Pedra do Cavalo Reservoir
General data
- Name: Pedra do Cavalo Reservoir
- Water system: Paraguacu River
- Water type: Artificial lake
- Progression: Paraguacu River -> Atlantic Ocean -> Planet Earth
- Climates: Tropical
- Continents: South America
- Countries: Brazil
The Pedra do Cavalo Reservoir is a dam on the Paraguaçu River in Bahia, Brazil, that supplies water to nearby cities, for irrigation, and for energy generation. The dam was built near the river's estuary to control freshwater flow into the system, which influences the phytoplankton community within the estuary, according to a study published on ScienceDirect.com.