Rainwater harvesting is used to collect large amounts of water from both rain and snow. Collected water is stored in tanks and can be used both outside and inside the home. These systems capture runoff that would normally flow into the City’s storm sewers, which helps reduce the demand on our stormwater infrastructure. Rainwater harvesting systems also save high-quality drinking water from being used for things such as lawn watering and at-home car washes. Rainwater harvesting saves water and money by lowering your utility bills.
To help homeowners understand rainwater harvesting system design and construction requirements, the City of Guelph designed a Residential Rainwater Harvesting Design and Installation Best Practices Manual and All-Season Rainwater Harvesting System Buyers Guide.
Seasonal Outdoor System
The list of off-the-shelf options for rainwater harvesting system seasonal tanks is growing. Homeowners may consider purchasing a system package, or consult with an engineer to design a system to meet their specific needs. The City of Guelph has designed a Residential Rainwater Harvesting Design and Installation Best Practices Manual to help you determine what you need.
To qualify for a rebate, a single-unit seasonal rainwater harvesting system must be ≥500 litres.
To ensure the seasonal tank you purchase and install qualifies, please refer to the following:
246 KBTerms and Conditions: Enhanced Seasonal Outdoor Rainwater Harvesting System Seasonal Tank Rebate Program451 kBSeasonal Rainwater Harvesting System Rebate Application86 kBList of known Seasonal Outdoor Rainwater Harvesting System Seasonal Tank Providers
This list is provided as a courtesy. The City of Guelph: does not endorse any of these retailers or any of their products, services or prices; has not confirmed that these retailers carry products that qualify for rebate through the program; has not confirmed the location of these retailers or verified that these retailers would provide their products or services in Guelph; has not confirmed the quality of the products or services of these retailers; reserves the right to amend or remove this list at any time, without notice.
For more information
Stormwater Service Team
519-837-5604 extension 3486
All–Season Indoor/Outdoor System
During spring and summer, Guelph’s water use increases by as much as 30 per cent due to outdoor activities such as garden and lawn watering, and car washing. In addition, toilet flushing and laundry account for almost 50 per cent of a home’s annual water use. By using free rainwater for these activities a family can cut their water bill in half! All–season indoor/outdoor rainwater harvesting systems are individually engineered for each home. To help homeowners understand rainwater harvesting system design and construction requirements, the City of Guelph has designed a Residential Rainwater Harvesting Design and Installation Best Practices Manual and All-Season Rainwater Harvesting System Buyers Guide. All–season indoor/outdoor systems are required to be designed and constructed in accordance with the Ontario Building Code, and the City of Guelph’s home rainwater harvesting system design standards.
Are you a provider of All-season Indoor/Outdoor Rainwater Harvesting systems and would like to be listed on our website? If so, please contact 519-837-5627 or email@example.com.
- Ontario Guidelines for Residential Rainwater Harvesting Systems (2010)
- Ontario Guidelines for Residential Rainwater Harvesting Systems – Handbook (2010)
- Canadian Guidelines for Domestic Reclaimed Water for Use in Toilet and Urinal Flushing – Health Canada (2010)
- The Texas Manual on Rainwater Harvesting, Third Edition
- Virginia Rainwater Harvesting Manual (2011)
- LID Stormwater Management Planning and Design Guide (2011)
For more information
Frequently asked questions
Rainwater harvesting systems are individually engineered for the home at which they are installed. All–season indoor/outdoor rainwater harvesting systems are required to be designed and constructed in accordance with the Ontario Building Code, and to meet local by–law requirements.To help homeowners understand rainwater harvesting system design and construction requirements, the City of Guelph has designed a Residential Rainwater Harvesting Design and Installation Best Practices Manual and All-Season Rainwater Harvesting System Buyers Guide.
A building permit is required for any installation or alteration to a plumbing system. A seasonal outdoor rainwater harvesting system only requires a building permit if the seasonal system is in any way connected to a home’s plumbing system (e.g. hose bib or other tap). An all–season indoor/outdoor rainwater harvesting system would require a building permit.For more information on these requirements, visit guelph.ca/building.
Seasonal outdoor rainwater harvesting systems can be simple or complex. If installing a single–unit, off–the–shelf system, following manufacturer’s specifications is recommended and can often be done on your own. However, some component–based irrigation systems may require assistance from a contractor or engineer familiar with rainwater harvesting systems and/or a qualified plumbing contractor.The design and installation of an all–season indoor/outdoor rainwater harvesting system must be completed by a rainwater harvesting contractor, engineer and/or qualified plumbing contractor to be eligible for a rebate.
Rebates for approved all-season indoor/outdoor rainwater harvesting systems will be honoured for purchases and installations completed on or after January 1, 2010.
The Ontario Building Code allows for the residential use of treated rainwater for toilet flushing, priming your floor drain, laundry, and outdoor activities such as garden and lawn watering, including subsurface irrigation.
Potential health concerns arise with any type of rainwater harvesting system if rainwater is ingested. If installed incorrectly, an all–season indoor/outdoor rainwater harvesting system’s supply lines may be crossed with the drinking water supply. To prevent this, all water service lines in the home carrying rainwater must be clearly labelled “Non–potable water—do not drink!/Advertisement: Eau non–potable—ne pas boire!” during installation. This labelling serves as an indicator that water carried through these lines is not of drinking water quality, and that plumbing lines should not be crossed during any future work.