HydroBASINS lev08 watershed · #1081019820
Bassin de Sagbama Creek
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 : Kolokuma/Opokuma, Sagbama, Southern Ijaw, Yenagoa
Sub-basin area
388,2km²
Upstream area
388,3km²
Discharge
20,9m³/s
Mean elev.
19m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 182.2 km²47.1% of basin
- 97.1 km²25.1% of basin
- 96.3 km²24.9% of basin
- 10.9 km²2.8% of basin
2 intersecting protected areas
Nun River
IUCN Not ReportedForest Reserve
42.89 km² overlap
Egbedi Creek
IUCN Not ReportedForest Reserve
26.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
26 distinct species · 45 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°
26,6°C
Annual rain
2 954mm
Moisture idx (CMI)
0,48
Runoff
1 691mm/an
PET
1 531mm
AET
1 322mm
Mean slope
0,7°
Water table
22cm
Forest
100%
Crops
6%
Urban
20%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)