The first water supply system goes back to the 13th century, and the sewer network to the 14th. In the first years of Kraków Waterworks' operation, i.e. in the early 20th century, the water supply system was only 81 km long, and the sewer system - 48 km. As time passed, the infrastructure was constantly expanded and the systems covered more and more regions of the city. As the system grew, the following were gradually built:  water treatment plants, wastewater treatment plants, pumping stations, pressure boosting stations, potable water tanks.
Infrastructure in 1901: Kraków Waterworks today*
  • 206 household water appliances in the city

  • 43 standpost hydrants for water supply

  • 81 km of water mains

  • approx. 48 km of sewers

  • 4 Water Treatment Plants

  • 47 water system tanks

  • 23 pressure boosting stations

  • 3 water pumping stations

  • 2 223 km of water mains

  • 2 Wastewater Treatment Plants

  • 1 Sludge Incineration Plant

  • 6 local wastewater treatment plants

  • 75 wastewater pumping stations

  • 1 869 km of sewers

  • 2 septage receiving units

*data as of the end of 2017

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