HydroBASINS lev08 watershed · #6080340040
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 3 administrative regions : Arame, Grajaú, Itaipava do Grajaú
Sub-basin area
1 081,9km²
Upstream area
10 937km²
Discharge
161,86m³/s
Mean elev.
199m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Grajaú331 km²
- Bassin de Rio Grajaú214 km²
3 dept-equivalent regions (GADM L2)
- 442.7 km²41.1% of basin
- 408.2 km²37.9% of basin
- 226.2 km²21.0% of basin
1 intersecting protected areas
Urucu/Juruá
IUCN Not ReportedIndigenous Area
127.50 km² overlap
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°
26,2°C
Annual rain
1 137mm
Moisture idx (CMI)
-0,38
Runoff
417mm/an
PET
1 844mm
AET
957mm
Mean slope
5,3°
Water table
272cm
Forest
52%
Crops
10%
Urban
0%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)