog by Manoj Misra

Rivers in different parts of the world have been dammed to fulfill human needs like water for irrigation, industries and domestic supplies. Then there are dams that have been raised to control floods or to produce electricity.

These have often been celebrated as human victory over nature, glorified as engineering marvel and claimed variously as highest, longest etc as a matter of national pride.

But rarely has there been a holistic assessment or appreciation of what a dam does to the natural entity called river and its adverse impacts on all the associated life forms, including humans.

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Dams

Rajasthan Rivers Profile

About Rajasthan

Location: North West India; Area:- 342,239 sq km; Geography:-Desert plains and mountainous (Aravalli range); Population:- 68.54 million People; Rivers:- 6 Major River basins; Districts:-33 Districts; Climate:- Drier Western and Tropical Eastern part

About Rajasthan Rivers 

Rivers in Rajasthan are mostly seasonal, but this fact explains little because a river is not just the surface flow, evident to a naked eye. All the rivers and their floodplains in this desert state are vast grazing grounds supporting millions of livestock. These unseen rivers also recharge the groundwater making well irrigation possible.  

Modern-day development activities, however, are putting an enormous pressure on them. If deforestation has reduced the water flow, rampant sand mining has affected the water retention and seepage into subsurface channels. Aravallis also has large number of marble mines and processing units. While digging operations extensively damage the environment, discharge of a large amount of slurry by processing units also blocks water channels. Industrial and domestic wastewater has further affected the quality and biodiversity of rivers. 

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Dams · Karnataka

Karnataka: Profile of 2015-16 Drought

Karnataka is witnessing drought for the third successive year; rainfall has been deficient since 2012-13. Because of the rainfall deficit, reservoirs did not fill up completely. Coupled with the hot summer temperatures in March and April 2016, the stored water has now almost depleted. Groundwater, the saviour in times of failure of rainfall, has dipped severely because of years of reckless exploitation for irrigating water guzzling crops in semi arid soils. With even drinking water becoming scarce, agricultural activity has come to a standstill in the region. The drought in 2015 was preceded by unseasonal rains damaging the previous harvest. The monsoon deficit led to a dip in kharif output throughout the State in 2015.  The drought spread even to the normally lush Cauvery basin prompting digging and deepening of borewells. While southern Karnataka received some heavy rains in November, districts in Northern Karnataka again saw failure of rains with some districts such as Kalaburagi, Koppal and Yadgir registering over 70% deficiency in rainfall. There has been a near complete failure of crops in Northern Karnataka, with both rabi and kharif crops being wiped out, even as area under sugarcane has gone up! The northern region, which also lags in development indices, is in the clutches of rural distress – over a thousand farmers have committed suicide. Mass migration to cities is being witnessed.

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