Endangered Waters - Greenpeace
Endangered Waters - Greenpeace
Endangered Waters - Greenpeace
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<strong>Endangered</strong> <strong>Waters</strong><br />
<strong>Greenpeace</strong> India<br />
41<br />
River Wainganga<br />
then carried out for the three scenarios for the<br />
period of 1969 to 2005.<br />
An extract of these results (for the years 2002<br />
to 2004) for virgin present baseline and future<br />
conditions are shown in figure 6, allowing<br />
comparison between stream flow regimes for<br />
the three indicated developmental scenarios.<br />
The future trace does not include water<br />
requirements of thermal power plants.<br />
In its virgin state, the river Wardha has an<br />
annual mean flow of 3,679.19 MCM.<br />
With the commissioning of projects, namely<br />
(i) Lower Wunna, (ii) Bor, (iii) Dham, (iv) Upper<br />
Wardha Dam, (v) Vadgaon Dam, (vi) Malkhed<br />
Project, and (vii) Pothara, the annual mean<br />
flow at the basin outlet shows a reduction<br />
from 3,679.19 MCM to the ‘present’ state of<br />
1,857.01 MCM.<br />
With the construction of reservoir projects,<br />
namely (i) Bembla Project, (ii) Lal Nala, and (iii)<br />
Lower Wardha dam, the annual mean flow at<br />
the basin outlet as simulated by the hydrologic<br />
model shows a further reduction of annual flow<br />
to 1,419.42 MCM. This is the future state, not<br />
accounting for water requirements of thermal<br />
power plants.<br />
by the various thermal power plants that are<br />
at various stages of the approval process,<br />
there would be practically very little water<br />
available and management of the facilities, with<br />
any stated dependability level would require<br />
storage capacities to be created to cater to the<br />
additional demands.<br />
Table 11 presents some of the important<br />
statistics derived from model-simulated runoff<br />
for present and future conditions respectively.<br />
The statistics are based on averages<br />
computed for two horizons, namely (i) 1981-<br />
1992, and (ii) 1993-2004.<br />
The future demands on the river are clearly<br />
shown to cause a reduction from the present<br />
condition in the amount of water available<br />
in the river, across both time horizons. It is<br />
pertinent to note that the average annual<br />
precipitation for the years 2001-2004 horizon<br />
is also over 26% less as compared with the<br />
average annual precipitation for the horizon<br />
from 1970-1980.<br />
For the additional projected demand for<br />
552.52 MCM of water expected to be made
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