Service Portal Niedersachsen Startseite
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IMPORTANT: Select a location.To obtain application forms, location-specific information and contacts, select a town or zip code.

For an area outside of Lower Saxony and foreign languages, some menu items and functions are not available. Please go to the service page of the respective country.

Please specify an area.

Which place to enter?

The location is used to determine the responsible office for the selected administrative service. In most cases you can enter your place of residence to find the competent authority. However, there are also cases in which a different location must be specified. Here are some examples:

Birth certificateYou want to get married and need a birth certificate. You live in Hanover, but you were born in Celle. You must therefore state your place of birth, i.e. Celle.

Business registrationYou would like to register a business in Braunschweig. Your place of residence is Hanover. You must therefore state the location of your future business, i.e. Braunschweig.

Apply for a building permitYou would like to build a house in Wunstorf and therefore apply for a building permit. Her place of residence is currently Hanover. You must indicate the place where the house is to be built. In this case it is Wunstorf.

Handling of water-polluting substances Display

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Installations for handling substances hazardous to water (e.g. the storage of heating oil, petrol, liquid manure) represent a source of danger for water bodies and soil due to the hazard potential.


Anyone wishing to install, erect, operate, shut down or recommission installations for handling substances hazardous to water within the meaning of § 62 of the Water Resources Act (WHG) must notify their project in good time before the start of the measure. Significant changes to the operation must also be notified.

If the project requires other public law regulations (e.g. approval according to the BImSchG), notification according to AwSV is not required.

Who should I contact?

The responsibility lies with the district, the district-free city, the large independent city and the State Trade Inspectorate.

Which documents are required?

Documents may be required. Please contact the competent authority.

What are the fees?

Fees may apply. Please contact the relevant authority.

What deadlines do I have to pay attention to?

Notification Period: 6 Weeks
before the start of the measure

Legal basis

Source: Serviceportal Niedersachsen (Portalverbund des Bundes und der Länder)

Further Links

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Single points of contact of the state of Lower Saxony, Single points of contact of the countries of Europe, advice and assistance for EU citizens and their families.
Access information on the single point of contact for the state of Lower Saxonyvisit Website Internal Market, Industry, Entrepreneurship and SMEsVisit advice and assistance for EU citizens and their families