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 Chambal Basin

Chambal basin

Total Catchment Area within Rajasthan
3.136 Mha
Total Culturable Area 
1.48 Mha
Total Culturable Command Area
655,932 ha
- Existing Projects  362429 ha
- Ongoing Projects 57579 ha
- Proposed Projects 630531 ha
Average Irrigated Area
0.75 Mha
Total Mean Annual Surface Water Potential
8059 Mm3/year
- Utilised 2775 Mm3/year
Total Ground water Annual Recharge
2635 Mm3
- Utilised 963 Mm3/year
Water Transfers from Chambal Basin
- To Banas Basin 634 Mm3
- To Gambhir Basin 214 Mm3
- To Parbati Basin 50 Mm3
Tributaries
Alnia, Kalisindh, Parwan, Mej, Chakan, Parwati, Kunu.

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1. Introduction
Chambal River Basin is located in eastern Rajasthan, between latitudes 22027' and 27o20' and longitudes 73o20' and 79o20'. Banas and Mahi Basins lie to its west, and Gambhir and Parbati Basins to its north. Its eastern and southern edges border Madhya Pradesh State.
Chambal River Basin extends over parts of Chittorgarh, Bhilwara, Bundi, Sawai Madhopur, Tonk, Jhalawar, Kota, Baran and Dholpur Districts.

The total catchment area of the Basin is 31,460 km2 (excluding Banas Basin, which is also a tributary of Chambal) according to the 1:250,000 scale topographical maps published by the Survey of India.

Orographically, the western part of the Basin is marked by hilly terrain belonging to the Vindhyan chain, with fairly sloping terrain along the Chambal River and its tributaries. East of Kota-Jhalawar lies an extensive alluvial plain sloping gently northwards towards the Yamuna River in Uttar Pradesh.

2. Drainage
River Chambal, a principal tributary of river Yamuna, originates in the Vindhyan ranges near Mhow in Indore District of Madhya Pradesh, at an elevation of 354 m, at latitude 22o27' and longitude 73o20'. The river flows through the states of Madhya Pradesh, Rajasthan and Uttar Pradesh.

The basin is roughly rectangular in shape, with a maximum length of 560 km in a northeast- southwest direction. The river flows for some 320 km in a generally northerly direction before entering a deep gorge in Rajasthan at Chourasigarh, about 96 km upstream of Kota. The deep gorge extends up to Kota and the river then flows for about 226 km in Rajasthan in a north-easterly direction, and then forms the boundary between MP and Rajasthan for about 252 km. Thereafter, the river forms the boundary between MP and UP for about 117 km, enters UP near Charak Nagar village and flows for about 40 km before joining river Yamuna.

The main tributaries of river Chambal are Siwana, Retam, Shipra and Choti Kalisindh in MP, Kalisindh, Parwati, Parwan and Banas in Rajasthan.

3. Rainfall
The mean annual rainfall over the Chambal Basin was computed as 797 mm, of which about 93% falls during the four Monsoon months (June-September).

4. Existing Surface Water Projects
There are 7 Major (Gandhi Sagar, Rana Pratap Sagar, Jawahar Sagar, Kota Barrage, Parwati Pick-up Weir, Harish Chander Sagar and Gudha Dam), 12 Medium and 134 Minor irrigation projects in Chambal River Basin, as well as some small irrigation systems (covering less than 20 ha) constructed and operated by Panchayat Samities (PS).

5. Ongoing Surface Water Projects
52 irrigation projects, including 7 Medium projects with a total live storage capacity of 271 Mm3, are under construction in Chambal River Basin. An additional area of 502 kha will be irrigated on completion of these projects, expected between 1997 and 2015.

6. Proposed Surface Water Projects
376 irrigation projects, including 10 Major (Manohar Thana, Parwan Dhanwas, Kalisindh, Gugar Lift, Soni, Dholpur Lift, Indira Lift, Pipalda Lift and Chambal Lift), with a total live storage capacity of 1743 Mm3, have been proposed in Chambal Basin. An additional area of 630 kha will be irrigated on completion of these projects.


 


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