Overview
ARZANO wastewater treatment plant serves Gaeta, Lazio, Italy, with a population equivalent of 55,000. The plant has a designed capacity of 1.00 unit and is located within 50 km of the coast.
ARZANO is a wastewater treatment plant located in Gaeta, in the Lazio region of Italy. It serves a population equivalent of approximately 55,000, placing it in the medium-to-large agglomeration category under Italian and EU regulations. The plant is situated on Via Mariano Mandolesi, near the Tyrrhenian Sea coast. As a plant serving over 50,000 people, ARZANO is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum, and tertiary treatment if the receiving waters are designated as sensitive areas. The regulatory framework ensures appropriate standards are met. The plant's treated effluent likely discharges into the Tyrrhenian Sea, either directly or via a local watercourse. The coastal environment supports diverse marine life and is important for tourism and fisheries. Proper treatment is essential to protect water quality and ecosystem health in this Mediterranean coastal zone.
Environmental context
ARZANO discharges into the Tyrrhenian Sea, part of the Mediterranean basin. The coastal waters near Gaeta support seagrass meadows and diverse marine fauna, including fish and invertebrates. Nutrient and pollutant loads from wastewater must be carefully managed to prevent eutrophication and protect bathing water quality, which is vital for local tourism and recreation.
Frequently asked questions
ARZANO is located in Gaeta, in the Lazio region of Italy, on Via Mariano Mandolesi. It serves the municipal area of Gaeta and surrounding communities.
ARZANO serves a population equivalent of approximately 55,000 people, classifying it as a medium-to-large agglomeration under EU regulations.
ARZANO likely discharges treated effluent into the Tyrrhenian Sea, either directly or via a local stream. The plant is within 50 km of the coast, so marine discharge is probable.
ARZANO operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 15,000 PE and tertiary treatment in sensitive areas. Italian national regulations implement this directive.
For a plant serving 55,000 PE in Italy, secondary treatment (biological) is standard. If the receiving water is a sensitive area, tertiary treatment (nutrient removal) may be required. The EU directive sets these requirements.
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