Water by numbers

The Guelph drinking water treatment and distribution system is comprised of the following:

  • 21 operational groundwater wells and a shallow groundwater collector system
  • 31 Water Services facilities, including facilities for water sources, supply, treatment, storage or transfer
  • All water in the drinking water system is treated with sodium hypochlorite (for chlorine disinfection) with some sources also using ultraviolet (UV) light disinfection and some sources using sodium silicate for aesthetic purposes to sequester dissolved iron and manganese
  • 5 underground storage reservoirs with an approximate combined capacity of 48,000 cubic metres (48 million litres)
  • 3 water towers with an approximate combined capacity of 11,200 cubic metres (11.2 million litres)
  • About 556.7 kilometres of buried watermain
  • About 4,245 watermain valves
  • About 2,798 fire hydrants
  • About 44,000 fully metered water service connections

In 2018:

  • A total of 17,319,049 cubic metres (17.3 billion litres) of water was treated and pumped to the system;
  • The average daily water demand was 47,449 cubic metres (47.4 million litres);
  • The highest daily use of water was 56,909 cubic metres (56.9 million litres) on July 11; and
  • The lowest daily use of water was 33,872 cubic metres (33.8 million litres) on December 26.

For all the details of the Guelph Drinking Water System, review the latest Annual and Summary Water Services Report.