Water

India enters summer with 20% of live water storage in its reservoirs

The water level in 85 per cent of the reservoirs has dipped to 40 per cent or less height

 
By Sushmita Sengupta
Last Updated: Monday 14 May 2018

Live water storage availability in reservoirs of the southern region has dipped to 13 per cent. Credit: Wikimedia CommonsThe average live water storage in all 91 water reservoirs in India is 20 per cent and the water levels of 77 of them are at 40 per cent or less, says the latest bulletin of Central Water Commission, a monitoring agency for water levels of the reservoirs in the country.

The amount of water in these reservoirs has been steadily declining, shows an analysis of the past three months’ data. According to the report released by Central Water Commission on May 10, the water level in 77 reservoirs has dipped to 40 per cent or less height compared to the full reservoir level (FRL). Just 7 days ago, this number was 73. Two months ago, only 60 per cent of the reservoirs had been put into the ‘40 per cent or less water level’ category and now 85 per cent fall in it.

Less than a month ago, the average live water storage capacity in all the reservoirs was at 25 per cent.

The reservoirs in nine out of 18 Indian states, which house reservoirs, have seen the amount of water stored dip constantly in the last three months. The water stored in reservoirs in Himachal Pradesh, Uttarakhand, Tamil Nadu and Telengana is the least compared to other states (based on data between March and May, 2018). If compared basin wise, the reservoirs in Indus, Tapi, Krishna, Cauvery and East flowing rivers of the south are worst affected when compared with the normal storage, which is the average water storage of last 10 years.  

Live water storage of reservoirs in states where the current storage is less than normal storage

Region States Date Departure from normal storage (%)

North

HP

15.03.2018

-18

 

 

12.04.2018

-36

 

 

10.05.2018

-48

 

Punjab

15.03.2018

-38

 

 

12.04.2018

-46

 

 

10.05.2018

-37

West

Gujarat

15.03.2018

-37

 

 

12.04.2018

-36

 

 

10.05.2018

-38

Centre

UP

15.03.2018

-23

 

 

12.04.2018

-24

 

 

10.05.2018

-22

 

Uttarakhand

15.03.2018

-36

 

 

12.04.2018

-35

 

 

10.05.2018

-39

South

AP

15.03.2018

-52

 

 

12.04.2018

-55

 

 

10.05.2018

-52

 

TG

15.03.2018

-3

 

 

12.04.2018

-23

 

 

10.05.2018

-26

 

TN

15.03.2018

-63

 

 

12.04.2018

-64

 

 

10.05.2018

-65

 

Karnataka

15.03.2018

-10

   

12.04.2018

-6

   

10.05.2018

-7

Source: Central Water Commission

(For the table: Normal storage = Average of 10 years; The departure is negative when the current storage is less than the normal storage)

This data goes to show that the live storage in reservoirs in all regions except the south have dipped in the last one year, but the southern region’s current live storage is less than the average storage of the last 10 years. 

Region-wise data on current storage, storage last year and average storage of last 10 years (as of May 10, 2018)

Region Live storage available as percentage of total live storage capacity Corresponding storage of last year  as percentage of total live storage Average storage of last ten years as percentage of total live storage

Northern

18

24

26

Eastern

31

37

25

Western

20

25

25

Central

26

34

23

Southern

13

8

18

Source: Central Water Commission

This data presents an alarming picture as it shows that the reservoirs have been seeing an average reduction of 20 per cent in their water storage every month since March. This could turn scary if the country receives a delayed monsoon or below normal rainfall

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  • There is need to carry out rainwater harvesting in the basin of all rivers.During monsoons dig large pits in the centre of each river at an interval of 5 km through out the lenth of river to arrest rain water.This way ground water level will be maintained and it help to save the enviornment.Rally for Rivers intiated by Sadguru will be resounding success since water will be available through out the year.CM of each state to come forward and recce the rivers in his own area and set his targets to consrve water in river basins .Plant maximum trees along the rivers to raise the ground water level in his state.This will the greatest achievement of his tenure as CM.

    Posted by: Col C J Pal | one year ago | Reply