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Water supply system

SUE “Vodokanal of St.Petersburg” provides drinking water to the population of 4,568,000 people (as of 01.01.2008) as well as to companies and organizations of the city - 17,500 customers.
Vodokanal’s activities related to provision of water supply services include the following:
- Water intake and water treatment;
- Water distribution. St.Petersburg takes water from surface and underground sources.
The main water source is the Neva River; more than 96% of water is taken from the Neva and channeled to 5 major waterworks.
  • Main Waterworks (MW)
  • Northern Waterworks (NW)
  • Southern Waterworks (SW)
  • Volkovskaya Waterworks (VW)
  • Waterworks in Kolpino
St. Petersburg water supply system is a complex of engineering structures providing uninterrupted water supply to the consumers. The complex includes 4 waterworks in the city, 5 waterworks in the suburbs, 177 boosting pumping stations, 6,391.2 km of networks.

The whole water supply system is divided into water supply zones:
  • water supply zone “North”
  • water supply zone “South”
  • water supply zone “Center”
The source of water supply zones is the main waterworks.
Each water supply zone is divided into water supply districts. The sources of water supply districts are, as a rule, several boosting pumping stations. The district area can be isolated with stop valves or limited by metering instruments.
The water supply districts are divided into water supply sectors.
Each sector is divided into segments. A segment is a basic territorial unit of the water supply system served by one structural division – team.
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