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Septic tank distances
Sanitation

Septic tank distance to house, well and boundary

Spain

To house ~5 m, to well ~30 m, to boundary ~5 m.

Distances and rules

A septic tank is placed at a distance from the house — so it does not undermine the foundation and odour does not reach the windows — and well away from any drinking-water source, since leaks can contaminate a well or borehole. A setback from the boundary is also kept so the tank stays accessible for servicing and pumping.

To well / drinking water About 30 m Spain — RD 223/2008 (RLAT, ITC-LAT 07)
To plot boundary About 5 m Spain — RD 223/2008 (RLAT, ITC-LAT 07)

Important limitation

This is a planning aid, not a legal opinion. Before construction, check the local land-use rules, easements, the network/utility operator’s requirements and neighbour buildings.

Sources