Water source

Well placement rules on a plot

Spain · Auxiliary · depends on foundation

A well or borehole should keep a sanitary protection gap from contamination sources — at least about 20 m from any septic tank, sewer, toilet or compost (more if groundwater flows toward the well) — and the Civil Code regulates distance from a neighbour's wall.

Use in planner All objects

Placement rules

A drinking-water source should be planned before septic and compost locations are fixed.

Boundary setback

Setbacks from plot boundaries and neighbouring buildings.

Distance to neighbour wall Protective distance per local rules (Civil Code art. 590) Spanish Civil Code, Article 590 (constructions near a neighbour's wall: wells, sewers, ovens, chimneys, stables, corrosive deposits) — distances per local regulations/customs

Sanitary zone

Sanitary protection distances to wells, drinking water and dwellings.

Well / borehole sanitary zone

Distance to septic / sewer / toilet At least ~20 m recommended (more if groundwater flows toward the well) Well-to-septic / contamination separation: at least ~20 m recommended (more if groundwater flows toward the well)

Important limitation

The catalog is a planning aid, not a legal opinion. Before construction, check the land plot category, local land-use and development rules, easements, utility protection zones and neighbour buildings.