If you want to carry out so-called earth outcrops, you must report this to the competent authority. Outcrops are boreholes or other earthworks that extend so deep into the ground that they can affect the movements or nature of groundwater.

The notification is required for the following projects:

• Old mining exploration or cavity exploration
• Investigation of contaminated sites (except groundwater measuring points)
• Well
• Geochemical investigation
• Geophysical survey
• Geothermal outcrops (other)
• Groundwater measuring point (except wells)
• Engineering geological investigation or ground investigation
• Mapping (except base drilling)
• Raw Material Exploration Drilling
• Other information purposes
• Geothermal use with groundwater heat pumps

Each well provides data for the assessment of the subsurface at the respective location. The display enables the competent authorities to get an impression of the drilling project and the material produced on site. The authorities can carry out supplementary measurements and ensure the quality of the drilling results. This prevents costly wrong decisions in underground spatial planning.