Overview
Trilj wastewater treatment plant serves Grad Trilj in Splitsko-dalmatinska županija, Croatia. The secondary treatment facility has a designed capacity of 3,500 m³/day and operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
Trilj wastewater treatment plant is located near Rančići, Gardun, in the town of Grad Trilj, within Splitsko-dalmatinska županija, Croatia. The facility provides secondary treatment for municipal wastewater, with a designed capacity of 3,500 cubic meters per day, serving the local population. As a Croatian plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this scale. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas, though specific designation for this location is not confirmed. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Adriatic Sea via the Cetina River basin. The Cetina River supports diverse aquatic life and is an important ecological corridor in the region. The plant's inland location, over 10 km from the coast, reduces direct marine impact.
Environmental context
The plant discharges into the Cetina River basin, which flows into the Adriatic Sea near Omiš. The Cetina River is a karst river supporting diverse aquatic habitats, including endemic fish species and migratory birds. The downstream environment includes the Cetina River canyon and coastal wetlands, which are ecologically sensitive areas that benefit from proper wastewater treatment to prevent nutrient enrichment and pollution.
Frequently asked questions
The plant is located near Rančići, Gardun, in the town of Grad Trilj, within Splitsko-dalmatinska županija, Croatia.
The plant has a designed capacity of 3,500 cubic meters per day, providing secondary treatment for municipal wastewater.
The treated effluent is discharged into the local watershed, which drains into the Cetina River basin and ultimately reaches the Adriatic Sea.
As a Croatian facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which sets standards for secondary treatment and, if needed, advanced treatment for sensitive areas.
For agglomerations of this scale, the EU directive requires at least secondary treatment. Croatian plants often incorporate mechanical and biological processes to meet effluent quality standards.
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