HydroLAKES lake · #914
Grajau
ReservoirBrazilSouth America 160 m
Surface area
311,16km²
Avg depth
16,3m
Volume
5 060km³
Shoreline
851,4km
Administrative coverage
7 dept-equivalent regions (GADM L2)
- Nova IorqueMaranhão · Brazil105.95 km²34.2% of lake
- GuadalupePiauí · Brazil78.10 km²25.2% of lake
- Porto Alegre do PiauíPiauí · Brazil62.30 km²20.1% of lake
- São João dos PatosMaranhão · Brazil49.58 km²16.0% of lake
- Benedito LeiteMaranhão · Brazil8.79 km²2.8% of lake
- UruçuíPiauí · Brazil3.18 km²1.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
8 distinct species · 15 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Lake statistics (HydroLAKES)
Surface
311,16km²
Avg depth
16,3m
Volume
5 060,000km³
Watershed
85 234km²
Shoreline
851,4km
Shore dev. idx
13,62
Residence time
117days
Elevation
160m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.