Overview
TOLLO_ARIELLI is a secondary wastewater treatment plant serving 2,800 people in Tollo, Italy. It discharges 554.30 m³/day of treated effluent, located within 10 km of the Adriatic coast.
TOLLO_ARIELLI is a municipal wastewater treatment plant located in Tollo, a town in the province of Chieti, Abruzzo, Italy. The plant serves a population of approximately 2,800 residents, classifying it as a small agglomeration under Italian and EU regulations. As a secondary treatment facility, TOLLO_ARIELLI meets the standard requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 2,800 m³/day and currently discharges 554.30 m³/day of treated wastewater. Its proximity to the Adriatic Sea (within 10 km) means it operates in a coastal sensitive area, where nutrient removal may be required to prevent eutrophication. The treated effluent from TOLLO_ARIELLI ultimately reaches the Adriatic Sea via local watercourses. The Adriatic Sea is a semi-enclosed basin with significant ecological importance, supporting diverse marine life and fisheries. The plant's discharge contributes to the overall nutrient load in the coastal zone, making effective treatment critical for protecting marine water quality.
Environmental context
TOLLO_ARIELLI discharges treated wastewater into local streams that flow into the Adriatic Sea, a semi-enclosed basin with limited water exchange. The coastal waters off Abruzzo support seagrass meadows and nursery habitats for fish and shellfish. Nutrient inputs from wastewater can contribute to algal blooms and oxygen depletion, so secondary treatment with potential nutrient removal is essential for preserving the ecological balance of this marine environment.
Frequently asked questions
TOLLO_ARIELLI is located in Tollo, a town in the province of Chieti, Abruzzo, Italy. The address is Via dei Mulini, Colle Cavalieri, Tollo, Chieti.
The plant serves approximately 2,800 people, classifying it as a small agglomeration under EU regulations.
The plant discharges treated wastewater into local watercourses that flow into the Adriatic Sea. It is located within 10 km of the coast, making it a coastal discharge facility.
TOLLO_ARIELLI provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size. Given its coastal location, additional nutrient removal may be necessary to protect the Adriatic Sea.
In Italy, wastewater treatment is governed by the EU Urban Waste Water Treatment Directive (91/271/EEC), implemented through national legislation. Plants serving over 2,000 people must have at least secondary treatment, and those in sensitive coastal areas may require tertiary treatment for nutrient removal.
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