Greenwood Lakes STP - Lake Mary, Florida Wastewater Treatment Plant

Greenwood Lakes STP is a wastewater treatment facility located in Lake Mary, Florida, within Seminole County. It serves a population of approximately 22,500 residents, classifying it as a medium-sized agglomeration under typical US classifications. The plant is situated in a suburban area near the central Florida region, which is characterized by a humid subtropical climate and numerous lakes and waterways. As a US-based facility, Greenwood Lakes STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Florida Department of Environmental Protection. For plants serving populations around 22,500, secondary treatment is typically required as a minimum standard to protect receiving water bodies. The facility's treatment processes and capacity details are managed by the local utility authority to ensure compliance with state and federal regulations. The plant discharges treated wastewater into the local watershed, which ultimately drains into the St. Johns River basin. This river flows northward through Florida and empties into the Atlantic Ocean near Jacksonville. The St. Johns River is an ecologically important waterway that supports diverse aquatic life, including fish, manatees, and migratory birds. Proper treatment at Greenwood Lakes STP helps maintain water quality in this sensitive riverine ecosystem.

Greenwood Lakes STP discharges into the St. Johns River basin, a major waterway that flows north through Florida to the Atlantic Ocean. The river supports a variety of habitats, including freshwater marshes and estuarine zones near its mouth. The plant's location in central Florida means its effluent contributes to the overall health of the St. Johns River, which is vital for local wildlife and recreational activities. Maintaining low nutrient levels in discharges is crucial to prevent algal blooms and protect downstream aquatic ecosystems.