Logo muenchen.de - the official city portal (To the homepage)
Water law permit - building in flood areas
Eine Seite der Landeshauptstadt München.

Water law permit - building in flood areas

A water law permit is required for the construction or extension of buildings in floodplains.

Contact points

Required documents

The application form must be submitted with the documents specified in the form in order to obtain authorisation under water law. If changes are to be made to the site without erecting a structure (building), an authorisation must be applied for.

In addition, the information sheet on the flood-adapted design of the construction project must be submitted for authorisation.

Duration and costs

Processing time

four weeks to three months, depending on the complexity of the case

Fees and charges

up to 0.6 per cent of the construction sum, depending on the work involved

Available payment methods

Legal basis

  • §§ Sections 76 to 78 of the Federal Water Act (WHG)
  • Articles 46 and 47 of the Bavarian Water Act (BayWG)
  • Floodplain ordinances

Links and downloads

Contact Us

Referat für Klima- und Umweltschutz
Sachgebiet Wasserrecht Landeshauptstadt München

Internet address

Postal address

Landeshauptstadt München
Referat für Klima- und Umweltschutz
Sachgebiet Wasserrecht

Bayerstraße 28a
80335 München

Address

Bayerstraße 28a
80335 München

Monday to Thursday9.30 to 15

Friday9.30 to 13 o'clock

and by telephone arrangement

How to find us

Public transport

Related services

Water law permit - geothermal probe/ geothermal collector

A permit under water law is required for the construction of a geothermal system (probe, collector, baskets or similar) with groundwater contact.

Display for a garden fountain

If you wish to install a well to irrigate your private garden with groundwater, you must give at least one month's notice.

Tree felling - Protected tree species

In Munich, certain trees are specially protected by the Tree Protection Ordinance. These trees may only be cut down or pruned with authorisation.

Completion of the replacement planting

If you have felled a tree, a replacement planting may be required as compensation. The completion of this replanting must be reported.

Drilling and working in groundwater

Work that penetrates so deeply into the ground that groundwater could be encountered must be reported at least one month before the planned start of work.

Water permit - heat pump/ cooling system from 50kW

Anyone operating a groundwater heat pump or cooling system and thus pumping or infiltrating groundwater via a well requires a permit under water law.

Water licence - heat pump/ cooling system up to 50kW

If you operate a heat pump or cooling system and extract or infiltrate groundwater via wells, you will need a permit under water law.

Water law permit - rainwater infiltration in water protection areas

A permit under water law is required for the infiltration of rainwater into the ground in a water protection area.

Water law permit - construction projects in groundwater

If you intervene in the groundwater during a construction project, a permit under water law is required.

Report tree damage (during construction work)

If trees are damaged without authorisation, owners or polluters can be obliged to restore or plant replacement trees.