Toronto Water at a Glance
Toronto Water is made up of six sections:
- Water Treatment & Supply
- Wastewater Treatment
- District Operations
- Water Infrastructure Management
- Operational Support
- Business Operations Management
Looking for quick information about Toronto Water on-the job, its many assets (plants, sewers, etc.) and how they operate? Start here.
Toronto Water statistics
- 1,546 full-time employees
Water Treatment and Supply
- 4 water treatment plants: R.C. Harris, F.J. Horgan, R.L. Clark, Island
- 18 water pumping stations
- 102 pumps
- 548 kilometres of trunk watermains
- 470,202 water service connections
- 10 underground storage reservoirs
- 4 elevated storage tanks
- 5,480 km of distribution water mains – if laid end-to-end, would cover the entire distance from Newfoundland to British Columbia, with pipes to spare!
- 40,460 water hydrants
- 52,900 valves
- 4 wastewater treatment plants: Ashbridges Bay, Highland Creek, Humber, North Toronto
- 3 wastewater plant laboratories at Ashbridges Bay, Highland Creek, Humber
- 82 wastewater pumping stations
- 358 km of trunk sewers
- 4,397 km of sanitary sewers
- 1,301 km of combined and 4,305 km of storm sewers
- 463,300 km sewer service connections
- 5 wastewater storage/detention tanks
- 88 stormwater management facilities
- 2,300 outfalls
- 122,500 catch basins
- 120,000 maintenance holes
- 546 km of roadside ditches
- 371 km of watercourses
Usage, rates and infrastructure
- 2011 water usage: 462,106 ML
- Toronto - 387,876 ML
- York Region -74,230 ML
- F.J. Horgan Water Treatment Plant: 88,695 ML
- R.C. Harris Water Treatment Plant: 165,466 ML
- Island Water Treatment Plant: 91,553 ML
- R.L. Clark Water Treatment Plant: 116,392 ML
- Average daily water demand is approximately: 1,270 ML/day.
- The maximum daily demand in 2011 was 1,885 ML and occurred on July 21, 2011.
- Average daily water demand is approximately: 1,194ML/day... more than enough to fill the Roger's Centre!
- The maximum daily demand in 2010 was 1,769 ML and occurred on July 7, 2010
- 2011 Wastewater treated: 441,116 ML
- Ashbridges Bay = 227,355 ML (51.5% of total)
- Humber = 139,970 ML (31.7%)
- Highland Creek = 62,753 (14.2%)
- North Toronto = 11,037 ML (2.5%)
- Residential water usage accounts for approximately 51% of water used in City
- Toilets are the #1 indoor water users they account for 28% of total indoor water use (100 litres of water/day).
- 438 billion litres of wastewater (sewage) is treated each year
- The annual estimated cost of water, for the average Toronto household using 300 cubic metres in 2011 is $674 per year ($1.85 per day). This rate includes costs for all water services including drinking water, wastewater and stormwater treatment.
- Toronto has one of the lowest water rates in the GTA.
- The average age of the City's watermain pipes is 54 years old.
- Approximately 17 per cent are 80 to 100 years old and 6.5 per cent of the watermains are more than 100 years old.
- There are approximately 1,500 watermain breaks per year.
- The average age of the sewer pipes is 48 years old.
- Approximately 7 per cent are 80 to 100 years old and 4 per cent are more than 100 years old.
Customer Profile (Residential and Industrial, Commercial & Institutional)
- Total accounts: 474,000
- Flat rate 59,000 (originally 72,000 before the water meter program, approx 13,000 have been installed since program inception)
- Metered: 415,000
The Toronto Water Meter Program (launched in 2010) will replace or install new automated meters in every home and business in the city by the end of 2015.
Last updated: September 11, 2012