The Puwa River (or Puwa Khola) is a river in Nepal.
It is a right tributary of the
Mai Khola
The Mai Khola is a river in eastern Nepal, the headwater of the Kankai River. Its water is used for irrigation and also powers several hydroelectric plants.
Location
The Mai Khola is the main tributary of the Kankai.
It is a perennial river that ...
.
Location
The Puwa Khola lies entirely within
Ilam District
Ilam district () is one of Districts of Province No. 1, 14 districts of Koshi Province of eastern Nepal. It is a Geography of Nepal#The Hill Region, Hill districts of Nepal, district and covers . The 2011 Nepal census, 2011 census counted 290,25 ...
.
A 1994 environmental impact study of the Ilam hydroelectric project found 14 species of fish in the Puwa Khola.
Farming
The Geya Danda Irrigation System uses water from the Puwa Khola to irrigate in Puwajung, Ilam Municipality-5,
Ilam District
Ilam district () is one of Districts of Province No. 1, 14 districts of Koshi Province of eastern Nepal. It is a Geography of Nepal#The Hill Region, Hill districts of Nepal, district and covers . The 2011 Nepal census, 2011 census counted 290,25 ...
, just above the river's confluence with the Mai Khola.
The 6.2 MW Puwa Khola hydro electrical project is about above the irrigation system.
Access road construction has damaged some of the farmland, and about of water is diverted to the power station.
The diverted water flows along a headrace tunnel and then a penstock pipe to the power station, which discharges it into the left bank of the Mai Khola.
This leaves very little irrigation water in the dry season.
Hydroelectricity
There are four hydroelectric plants along the river.
Notes
Sources
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Rivers of Koshi Province