Artà WebA town on limestone

Artà and the Llevant coast of Mallorca — its stone, its caves, its coastline, its water.

Section 05

The island's real constraint

Aquifers, torrents and the seasonal load.

A stone well with a bucket suspended from an iron pulley between two pillars
A wellhead in dry scrub. Almost all the island’s fresh water is lifted from under ground like this. An island that drinks from underneath →Photo: Pou de Costitx · Wikimedia Commons
FRESH WATER — THE LENSSALT WEDGE, MOVING INLANDPUMPED FROM THE PRIMARY AQUIFERSEA LEVELAQUIFER IN SECTION · LOWERING THE FRESH HEAD LETS THE WEDGE ADVANCE

Drawn

The pressure problem in section: fresh water floats on salt, and lowering the fresh head lets the wedge move inland.