HydroBASINS lev08 watershed · #4080887910
Bassin de Umiam River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 5 administrative regions : East Khasi Hills, Kamrup Metropolitan, Karbi Anglong, Morigaon, Ri Bhoi
Sub-basin area
1 442,1km²
Upstream area
1 442,1km²
Discharge
153,76m³/s
Mean elev.
767m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 735.4 km²51.1% of basin
- 313.9 km²21.8% of basin
- 250.1 km²17.4% of basin
- 125.5 km²8.7% of basin
- 14.4 km²1.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 566 distinct species · 24 057 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,8°C
Annual rain
2 861mm
Moisture idx (CMI)
0,50
Runoff
3 261mm/an
PET
1 272mm
AET
1 043mm
Mean slope
9,2°
Water table
320cm
Forest
23%
Crops
44%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)