Conteudo Principal
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Production and Transport System
The main water sources in the system are surface collection points – Castelo do Bode reservoir (Zêzere river) and the right bank of the Tagus river, in Valada, but there are also around 20 underground sources located in Alenquer, Lezírias and Ota.

The Production and Transport system is made up of 3 sub-systems that develop over more than 700 km of pipes, with a nominal production capacity that can reach over 1,000,000 m³/day and a reserve capacity of about 370,000 m³. These sub-systems have 2 water treatment stations, 31 pumping stations, 28 reservoirs and 17 chlorination posts.

The water produced is introduced into the system via the Castelo do Bode and Tejo pipes. Other transport infrastructure is also used in the path to Lisbon and delivery to the municipalities, such as the Alviela aqueduct, the Vila Franca de Xira-Telheiras pipe, the Circunvalação pipe and the Costa do Sol pipe.

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