HydroBASINS lev08 watershed · #6080309020
Bassin de Rio Grajaú
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 2 administrative regions : Brejo de Areia, Vitorino Freire
Sub-basin area
166,1km²
Upstream area
18 501,3km²
Discharge
274,1m³/s
Mean elev.
47m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Grajaú975 km²
- Bassin · #6080312570539 km²
2 dept-equivalent regions (GADM L2)
- 165.3 km²100.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
27,2°C
Annual rain
1 529mm
Moisture idx (CMI)
-0,14
Runoff
642mm/an
PET
1 776mm
AET
1 051mm
Mean slope
1,5°
Water table
38cm
Forest
10%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)