Desert Well

Desert wells are sandstone structures.

Generation
Desert wells generate in desert biomes. They have a $1/1000$ or $1/500$ chance to be generated in any desert chunk. It is possible for a well to generate around a cactus. The well is considered a natural feature rather than a structure, and therefore it generates with the "Generate Structures" option disabled.

$$, desert wells have a chance to generate in a cluster between 16 blocks.

Desert well generation is capped at the coordinate Y=128. No desert well can generate on terrain higher than Y=128.

Structure
Desert wells are built of sandstone blocks and slabs with a water source inside.

Trivia

 * Desert wells are one of the five generated structures that do not have a loot chest (the others being swamp huts, fossils, nether fossils and ocean monuments). They also are the only single structure that is designed to hold water (not to be confused with a waterlogged structure).
 * Contrary to some beliefs, desert wells do not signify a village being nearby.