Water savings calculator
Estimate how much flushing water your urinals use each year and what that volume costs in variable water and wastewater charges in your municipality.
Illustrative commercial example: illustrative figures, not your building
Flushing water avoided each year
693,500 litres
694 m³ a year
Variable water and wastewater charges on that volume
$3,372 a year
- Five years, litres
- 3,467,500
- Five years, at today's rate
- $16,862
10 urinals × 50 uses × 3.8 L × 365 days × $4.8629/m³
Illustrative estimate of flushing water and variable utility charges avoided if these urinals no longer flushed. It is not a guarantee, a quote or a return-on-investment figure: it excludes purchase, installation, cleaning, consumables such as replacement odour traps, maintenance, fixed utility charges and other operating costs. Five-year values assume today's rate and usage.
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How the estimate is calculated
- Annual flushing water avoided (litres) = urinals × uses per urinal per day × litres per flush × operating days
- Annual volume (m³) = annual litres ÷ 1,000
- Estimated annual variable utility charges = annual m³ × combined variable water and wastewater rate (CAD per m³)
- Five-year values = annual values × 5, at today's rate and usage
What the estimate leaves out
It covers flushing water only. It excludes the purchase price, installation and any drain work, cleaning products, replacement odour traps, servicing labour, fixed or service charges on your bill, and future rate changes. That's why it isn't a net saving or a return-on-investment figure. A facility assessment adds those costs so you can compare them properly.
About the starting values
The calculator opens on an illustrative commercial example: 10 urinals, 50 uses per urinal per day, 3.8 litres a flush, 365 operating days and the City of Toronto rate. The office, busy restaurant and large commercial facility options are also hypothetical. None of them is a measured average for Ontario buildings, and none is an assumption about yours. Replace any value with your own figures at any time, including low usage or 0.5-litre fixtures; the calculator never sets a minimum to make the result look better.
Five-year figures use the same inputs and today's rate. Change an input and both the annual and five-year figures update together.
Beyond the water bill
The calculator only counts flushing water. These benefits don't appear in it, and neither do the costs of looking after waterless urinals.
- Less flushing-system maintenanceWaterless urinals have no flush valve, sensor or water supply line to the fixture, so the leaks, sticking valves and sensor faults those parts cause are no longer part of the urinal's upkeep.
- Water conservationEvery flush avoided is drinking-quality water that doesn't need to be treated, pumped and then treated again as wastewater.
- Specialized odour controlURIMAT urinals use a membrane odour trap that opens when liquid flows and closes again afterwards, with a cleaning block built into the cartridge.
- Care they still needURIMAT urinals need their own routine care: daily bowl cleaning with a compatible cleaner, replacement trap cartridges (URIMAT gives an average of 7,000 to 8,000 uses each), and periodic drain checks. These are ongoing consumable and labour costs, and the assessment includes them.
Municipal rates used
Each preset is the combined variable rate for water and wastewater per cubic metre from the municipality's official rate page or by-law, checked on the date shown. Where rates vary by monthly usage, the preset uses the band noted. Fixed charges are excluded. Rates change, usually each January or April, so check your latest bill. If your municipality isn't listed, choose "Other" and enter the rate from your bill.
| Municipality | Combined CAD/m³ | Effective | Basis | Source |
|---|---|---|---|---|
| City of Toronto | $4.8629 | Jan 1, 2026 | Block 1 combined rate, paid by the due date | Official sourcechecked Oct 28, 2026 |
| City of MississaugaRegion of Peel | $3.453 | Apr 1, 2026 | Region of Peel rate; non-residential wastewater billed on 100% of water | Official sourcechecked Oct 28, 2026 |
| City of BramptonRegion of Peel | $3.453 | Apr 1, 2026 | Region of Peel rate; non-residential wastewater billed on 100% of water | Official sourcechecked Oct 28, 2026 |
| City of VaughanYork Region | $5.562 | Apr 1, 2026 | Combined published rate | Official sourcechecked Oct 28, 2026 |
| City of MarkhamYork Region | $5.3694 | Apr 1, 2026 | Combined rate as published | Official sourcechecked Oct 28, 2026 |
| City of Richmond HillYork Region | $5.9629 | Apr 1, 2026 | Combined rate as published | Official sourcechecked Oct 28, 2026 |
| City of OshawaRegion of Durham | $3.289 | Jan 1, 2026 | Durham Region rate for 46–4,500 m³ per month | Official sourcechecked Oct 28, 2026 |
| City of PickeringRegion of Durham | $3.289 | Jan 1, 2026 | Durham Region rate for 46–4,500 m³ per month | Official sourcechecked Oct 28, 2026 |
| Town of AjaxRegion of Durham | $3.289 | Jan 1, 2026 | Durham Region rate for 46–4,500 m³ per month | Official sourcechecked Oct 28, 2026 |
| Town of WhitbyRegion of Durham | $3.289 | Jan 1, 2026 | Durham Region rate for 46–4,500 m³ per month | Official sourcechecked Oct 28, 2026 |
| City of Hamilton | $5.03 | Jan 1, 2026 | Wastewater charge includes stormwater | Official sourcechecked Oct 28, 2026 |
| City of London | $2.8143 | Jan 1, 2026 | Rate for 35–250 m³ per month | Official sourcechecked Oct 28, 2026 |
| City of Barrie | $4.9046 | May 1, 2026 | Rate for use above 15 m³ per month | Official sourcechecked Oct 28, 2026 |
Not yet included: Halton Region (Oakville, Burlington, Milton), Ottawa and Kitchener. Their figures could not be confirmed directly from a current official page, so they are left out until they are re-checked.