HydroBASINS lev08 watershed · #7080875970
Bassin de Río Lempa
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 45 administrative regions : Azacualpa, Chalatenango, Cinquera, Cojutepeque, Comalapa +40
Sub-basin area
1 459,4km²
Upstream area
8 614,7km²
Discharge
197,33m³/s
Mean elev.
503m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Acelhuate714 km²
- Bassin de Río Lempa477 km²
45 dept-equivalent regions (GADM L2)
- Embalse Cerron GrandeChalatenango · El Salvador142.9 km²9.8% of basin
- 139.3 km²9.6% of basin
- ChalatenangoChalatenango · El Salvador96.0 km²6.6% of basin
- TejutlaChalatenango · El Salvador92.1 km²6.3% of basin
- San Francisco MorazánChalatenango · El Salvador91.4 km²6.3% of basin
- 77.4 km²5.3% of basin
- 63.3 km²4.4% of basin
- 62.3 km²4.3% of basin
37 moreFull L2 list
- Tenancingo57.9 km² · 4.0%
- Santa Rita45.3 km² · 3.1%
- Tejutepeque43.8 km² · 3.0%
- La Reina41.8 km² · 2.9%
- El Paraíso39.0 km² · 2.7%
- Concepción Quezaltepeque38.9 km² · 2.7%
- Potonico37.1 km² · 2.6%
- Cinquera34.7 km² · 2.4%
- San Rafael28.8 km² · 2.0%
- Dulce Nombre de María28.7 km² · 2.0%
- San José Cancasque23.7 km² · 1.6%
- Monte San Juan23.3 km² · 1.6%
- San Miguel de Mercedes22.2 km² · 1.5%
- Las Vueltas20.5 km² · 1.4%
- San Martín18.6 km² · 1.3%
- Comalapa18.0 km² · 1.2%
- Azacualpa17.9 km² · 1.2%
- Sensuntepeque16.9 km² · 1.2%
- Oratorio de Concepción13.2 km² · 0.9%
- El Rosario13.2 km² · 0.9%
- La Laguna11.9 km² · 0.8%
- Santa Cruz Michapa11.6 km² · 0.8%
- San Bartolomé Perulapía11.0 km² · 0.8%
- San Luis del Carmen10.8 km² · 0.7%
- San Antonio Los Ranchos9.4 km² · 0.6%
- El Carmen9.0 km² · 0.6%
- San Antonio de la Cruz8.8 km² · 0.6%
- Cojutepeque7.8 km² · 0.5%
- San Rafael Cedros6.1 km² · 0.4%
- Ojos de Agua4.4 km² · 0.3%
- San Francisco Lempa4.1 km² · 0.3%
- La Palma4.1 km² · 0.3%
- San Isidro Labrador3.2 km² · 0.2%
- San José Guayabal2.9 km² · 0.2%
- San Fernando0.4 km² · 0.0%
- Tonacatepeque0.1 km² · 0.0%
- El Paisnal0.0 km² · 0.0%
5 intersecting protected areas
Embalse Cerrón Grande
IUCN Not ReportedWetland of International Importance (Ramsar Site)
433.90 km² overlap
Cinquera
IUCN Not ReportedPrivate Natural Protected Area
10.02 km² overlap
Colima
IUCN Not ReportedProtected Area with Managed Resources
2.64 km² overlap
Trifinio-Fraternidad
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1.88 km² overlap
Amayo y Santa Barbara
IUCN Not ReportedNatural Protected Area
1.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 302 distinct species · 118 926 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Río Lempa : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 27 interactions GloBI documentées sur 4 types (connectance 4.5%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
23,7°C
Annual rain
1 955mm
Moisture idx (CMI)
0,09
Runoff
799mm/an
PET
1 774mm
AET
1 186mm
Mean slope
8,4°
Water table
299cm
Forest
28%
Crops
55%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)