Pavana River

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Pavana River Blog Image

Overview:

Citizens and environmental activists have expressed concern over the thick layer of (toxic) foam seen on the Pavana River recently.

About Pavana River

  • It is situated in the west of Maharashtra state, in the Pune District. 
  • The river is a notable river crossing Pune city and divides Pune City and the Pimpri-Chinchwad area.
  • Origin: It originates from the Western Ghats, about 6 km south of Lonavala.
  • It is a tributary of the Bhima River and merges in the Mula River in Pune city.
  • Course: Flowing eastward initially, it becomes southbound and passes through the suburbs of Dehu, Chinchwad, Pimpri, and Dapodi before its confluence with the Mula river.
  • A dam is built on this river at Pavana Nagar, called the "Pavana Nagar Dam".
  • Pavana Nagar Dam:
    • It is an earthfill gravity dam.
    • It is 1,329 m (4,360 ft) long and 42.37 m (139.0 ft) high, with a gross storage capacity of 30,500.00 km3.
    • It is built with the purpose of providing sufficient water to the nearby localities. It is the main source of water in the region.

Q1) What is a gravity dam?

A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by primarily utilizing the weight of the material alone to resist the horizontal pressure of water pushing against it.

Source: Residents concerned about thick layer of foam on Pavana River