HydroBASINS lev08 watershed · #5080044170
Bassin de Omba
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 : Dogiyai, Kaimana, Mimika
Sub-basin area
1 058,1km²
Upstream area
5 313km²
Discharge
381,24m³/s
Mean elev.
183m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin · #5080186800846 km²
- Bassin · #5080186750626 km²
3 dept-equivalent regions (GADM L2)
- Kaimana574.7 km²54.6% of basin
- 323.6 km²30.7% of basin
- 154.9 km²14.7% of basin
1 intersecting protected areas
Kaimana
IUCN VIMarine Park
44.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 31 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°
25,6°C
Annual rain
3 021mm
Moisture idx (CMI)
0,51
Runoff
2 338mm/an
PET
1 468mm
AET
1 468mm
Mean slope
6,4°
Water table
194cm
Forest
90%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)