Subarnarekha River

Recently, the Ministry of Environment, Forest and Climate Change directed authorities to take action against illegal sand mining in the Subarnarekha River in Odisha.

Origin and Course of the River

The Subarnarekha River originates near Nagri village in the Ranchi district of Jharkhand at an elevation of about 600 metres. It flows eastward for nearly 395 kilometres before finally emptying into the Bay of Bengal.

The river derives its name, meaning “Streak of Gold,” from its flow through mineral-rich regions, particularly areas known for copper deposits. It also passes through the Chota Nagpur Plateau, leaving it via the scenic Hundrugbagh waterfall.

The river flows through mineral-rich terrain, giving it both economic and geographical significance.

River Basin and Geographical Extent

The basin of the Subarnarekha River extends across the states of Jharkhand, Odisha, and a smaller part of West Bengal. It is bounded by the Chota Nagpur Plateau in the north and west, ridges separating it from the Baitarani River basin in the south, the Bay of Bengal in the southeast, and the valley of the Kangsabati River in the east.

The basin is largely influenced by the South-West monsoon, which brings rainfall from June to October.

The basin is monsoon-dependent, influencing agriculture and water availability.

Tributaries of the River

The Subarnarekha River is fed by several important tributaries, particularly from the right bank, including the Kanchi, Karkari, and Kharkai rivers. These tributaries contribute to maintaining the river’s flow and ecological balance.

Tributaries play a crucial role in sustaining the river system.

Dams and Water Infrastructure

Several dams and reservoirs have been constructed on the river, such as the Getalsud Reservoir, Chandil Dam, Galudih Barrage, and Icha Dam. These structures support irrigation, water supply, and flood control in the region.

These projects are essential for water resource management and regional development.

Environmental Concerns

The issue of illegal sand mining in the Subarnarekha River has raised serious concerns. Unregulated sand extraction can damage the riverbed, destroy aquatic habitats, and increase the risk of erosion and flooding.

Unsustainable human activities are leading to long-term ecological damage.

Conclusion

The Subarnarekha River is an important river system that supports both ecology and human livelihoods. However, increasing environmental pressures demand urgent and sustainable management practices.