Sabarmati River: Origin, Tributaries, Basin, Dams and Concerns

Sabarmati river concerns

Sabarmati River is one of the major West flowing river of India, along with Narmada and Tapti, which originates from Aravali hill ranges in Rajasthan and after traveling 371 Km. meets the Gulf of Cambay (Khambhat) in the Arabian Sea. 48 km of the river length is in Rajasthan, while the rest 323 km is in Gujarat.

Sabarmati originates from Aravalli hills at an elevation of 762 m near village Tepur, in Udaipur district of Rajasthan. It flows generally in South – West direction in Rajasthan and enters the Gujarat State and passes through the plains and continues to flow in the same direction.

Sabaramati River Summary Sheet

Origin Village Tepur, in Udaipur, Rajasthan
Length 371 Kms
Discharge Gulf of Cambay (Khambhat)
States & Major Cities
  • Rajasthan:
  • Gujarat: Ahmedabad
Right Bank Tributaries Sei, Siri and Dhamni
Left Bank Tributaries Wakal, Harnav, Hathmati, Khari, Watrak
Major Dams Dharoi Dam

Sabarmati River Basin:

The Sabarmati basin extends over states of Rajasthan and Gujarat having an area of 21,674 Sq.km with maximum length and width of 300 km and 150 km.The basin is bounded by Aravalli hills on the north and north-east, by Rann of Kutch on the west and by Gulf of Khambhat on the south. The basin is roughly triangular in shape with the Sabarmati River as the base and the source of the Vatrak River as the apex point.

Sabarmati River Course:

At the 51 km of its run, the river is joined by the Wakal on the left bank near village Ghanpankari. After flowing generally in the South – West direction at 67th km of its run, it receives the Sei on the right bank near Mhauri and then the Harnav on the left bank at about 103 km.

From respective sources beyond this confluence, Sabarmati flows through the Dharoi gorge. Emerging from the gorge it passes through the plains and is joined on its left bank at about 170 km from its source by the Hathmati, which is its major tributary. Continuing to flow in South – West direction, the river passes through Ahmedabad and about 65 km down stream, another major tributary, Watrak joins its on the left bank, flowing for a further distance of 68 km, the river outfalls in the Gulf of Khambhat in Arabian Sea.

Sabarmati River Basin Map
Source: https://india-wris.nrsc.gov.in/wrpinfo/images/8/8b/Sabarmati.png

Sabarmati Tributaries:

Sei

This is a right bank tributary of Sabarmati River.It rises in the Aravalli hills in Rajasthan and flows in South – West direction for a total distance of 95 km before it joins on its right bank. It drains an area of 946 sq km.

Wakal

This is a Left bank tributary of Sabarmati River.It rises in the Aravalli hills in Rajasthan and flows in South – West direction for a total length of 88 km. It joins Sabarmati on its left bank. It drains an area of 1625 sq km. The Menas is its main tributary.

Harnav

This is a Left bank tributary of Sabarmati River It rises in the Northern portion of the Kulalia hills of Rajasthan ranges and flows in South – West direction for a total distance of 75 km. Harnav joins the left bank of Sabarmati. It drains an area of 972 sq km.

Hathmati

This is a Left bank tributary of Sabarmati River This is a Left bank tributary of Sabarmati River It rises in SouthWest foot hills of Rajasthan range in Gujarat State and flows in South West direction for a distance of 122 km to meet the Sabarmati on its left bank.This tributary drains an area of 1526 sq km. The sub-tributary of Hathmati river is Guhai river, on which Guhai dam is constructed.

Watrak

This is a Left bank tributary of Sabarmati River It rises in Panchara hills in Dungarpur district of Rajasthan and flows in Southwest direction for a distance of 248 km and joins Sabarmati on the left bank. Meshwo, Mazam & Shedhi are sub-tributaries of Watrak river. Watrak and its tributaries drain an area of 8638 sq km. A line diagram of river system giving information of Sabarmati Basin & its tributaries and sub tributaries etc. indicating the location of major structures is enclosed.

Major Dams on Sabarmati River

There are several dams and reservoirs constructed on Sabarmati and its tributaries. The Dharoi dam is located on the main sabarmati river, while Hathmati dam, Harnav dam, Guhai dam, Meshvo reservoir, Meshvo pick-up weir, Mazam dam and Watrak dam are located on tributaries. The Kalpasar is planned project in the Gulf of Khambhat.

Dharoi Dam:

  • Dharoi dam is located about 165 km upstream Ahmedabad in village Dharoi of Mehsana district.
  • It was constructed in 1978.
  • It has catchment area of 5540 km2, out of which about 2,640 km2 lies in Gujarat state.

Vasna Barrage:

  • At distance 202 km.Vasna Barrage having 10619 sq.km. catchment area is situated.

Sabarmati River Concerns:

  • The industrial city of Ahmedabad poses the danger of water pollution by industrial waste.
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