HydroBASINS lev08 watershed · #1080806570
Bassin de Ba-Illi
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 3 administrative regions : Loug Chari, Mayo-Boneye, Tandjilé Est
Sub-basin area
1 634,2km²
Upstream area
1 634,8km²
Discharge
13,63m³/s
Mean elev.
346m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1579.7 km²97.1% of basin
- 29.8 km²1.8% of basin
- 18.0 km²1.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
44 distinct species · 73 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
27,9°C
Annual rain
910mm
Moisture idx (CMI)
-0,56
Runoff
265mm/an
PET
2 046mm
AET
766mm
Mean slope
0,0°
Water table
3cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)