Overview
Rogoznica wastewater treatment plant serves Općina Rogoznica, Croatia, with primary treatment. Located on the Adriatic coast, it has a designed capacity of 9,000 m³/day.
The Rogoznica wastewater treatment plant is located in the municipality of Općina Rogoznica, in the Šibenik-Knin County of Croatia, near the coastal settlement of Ražanj. The plant serves the local population and seasonal tourist influx, operating as a primary treatment facility. Its coastal location places it within 10 km of the Adriatic Sea, making effective treatment critical for marine water quality. As a primary treatment plant, Rogoznica provides basic physical removal of solids through sedimentation. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), coastal discharges from agglomerations of this scale typically require at least secondary treatment to protect sensitive marine environments. The treated effluent is discharged into the Adriatic Sea, a semi-enclosed sea with limited water exchange, making it sensitive to nutrient pollution. The local watershed includes the surrounding karst landscape, which drains rapidly into the sea. Protecting the coastal waters is essential for tourism, fisheries, and the region's marine biodiversity, including seagrass meadows and coral habitats.
Environmental context
The plant discharges into the Adriatic Sea, a semi-enclosed basin connected to the Mediterranean. The local karst terrain means rapid groundwater-surface water interactions, and the coastal zone supports diverse marine life, including Posidonia oceanica seagrass meadows and coralligenous habitats. Nutrient inputs from untreated or undertreated wastewater can lead to eutrophication and algal blooms, threatening these ecosystems.
Frequently asked questions
The Rogoznica plant is located at Rt Konj, Ražanj, in the municipality of Općina Rogoznica, Šibenik-Knin County, Croatia, on the Adriatic coast.
The plant has a designed capacity of 9,000 cubic meters per day, indicating it serves a medium-sized agglomeration.
The plant provides primary treatment and discharges effluent into the Adriatic Sea, a sensitive marine environment.
As a Croatian facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires at least secondary treatment for coastal discharges from agglomerations over 10,000 population equivalent.
Coastal plants in Croatia generally require secondary or advanced treatment to meet EU standards for sensitive marine areas, though primary treatment may be used in some cases with appropriate permits.
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