Canadian Association for Rainwater Management

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Upcoming Training

    • 29 Mar 2018
    • 10:00 AM - 11:00 AM (PDT)
    • Online Webinar

    We're going well ‪#‎Beyond The Barrel‬ to incorporate rainwater into how we meet our water needs in the face of ever-increasing water demand and water quality challenges.

    This Seminar presents valuable information from simple rain barrels to professional distribution systems for both indoor and outdoor use

    CANARM is a national organization of individuals, businesses, and consultants with a keen interest in the future of rain and storm water management practices. is a resource for education, awareness, training, and connectivity for various groups and individuals involved in the rainwater industry. We will be adding training and upcoming course information, various rainwater calculators to assist in the design of your own rainwater harvesting system, examples of installed rainwater projects, and a directory of trained professionals to help design your residential or commercial rainwater harvesting system.

    Hosted By CANARM President  

    Benjamin MorrisonWater Resources Engineering Technologist 

    Co-Hosted By CANARM Govern of British Columbia, Yukon and the Northwest Territories

    Ken Nentwig, BLA MLA CLM CLD

    • 12 Apr 2018
    • (PDT)
    • VIA Teleconference

    CANARM is actively holding board meeting every month in order to provide great webinars and benefits to our members.   If you want to come to a board meeting please let us know.

    • 18 Apr 2018
    • 10:00 AM - 11:00 AM (PDT)
    • Online Webinar

    Lets take a serious look at how to properly size a rainwater tank!  We will look at 5 methods to size a rainwater tank and compare the results form three different scenarios.  Covering both residential  and commercial scenarios this webinars will help homeowners, plumbers, trades, contractors, builders, engineers, architects, and the public sector. 

    In real world scenarios you can never reach ‘maximum potential’ as there is loss from the roof, pre-filter, and tank overflow events. Furthermore, the size of your tank and how much water is used daily from the tank play an important role in determining how much rainwater you can actually collect and use. Actual usable rainwater forms the basis for determining Return On Investment, as tanks are the single most costly item in a rainwater harvesting system. Determining the smallest tank size that will collect the most water based on the three criteria listed above, will significantly impact the total cost of your rainwater harvesting system.

    An essential element in the design of a Rainwater Harvesting System is the water demand. The use of improper water figures can result in either the system being unable to consistently meet daily water demand of users, hence, requiring the tank to be topped up form trucked water or secondary water supply, or in the case of an over-designed cistern, wasteful capital investment. In either situation it is critical that the water demand value employed in the design process be as representative as possible. 

    Hosted By Benjamin Morrison, Water Resources Engineering Technologist

    CANARM President  

Canadian Association for Rainwater Management

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