HydroBASINS lev08 watershed · #6080272690
Bassin de Igarapé Grande
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 : Centro Novo do Maranhão, Nova Olinda do Maranhão, Paragominas
Sub-basin area
938,7km²
Upstream area
938,7km²
Discharge
18,68m³/s
Mean elev.
98m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 922.5 km²98.7% of basin
- 11.9 km²1.3% of basin
- 0.3 km²0.0% of basin
2 intersecting protected areas
Alto Turiaçu
IUCN Not ReportedIndigenous Area
934.28 km² overlap
Alto Rio Guamá
IUCN Not ReportedIndigenous Area
0.16 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°
26,6°C
Annual rain
1 961mm
Moisture idx (CMI)
0,13
Runoff
639mm/an
PET
1 706mm
AET
1 244mm
Mean slope
1,5°
Water table
49cm
Forest
98%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)