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Water law permit - rainwater infiltration in water protection areas

Water law permit - rainwater infiltration in water protection areas

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

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Soakaway shafts and soakaway wells are not permitted.

Rainwater from uncoated roof surfaces made of copper, zinc or lead must not be allowed to seep away.

Required documents

All documents are required in triplicate on paper and also in digital form

  • Informal application
  • Explanation of the project with rainwater calculation (heavy rainfall) see worksheet DWA-A 138 and leaflet DWA-M153
  • Drainage entry plan (M = 1:100) with sectional and floor plans
  • Site plan M = 1:1,000

Duration & Costs

Processing time

Depending on the complexity, four weeks to three months.

Fees

200 euros to 1,000 euros, depending on the amount of work involved.

Payment methods available

Legal basis

Water Resources Act
Bavarian Water Act
Water protection area ordinances

Landeshauptstadt München

Referat für Klima- und Umweltschutz
Sachgebiet Wasserrecht

Internet

Postal address

Landeshauptstadt München
Referat für Klima- und Umweltschutz
Sachgebiet Wasserrecht

Bayerstraße 28a
80335 München

Address

Bayerstraße 28a
80335 München

Accessibility

  • Barrier-free access
  • Disabled parking

All citizens' offices on the 4th floor (rooms 4068 and 4071) are barrier-free.

Directions

Public transport

Related services

Water permit - heat pump/ cooling system from 50kW

Anyone who extracts or infiltrates groundwater via a well and uses it to operate a groundwater heat pump or cooling system requires a water licence.

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

Anyone who pumps or infiltrates groundwater via a well and uses it to operate a groundwater heat pump or cooling system requires a permit under water law.

Water law permit - building in flood areas

A permit under water law is required for the erection or extension of structures in an identified and mapped floodplain.

Water law permit - construction projects in groundwater

In the course of a construction project, there may be interventions in the groundwater for which a permit under water law is required.

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.

Drilling indicator well - heat pump/ cooling system from 50kW

Drilling for the construction of extraction and absorption wells for groundwater heat pumps or cooling systems must be notified in good time before drilling work begins.

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.

Display for a garden fountain

If you want to construct a well to water your private garden with the groundwater, you must notify us at least one month in advance.

Report tree damage (during construction work)

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

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.