This represents the alert coverage of sirens installed on dams. Some approximations have been made by generating buffers with a predefined coverage radius based on the technical specifications of the sirens, while others have employed acoustic propagation models that incorporate factors such as attenuation, sound dispersion, and the influence of topography.

Area of ​​3 kilometers radius of the school centres for the calculation of the scholarships of the municipality of Granollers.

Identification of the municipalities through which the pipeline passes.

It represents the aproximate route of the oil pipelines.

Thematic coverage of the municipalities of Catalonia in which the municipality's obligation to draw up the Municipal Action Plan (PAM) for the risk of accidental pollution of marine waters is represented, as well as the plan's current status.

Identification of the municipalities through which the ethylene pipeline passes.

Points where flooding frequently affects.