Mining; defense against hazards from old mining operations

Hazard mitigation measures must be taken to restore and ensure the long-term public safety threatened by abandoned mine workings.


In some areas, the legacies of old mining, such as waste rock piles, pits and adit mouths, are still preserved. Near-surface mining, adits and, above all, surface shafts can lead to deformations and damage to the surface due to the collapse of cavities and the failure of former covers and backfills, some of which are decades to centuries old and no longer meet today's requirements. These become evident through subsidence, cracks and fissures as well as daytime fractures.

These old mining-related damage events, which often occur without any prior signs, usually pose a threat to life, health and property. In addition to agricultural and forestry areas, traffic areas as well as residential and construction areas can also be affected.

The mining offices are responsible for the prevention of hazards from underground mining facilities (mine workings and shafts) that are no longer subject to mining supervision under the Federal Mining Act.

As part of the hazard reconnaissance (§ 55 of the State Criminal and Ordinance Law), a systematic inventory and evaluation of the old mining objects is carried out. A great deal of information is collected so that a reliable risk assessment can be made for the object in question. If this reveals a danger to public safety, the mining authorities initiate safety and remediation measures. The mining authority will only take action as the responsible authority if the person responsible for the damage (the so-called "disturber") cannot be identified.

In addition, the mining authorities also respond to inquiries from third parties and local authorities on issues relating to old mining operations that are no longer subject to mining law, particularly with regard to public safety. This also includes, for example, statements as a public interest group in the course of urban land use planning and in the course of building permit procedures with regard to hazards arising from old mining operations.


Please select a location in "Localization" so that the address of the responsible authority can be filled in.

  • Prefillable Form, Bavaria-wide: Anfrage zu Bergbauhinterlassenschaften (Altbergbau) im Freistaat Bayern
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    This form has to be signed and sent to the responsible authority. You can sign the form manually and send it by email/fax or sign the form electronically with your qualified electronic signature an send it by (secure) email. If the responsible authority has set up a De-Mail account, you can also send the form by De-Mail using an sender-confirmed message.

Status: 19.05.2023

Responsible for editing: Bayerisches Staatsministerium für Wirtschaft, Landesentwicklung und Energie

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