Tinau

The Tinau is a Class- II category River originating from the Mahabharat Mountains and flowing through the Siwalik Hills and Terai Plain at Butwal, Nepal before joining the Ganges.

Tinau
Native nameतिनाउ (Nepali)
Location
CountryNepal, India
RegionLumbini Province
DistrictRupendehi, Palpa
MunicipalityButwal
Physical characteristics
SourceChuria Range
 • locationPalpa, Nepal
 • elevation300 m (980 ft)
Mouth 
 • location
Palpa
Length95 km (59 mi)
Discharge 
 • minimum2.2 m3/s (78 cu ft/s)
 • maximum2,500 m3/s (88,000 cu ft/s)
Basin features
Tributaries 
 • leftChidiya Khola
 • rightDovan Khola

River morphology

The length of the Tinau is 95 km starting from Palpa to Indo-Nepal Border at Marchawar. The catchment area of the river is about 1081 sq. km up to the border.[1]

River flow

The minimum flow of the river is about 2.2 m3/s in April while the calculated 100 years return period flow in 2500m3/s.

The maximum recorded flow at DHM station no 390 is as follows:[2]

YearMaximum Flow (m3/s)
1964417
19652200
19661180
19671950
19682000
1969600
1984390
1985325
1986644
1987580
1988565
1989457
1990260
1991288
1992134

Floods

1981

In 1981, there was a huge flood that destroyed two suspension bridges and the powerhouse shaft of Himal Hydro.[3]

2007

In the flood of 2007 at least 500 households of Butwal municipality were displaced.

2008

In 2008, due to outburst of embankment, about 250 households were displace in Butwal municipality due to the flood.

Water Use

Hydropower

Tinau Hydropower Plant

References
  1. Dahal, Khet Raj (2012). "A Review of Riverbed Extraction and its Effects on Aquatic Environment with Special Reference to Tinau River, Nepal". Hydor Nepal. 11 (JULY): 49–56. doi:10.3126/hn.v11i0.7163.
  2. Nepal, Department of Hydrology and Metrology (2000). DHM station no 390.
  3. Paudel, Uttam (2011). FLOOD PLAIN ANALYSIS AND VULNERABILITYASSESSMENT OF TINAU KHOLA WATERSHED, NEPAL. TRIBHUVAN UNIVERSITY.

27°45′N 83°31′E


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