Meja dam is constructed on-

The correct answer is Kothari River.

Key Points

• The Kothari River originates from the Aravalli hills near Devgarh in the Rajsamand district of Rajasthan and flows through the region before joining the Banas River at Nandrai in Kotri tehsil.
• The Meja Dam, constructed on the Kothari River, is a key source of drinking water supply to the Bhilwara district.
• The river passes through an industrial belt, which has led to contamination of water sources in the surrounding villages.
• Most open wells near the Kothari River have been found to contain toxic levels of chromium, lead, iron, zinc, and sodium, exceeding the permissible limits set by the Bureau of Indian Standards (BIS), indicating poisoned water concerns.

Additional Information

• Mej River:
  • The Mej River is one of the important tributaries of the Chambal River.
  • It flows through semi-arid regions, making it vital for irrigation and water supply.
• Chambal River:
  • The Chambal River originates from the Janapav hills in Madhya Pradesh.
  • It is known for its pristine water quality and hosts the National Chambal Sanctuary, which protects endangered species like the Gharial and Gangetic Dolphin.
• Irrigation in Rajasthan:
  • Rajasthan faces water scarcity due to its arid and semi-arid climate.
  • Projects like Meja Dam help in improving agricultural productivity in the region.
• Watershed Management:
  • Watershed management involves the effective utilization of water resources in a particular area.
  • Dams like Meja play a crucial role in groundwater recharge and reducing soil erosion.