Freshwater Sources in Trinidad

Trinidad’s freshwater comes from five main sources:

1. Rainfall

Average 2,160 mm/year; wet season June–Dec (peak Oct–Nov); dry Jan–Feb.

2. Groundwater

• Northern Aquifer: Limestone/sandstone in the north.
• Southern Aquifer: Sand/gravel in the south.

3. Rivers

Major rivers: Ortoire (largest), Caroni, Couva, Guaracara.

4. Lakes & Swamps

Pitch Lake (natural asphalt), Caroni Swamp, Nariva Swamp, Oropouche Lagoon.

5. Reservoirs

Caroni Reservoir (largest), Navet Dam, Hollis Dam, Rio Claro Dam.