HydroBASINS lev08 watershed · #1081142060
Bassin de Nzoia 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 4 administrative regions across 2 countries : Alego Usonga, Bondo, Budalangi, Lake Victoria
Sub-basin area
411,9km²
Upstream area
16 243,7km²
Discharge
199,97m³/s
Mean elev.
1 144m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nzoia River1307 km²
- Bassin de Yala824 km²
4 dept-equivalent regions (GADM L2)
- 193.2 km²47.1% of basin
- 158.0 km²38.5% of basin
- Lake VictoriaLake Victoria · Uganda41.5 km²10.1% of basin
- 17.3 km²4.2% of basin
2 intersecting protected areas
Lake Kanyaboli
IUCN Not ReportedNational Reserve
3.97 km² overlap
Mumbaka
IUCN Not ReportedForest Reserve
0.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
454 distinct species · 5 099 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°
22,5°C
Annual rain
965mm
Moisture idx (CMI)
-0,45
Runoff
316mm/an
PET
1 760mm
AET
816mm
Mean slope
0,6°
Water table
43cm
Forest
6%
Crops
34%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)