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The drinking water supply and sewage disposal of around 3.7 million Berliners is undertaken by Berliner Wasserbetriebe (BWB). It is one of the largest water supply and sewage disposal companies in Germany. In 2018, the BWB invested 346 million euros in Berlin’s supply infrastructure in order to resist extremes of weather and design future-oriented networks. 

Water supply

  • 650 wells
  • 9 waterworks with 7,816 km of pipe network 
  • 275,000 house connections
  • 6 plants for surface water treatment and groundwater recharge
  • 4 intermediate pumping stations, 2 main pumping stations
  • 69,300 hydrants and 93,000 shutoff valves 

Berlin households, industries and businesses consume on average 546,000 cubic metres of fresh drinking water each day. By contrast, the BWB can provide 1.1 million cubic metres per day. Supply shortages are avoided by high production capacity, collaboration between waterworks and central management.

Sewage disposal

  • 10,916 km sewage network
  • 164 wastewater pumping stations
  • Sewage treatment of 252 million cubic metres of water
  • 6 sewage treatment plants 

In dry weather, the BWB’s six sewage treatment plants treat around 624,000 cubic metres of wastewater per day. This includes wastewater from households, businesses and industries as well as rainwater. For several years, the BWB has been intensively researching new techniques for treating wastewater more intensively to meet the high requirements of Berlin sewage treatment using innovative know-how.

(Source: Berliner Wasserbetriebe 2019, figures from 2018)


Berliner Regenwasseragentur

The Berliner Regenwasseragentur has devoted itself to the sensible and climate-friendly treatment of rainwater, founded in 2018 by the state of Berlin and the BWB. Businesses which use rainwater on site create a better city climate, healthier groundwater, less risk of flooding and more greenery. The Berliner Regenwasseragentur helps to use rainwater as a resource. With the GründachPLUS programme, the state of Berlin is helping existing buildings to go green. The Berliner Regenwasseragentur offers initial consultations.

Berliner Regenwasseragentur
Neue Jüdenstr. 1
10179 Berlin

www.regenwasseragentur.berlin