December 14, 2024

List of 5 Important Rivers in Andhra Pradesh

By aboutthepeople.in Mar 1, 2024
Rivers in Andhra Pradesh

The vibrant state of Andhra Pradesh, cradled by the Eastern Ghats and kissed by the Bay of Bengal, is alive with the energy of numerous rivers. These aren’t just waterways; they are the lifelines of the land, carving fertile valleys, nurturing diverse ecosystems, and sustaining ancient cultures. Embark on a journey with us as we explore the majestic Godavari, the mighty Krishna, and their fascinating companions, each river whispering tales of التاريخ (tarikh, history) and promising adventures along the way!

Important Rivers in Andhra Pradesh

1. Godavari River

  • The Godavari River is one of the most important rivers in India. It is the second longest river in India after the Ganges River and the largest river in peninsular India. The river originates in the Western Ghats mountains in Maharashtra state and flows eastward for 1,465 kilometers (910 miles) before emptying into the Bay of Bengal. The Godavari River basin covers an area of 312,812 square kilometers (120,777 square miles), making it one of the largest river basins in India.
  • The Godavari River rises in the Western Ghats of central India, in the Maharashtra region, and travels through a vast network of distributaries as it meanders eastward across the Deccan Plateau and empties into the Bay of Bengal.
  • Hindus revere the river, which they refer to as the “Dakshina Ganga” (Southern Ganges).

 Here are some details about the major dams on the Godavari River 

  • Sriram Sagar Project: This is the largest dam on the Godavari River, located in Telangana. It is a multipurpose project that provides irrigation, hydroelectricity, and drinking water.
  • Dowleswaram Barrage: This is a barrage located in Andhra Pradesh, which diverts the Godavari River water into two canals, the Eastern and Western Delta Canals. These canals provide irrigation to a large area of land in the Krishna and Godavari delta regions.
  • Polavaram Project: This is another major dam on the Godavari River, located in Andhra Pradesh. It is under construction and is expected to be completed in 2025. The project will provide irrigation, hydroelectricity, and navigation.
  • Jayakwadi Dam: This is a dam located in Maharashtra, which provides irrigation and hydroelectricity.

Here are some additional details about the dams on the Godavari River

  • Of  All the river basins in India, the Godavari has the greatest number of dams built in it.
  • By 2012, there were close to 350 large and medium-sized dams and barrages built in the river basin.
  • The seven Indian states of Maharashtra, Telangana, Chhattisgarh, Madhya Pradesh, Andhra Pradesh, Karnataka, and Odisha comprise the Godavari River’s catchment region.

Here are some more facts on the Godavari River

  • The Pravara, Purna, Manjra, Penganga, Wardha, Wainganga, Pranhita, Indravati, Maner, and Sabri are the principal tributaries of the Godavari River.
  • A wide range of ecosystems, including marshes, rivers, grasslands, and forests, may be found in the Godavari River basin.
  • With its support for fishing, tourism, agriculture, and other businesses, the Godavari River plays a significant role in the Indian economy.

2. Krishna River

  • The Krishna River, also known as Krishnaveni, is a vital and revered waterway in India. Here’s a comprehensive overview of its key aspects
  • The Krishna River plays a multifaceted role in the lives of millions of people in India. Understanding its full details is crucial for appreciating its significance and addressing the challenges it faces
  • Starting point: Mahabaleshwar range in the Western Ghats, Maharashtra (altitude: 1,337 m)
  • Length: Approx. 1,400 km (870 mi)
  • States it flows through: Maharashtra, Karnataka, Telangana, Andhra Pradesh
  • Ending point: Bay of Bengal at Krishnapatnam

Key Features from Krishna River

  • India’s third-longest river, behind the Ganges and the Godavari
  • Fourth-largest after the Ganges, Indus, and Godavari in terms of water inflows and basin area.
  • principal irrigation source: supports farming across large farmlands in four states
  • Rich biodiversity: home to a variety of birds, aquatic plants, and fish species
  • Cultural importance: revered and connected to Lord Krishna in Hindu mythology

Tributaries

  • Main tributaries: Ghataprabha, Malaprabha, Bhima, Tungabhadra, Musi
  • Network of tributaries: Contributes significantly to the overall water flow and basin area

Dams and Reservoirs From Krishna River

  • Numerous dams were constructed: For irrigation, hydroelectricity, flood control, and drinking water
  • Major dams: Srisailam Dam, Almatti Dam, Narayanpur Dam, Nagarjuna Sagar Dam.
  • Impact: Regulate water flow, and generate power, but also raise concerns about environmental effects

Challenges and Issues on Krishna River

  • Water disputes: Sharing of water resources among states can be contentious.
  • Pollution: Industrial effluents and agricultural runoff pose threats to water quality.
  • Sedimentation: Reduction in reservoir capacity due to silt accumulation.
  • Climate change: Increasing uncertainty about future water availability.

Conservation Efforts

  • Government initiatives: River basin management programs, pollution control measures.
  • Community-driven projects: Watershed restoration, sustainable water management practices.

