Dhansiri River:
Environmentalists recently raised concerns with the Central Pollution Control Board (CPCB) over alleged hazardous effluent discharge from Numaligarh Refinery Limited (NRL) into the Dhansiri River, warning of severe ecological damage.
- Dhansiri is the main river of Golaghat District of Assam and the Dimapur District of Nagaland.
- It forms an important tributary to the Brahmaputra
- It originates from Laisang Peak of Nagaland.
- For the first 40 km from its source, the river flows in a northwesterly direction, and thereafter it flows northeast for about 76 km up to Dimapur.
- Beyond Dimapur, the direction of flow is generally northerly up to Golaghat, where the river takes an abrupt turn towards the northwest and ultimately joins the Brahmaputra at Dhansirimukh, Assam.
- The total length of the river from its source to outfall is approximately 352 km.
- Its total catchment area is 1,220 sq.km.
- It flows through the Nagaland -Assam border harbouring rich flora and fauna. On one side is the Dhansiri Reserved Forest, and on the other is Intanki National Park.