# Lisbon Alcochete airport controversy > Live situation record from CLSTR: https://clstr.news/situations/lisbon-alcochete-airport-controversy > Updated: 2026-08-02T06:33:00.000Z. Sources: 4. Developments: 2. In late July 2026 the Portuguese government announced plans for a new airport at Alcochete to serve Lisbon. Aviation commentator Pedro Castro warned that the project could divert resources away from pressing social needs such as housing, and that the resulting surge in tourism might overwhelm existing capacity and strain regional airports. A few days later, the environmental NGO Quercus issued a detailed warning that the airport’s construction threatens the largest aquifer on the Iberian Peninsula, which supplies drinking water to the Setúbal district. The group highlighted additional ecological concerns, including habitat destruction, ecosystem fragmentation, impacts on bird life, and increased noise and air emissions. Quercus called for an independent assessment of the site’s suitability, emphasizing the need to protect public health, water resources, and biodiversity. Together, the snapshots show a broadening of criticism: from economic and social resource allocation to serious environmental and public‑health risks surrounding the Alcochete airport proposal. ## Timeline ### 2026-08-02: Quercus warns of water‑security risk from proposed Lisbon airport Quercus warns that the planned Lisbon airport at Alcochete threatens the Iberian Peninsula’s largest aquifer, risking water supply for Setúbal and causing major environmental impacts. 2 sources. https://clstr.news/cluster/quercus-warns-of-watersecurity-risk-from-proposed-lisbon-airport ### 2026-07-28: Lisbon's Proposed Alcochete Airport Sparks Criticism Over Priorities Portugal's plan for an Alcochete airport faces criticism for diverting housing funds, risking over‑tourism, and needing extra immigration, according to sky expert Pedro Castro. 3 sources. https://clstr.news/cluster/lisbons-proposed-alcochete-airport-sparks-criticism-over-priorities --- Cite as: Lisbon Alcochete airport controversy. CLSTR, https://clstr.news/situations/lisbon-alcochete-airport-controversy