3. Penner River

  • The Pennar River, also known as Pinakini, Penneru, Penner, or Pennai, is a vital water source for South India, flowing through the states of Karnataka and Andhra Pradesh.
  • The Pennar River is a vital resource for millions of people in South India. Understanding its full details is crucial for appreciating its significance and addressing the challenges it faces

 Here’s a detailed look at its key features

  • Starting point: Chenna Kesava hills of the Nandi Ranges in Karnataka (altitude: 800 m)
  • Length: Approx. 597 km (371 mi)
  • States it flows through Karnataka and Andhra Pradesh
  • Ending point: Bay of Bengal near Nellore, Andhra Pradesh

Key Features of Pennar River

  • Unique bifurcation: Near Gandikota, the river splits into two branches – North Pennar and South Pennar, which rejoin later.
  • Drainage basin area: 55,213 sq. km, covering parts of Karnataka and Andhra Pradesh.
  • The major source of irrigation: Supports agriculture in both states, especially rice cultivation.
  • Rich biodiversity: Home to various fish species, reptiles, and birds, including migratory species in winter.
  • Cultural significance: Revered in Hindu mythology, associated with the sage Agastya.

Tributaries of Pennar River

  • North Pennar: Jayamangali, Kunderu, Sagileru, Chitravati, Papagni
  • South Pennar: Cheyyeru, Ponnai
  • Network of tributaries: Contribute significantly to the overall water flow and basin area

Dams and Reservoirs of Pennar River

  • Several dams were constructed: For irrigation, hydroelectricity, flood control, and drinking water
  • Major dams in Pennar River: Somasila Dam, Gandikota Reservoir, Kandaleru Reservoir
  • Impact: Regulate water flow, and generate power, but also raise concerns about environmental effects

Challenges and Issues

  • Water scarcity: Increasing demand for water from various sectors, leading to potential conflicts
  • Pollution: Industrial effluents and agricultural runoff pose threats to water quality
  • Sedimentation: Reduction in reservoir capacity due to silt accumulation
  • Climate change: Increasing uncertainty about future water availability
  • Government initiatives: River basin management programs, pollution control measures, afforestation efforts
  • Community-driven projects: Watershed restoration, sustainable water management practices

4. Tungabhadra River

  • The Tungabhadra River, a majestic waterway flowing through Karnataka and Andhra Pradesh, holds immense significance for the region
  • The Tungabhadra River plays a multifaceted role in the lives of millions of people in South India. Understanding its full details is crucial for appreciating its significance and addressing the challenges it faces

Key Features of Tungabhadra River

  • Birthplace: Formed by the confluence of the Tunga and Bhadra rivers near Shivamogga, Karnataka
  • Length: 531 km (330 miles)
  • States it traverses: Karnataka, Andhra Pradesh
  • Final destination: Merges with the mighty Krishna River at Sangameshwara, Andhra Pradesh
  • Life-giving source: Provides vital irrigation water to vast agricultural lands in Karnataka and Andhra Pradesh, supporting crops like sugarcane, cotton, and rice.
  • Hydropower generation: Several dams like the Tungabhadra Dam harness its power for electricity production.
  • Biodiversity haven: Supports a rich ecosystem of fish, reptiles, amphibians, and birds, including migratory species like pelicans and flamingos.
  • Cultural significance: Revered in Hindu mythology, associated with the epic Ramayana and the sage Agastya.

Dams and Reservoirs of Tungabhadra River

  • Prominent dams: Tungabhadra Dam, Hampi Dam, Sunkesula Dam
  • Impact: Regulate water flow, and generate hydropower, but raise concerns about environmental effects.

Challenges and Issues

  • Water disputes: The sharing of water resources between Karnataka and Andhra Pradesh can be contentious.
  • Pollution: Industrial effluents and agricultural runoff pose threats to water quality.
  • Sedimentation: Reduction in reservoir capacity due to silt accumulation.
  • Climate change: Increasing uncertainty about future water availability.
  • Community-driven projects: Watershed restoration, sustainable water management practices.

5.  Vamsadhara River

  • The Vamsadhara River, also known as the Banshadhara River, is an important eastward-flowing river in India.
  • The Vamsadhara River is named after the Vamsadhara River in Odisha, which is a tributary of the Mahanadi River.
  • The river is also known for its scenic beauty and is a popular tourist destination.

Here are some details about the Vamsadhara River

  • The Vamsadhara River originates on the border of Thuamul Rampur in the Kalahandi district and Kalyansinghpur in the Rayagada district of Odisha.
  • Before draining into the Bay of Bengal at Kalingapatnam, Andhra Pradesh, it travels around 254 kilometers.

There are currently two main dams on the Vamsadhara River

  • The Upper Vamsadhara Project: This is a multipurpose project located in Odisha, India. It consists of a 42-meter-high dam and a 105-MW hydroelectric power station
  • The Lower Vamsadhara Project: This is a proposed project located in Andhra Pradesh, India. It would consist of a 58-meter-high dam and a 110-MW hydroelectric power station.

Basin and Catchment Area

  • The river basin’s overall catchment area is roughly 10,830 square kilometers.
  • Odisha (8015 sq km) and Andhra Pradesh (2815 sq km) split the river basin.

Hydrology

  • Rainfall in the river basin averages 1400 mm per year.
  • The river basin at the Gotta Barrage has an annual average water production of 115 billion cubic feet.
  • Nonetheless, the river’s flow is very seasonal, with the majority of its water flowing from June to September during the monsoon season.

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