Omis, Duće | Croatia Wastewater

Overview

Omis wastewater treatment plant serves Duće, Croatia, with primary treatment. Located near the Adriatic coast, it has a designed capacity of 32,210 m³/day.

The Omis wastewater treatment plant is located in Duće, a coastal settlement in the Split-Dalmatia County of Croatia. The facility provides primary treatment for municipal wastewater, serving the local community along the Adriatic Sea. With a designed capacity of 32,210 cubic meters per day, it is a medium-scale plant for the region. 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 discharges to sensitive areas and coastal waters. The plant discharges treated effluent into the Adriatic Sea, a semi-enclosed marine basin with limited water exchange. The coastal waters near Duće support diverse marine life and are important for tourism and fisheries. Proper wastewater treatment is critical to prevent eutrophication and protect bathing water quality along this popular coastline.

Environmental context

The Omis plant discharges into the Adriatic Sea, a narrow arm of the Mediterranean Sea. The coastal waters near Duće are part of the ecologically sensitive Adriatic basin, which supports seagrass meadows, coral reefs, and diverse fish populations. Nutrient inputs from wastewater can lead to algal blooms and hypoxia, threatening marine biodiversity and local tourism.

Frequently asked questions

The Omis plant is located in Duće, a coastal village in the Split-Dalmatia County of Croatia, near the city of Omiš.

The plant has a designed capacity of 32,210 cubic meters per day, serving the local population and tourism-related wastewater flows.

The plant discharges treated effluent into the Adriatic Sea, a coastal marine environment. The discharge point is within 10 km of the coast.

The plant provides primary treatment, which involves physical sedimentation and screening. Under the EU Urban Waste Water Treatment Directive, coastal discharges typically require at least secondary treatment.

As an EU member state, Croatia follows the Urban Waste Water Treatment Directive (91/271/EEC). Plants serving agglomerations over 10,000 population equivalent must meet secondary treatment standards, especially for sensitive coastal areas.