Erlaubnisänderung für das Direkteinleiten von Niederschlagswasser in Gewässer beantragen

If you wish to change a discharge of precipitation water for which you have a permit under water law, you must apply to the competent authority for a change of permit.

If you wish to infiltrate rainwater or discharge it into a surface water body, you generally require a permit under water law.

If you wish to change a project for which you have a permit under water law, you must apply to the competent authority for a change of permit.

Precipitation water is water that runs off from built-up or paved areas.

Surface waters are rivers, lakes, canals, streams, ditches and ponds.

The permit specifies the type and extent of use. It may be subject to conditions and ancillary provisions. In contrast to an authorization, a permit can be revoked by the authorities.

• Application
• Calculations on the load and need for treatment of the rainwater
• Hydrogeological report (for infiltration)
• Description, illustration, dimensioning of the infiltration system
• Proof that infiltration is not possible (for discharge into surface waters)
• Details, illustration and mathematical proof of the required rainwater retention facility
• General plan
• Site plan
• Extract from the cadastral map
• Drawing of the structure or facility
• Accompanying nature conservation planning, including entry in the compensation area register for new facilities
• Technical contribution to the Water Framework Directive

• Certificate of competence

• The responsible authority has a permit for the project under water law.
• The harmfulness of the precipitation water is kept as low as possible according to the state of the art.
• The discharge is compatible with the requirements for water characteristics and other legal requirements.
• If necessary, systems or other facilities are installed and operated in order to comply with these requirements.

The fees stated apply to new permits.

You can apply to your local water authority for an amendment to the permit for the direct discharge of precipitation water. The general procedure is as follows:

• Send your application for a permit change with the required documents to the responsible water authority.
• This
  • checks that your application and documents are complete and contacts you if any information or documents are missing,
  • examines your application from a water management and water law perspective and involves other authorities if necessary.
• You will receive
  • a notice of amendment for the permit or
  • a notice of rejection
• You will also receive a fee notice.
• You pay the fee.

The processing time depends in particular on the quality and scope of your application and the documents.

There is no statutory deadline. Apply for the permit change well in advance of the planned change to the discharge.

Contradiction

• Amendment to the permit for the direct discharge of precipitation water into bodies of water Approval
• A permit under water law is required for the seepage of precipitation water into the groundwater or the discharge of precipitation water into surface waters.
• If a project for which a permit under water law has been granted is to be changed, an application must be made to the competent authority for an amendment to the permit.
• Precipitation water is water that runs off from built-up or paved areas
• Surface waters are rivers, lakes, canals, streams, ditches and ponds
• Prerequisite: No damage to groundwater or surface waters is to be expected as a result of the project
• Documents required, if applicable:
  • Information on the existing permit
  • Calculations on the load and need for treatment of the precipitation water
  • Hydrogeological report (for infiltration)
  • Description, illustration, dimensioning of the infiltration system
  • Proof that infiltration is not possible (for discharge into surface waters)
  • Details, illustration and mathematical proof of the required rainwater retention facility
  • General plan
  • Site plan
  • Extract from the cadastral map
  • Drawing of the structure or facility
  • Accompanying nature conservation planning, including entry in the compensation area register for new facilities
  • Technical contribution to the Water Framework Directive
• Application is subject to a fee
• Responsible: competent authority of the respective federal state

Please contact the responsible Structural and Approval Directorate North or South.