A view of La Baells reservoir, north of Barcelona, in the Spanish region of Catalonia on January 23. Local authorities declared on Thursday a state of drought emergency caused by water shortages.

Catalonia has several emergency levels with different restrictions on the use of water. The current emergency level declared for the 200 municipalities affected is at tier one of three.

By Benjamin Brown and Ingrid Formanek, CNN (CNN) — About six million people in more than 200 towns, villages and cities in the northeastern Spanish region of Catalonia will be banned from ...