Water source
Well sanitary protection zone: how many metres
Germany
No single national setback applies to every plot. Check the municipality, regional code and utility easements before fixing this zone on the plan.
Distances and rules
Around a drinking-water source you may not place contamination sources. The zone protects the water from septic systems, toilets, compost and chemical stores.
Official local check
Confirm the distance with the municipality / competent authority for the plot.
Baden-Württemberg Building Code, §5–6 (setbacks and boundary structures)
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.