The Kalpasar Project envisages building a dam across the Gulf of Khambat for generating tidal power and for establishing a huge reservoir for fresh water for irrigation, drinking and industrial purposes. A 10 lane road link will also be set up over the dam, greatly reducing the distance between Saurashtra and South Gujarat.

Objectives:

Gujarat is a water deficient State.It occupies 6.4 % of land area of the country and has 5% of the country’s human population,but its surface water resource is only 2% of the country. The per capita per annum water availability is 990 cubic meter in the State which is much below the minimum requirement of 1700 cubic meter. Every year, 38000 million cubic meter average surface water is available in the State.However, even after including Sardar Sarovar Project (SSP), only 20480 million cubic meter (54%)is possible to store. There is no suitable site of land in the State, available for the creation of river valley project to store surplus / untapped above 40% surface water. In such a circumstance, the Gulf of Khambhat is an eligible option to creat a reservoir by construction of a Gulf closure dam which can store about 10,000 million cubic meter water inflows of the rivers (Narmada, Dhadhar, Mahi, Sabarmati and some of the Saurashtra rivers), which accounts for 25% of total surface water resources of Gujarat. Creation of this fresh water reservoir does not involve any land acquisition or rehabilitation of people, and will serve as a life line of the Saurashtra region as well as an accelerator for the growing economic activities of Gujarat State.

The Gulf of Khambhat extends from north to south about 200 km and the width varies from 25 km at the inner end to 150 km at the outer mouth,covering an area of @ 17000 sq.km, of which only 2000 sq. km will be enclosed by constructing a dam across the Gulf between Bhavnagar and Dahej.

For Information about Features in Maps Click on It.

Benefits :

  • World’s largest man made fresh water reservoir in the  sea.
  • Highest importance and priority to irrigation and drinking  water for Saurashtra and Central Gujarat regions.
  • The Reservoir will have the storage more than double the Sardar Sarovar (Narmada Reservoir) capacity.
  • 10.54 lakh ha land in 39 talukas of 6 districts of Saurashtra region will get irrigation benefit facility including rejuvenation of rivers. More than 60 existing dams will get permanently filled up with water.
  • Wind and solar energy will be generated which can also be used for lifting fresh water from the reservoir to the canal.
  • Bhavnagar port will get revived which will result into speedy development of the region.
  • There will be large saving in travel time and fuel due to reduction in distance by about 200 km between Bhavnagar to Surat-Mumbai.
  • Saline ground water of coastal area of Saurashtra & Central Gujarat will get converted into fresh water with reduction in soil salinity.
  • Substaintial improvement in ground water quality as well as soil salinity of coastal area of Saurashtra & Central Gujarat.
  • About 2 lakh ha land along the periphery of the reservoir will be opened up for development towards value-based land utilization.
  • Enhanced benefit of world class industrial estate like Dahej and Dholera will be available to Bhavnagar/Saurashtra region.

For Presentation on Kalapasar Project – CLICK HERE

Technical Features (Tentative)

1.

Length of dam (between two shores of Gulf of Khambhat) Approx. 30 km

2.

Top width of dam 100 m wide (with future expansion)10 lane road + railway (under planning)

3.

Reservoir levels (with respect to MSL)
  • Full Reservoir Level (FRL)
(+) 3.0 m
  • Maximum Water Level (MWL)
(+) 4.0 m
  • Minimum Draw Down Level (MDDL)
(-) 4.0 m
  • Live storage
10500 MCM
  • Storage between MWL & FRL
1900 MCM
  • Reservoir spread at FRL
2000 sq. km
  • Rivers debouching in the reservoir
Sabarmati, Mahi, Dhadhar, Narmada (through diversion canal), Limdi Bhogavo, Sukhbhadar, Utavali, Keri and Vagad

4.

Expected life of reservoir (based on sedimentation study)  500 years

5.

Bhadbhut barrage and Narmada diversion canal
  • Total length of barrage
10 to 12 km
  • Narmada diversion canal
(i)    Length 32 km
(ii) Discharge 100000 cusecs

6.

Benefits
(1) Irrigation command 
  • Water envisaged for irrigation
6558 MCM
  • Irrigation
10.54 lakh ha
  • Canal system
No. of canals – 03
Level at head regulator   (with respect to MSL) RL 50 m, RL 80 m, RL 100 m
(i)    Length 600 to 700 km
(ii) Discharge 4000 to 6000 cusecs
(2) Land Improvement 700000 ha
(3) Extra land to be recovered 150000 to 200000 ha
(4) Transportation
Reduction in distance
  • Bhavnagar – Dahej
100 km
  • Bhavnagar – South Gujarat
150 km
(5) Ports development
  • Bhavnagar port
To be revived
  • Dahej port
To remain out of proposed reservoir
  • New ports
To be developed on downstream of proposed reservoir
(6) Construction period 5 to 7 years

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