Overview
Caguas Regional WWTP serves approximately 138,000 people in Caguas, Puerto Rico. The plant is part of the island's wastewater infrastructure, discharging treated effluent into local waterways.
Caguas Regional WWTP is a municipal wastewater treatment facility located in Caguas, Puerto Rico, serving a population of about 138,038. The plant is situated inland, more than 50 km from the coast, and plays a key role in managing wastewater from the Caguas metropolitan area. As a large agglomeration serving over 100,000 people, the plant operates under the U. S. Clean Water Act, which requires secondary treatment as a minimum standard for municipal wastewater facilities. The designed capacity is 1.00 million gallons per day, indicating the plant's scale. Regulatory compliance is expected under EPA and Puerto Rico Environmental Quality Board oversight. The treated effluent is discharged into the local watershed, which ultimately drains into the Caribbean Sea via the Río Grande de Loíza basin. This river system supports diverse aquatic life and is important for regional water resources. The plant's operations help protect downstream water quality and ecosystems.
Environmental context
The plant discharges into the Río Grande de Loíza watershed, which flows through eastern Puerto Rico and empties into the Atlantic Ocean near San Juan. This river basin supports diverse freshwater and estuarine habitats, including mangroves and coastal wetlands. The area is ecologically sensitive due to its role in nutrient cycling and as a migratory corridor for fish and birds.
Frequently asked questions
Caguas Regional WWTP is located in Caguas, Puerto Rico, at Calle 1, Sector Antigua Vía, Sector Monte Altos de San Luis, Bairoa. It serves the Caguas metropolitan area.
The plant serves approximately 138,038 people, classifying it as a large agglomeration under U. S. regulatory standards.
The treated effluent is discharged into the Río Grande de Loíza watershed, which flows to the Atlantic Ocean. The plant's discharge is regulated under the Clean Water Act.
As a U. S. facility in Puerto Rico, the plant operates under the Clean Water Act, with permits issued by the EPA and the Puerto Rico Environmental Quality Board. It must meet secondary treatment standards.
Plants of this scale typically employ secondary treatment, including biological processes like activated sludge, to meet Clean Water Act requirements. Advanced treatment may be added for nutrient removal in sensitive watersheds.
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