Quinta da Bomba Wastewater Treatment Plant, Seixal, Portugal

Quinta da Bomba is a wastewater treatment plant located in Seixal, Setúbal District, Portugal. It serves a population equivalent of 142,900, classifying it as a large agglomeration under EU regulations. The plant is situated near the Tagus estuary, a major coastal feature. As a large agglomeration, the plant is expected to meet secondary or tertiary treatment standards under the EU Urban Waste Water Treatment Directive (91/271/EEC), depending on the sensitivity of the receiving waters. The designed capacity is 1. The plant discharges into the Tagus River estuary, which flows into the Atlantic Ocean near Lisbon. This estuary is an ecologically important area supporting diverse aquatic life and migratory bird species. The plant's operations are critical for protecting water quality in this sensitive coastal environment.

The plant discharges into the Tagus River estuary, a major coastal ecosystem that drains into the Atlantic Ocean. The estuary supports diverse aquatic life, including fish and bird species, and is an important migratory corridor. The plant's location within 50 km of the coast underscores its role in protecting downstream marine environments from nutrient and pollutant loads.