The Rainwater Connection - Completed Projects - Foster Point Road, Thetis Island

Rainwater Collection & Harvesting Systems

harvesting systems - design
installation - service

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Foster Point Road, Thetis Island

Potable water system -100% rainwater & Emergency Cross Connection to well water

This rainwater catchment system was designed for an existing home on Thetis Island, BC. The owners decided to "spend money this year on good water, renovate bathroom next year". The system was converted from a garden water system - "why should the garden get all the good water?".

Rainwater is also used for fire protection reserve.

Steel Cistern

System Features

Old but healthy asphalt shingle roof with 1,470 square feet of catchement area
Treed site requires seasonal gutter guard - adds $200/yr to maintenance costs
Aluminum downspout to leaf trap and standpipe
Catchment pipe underground
Final gravity filter & flow past roof washer box
Rainwater surge tank (800 gallon) provision for a manual topping-up with well water
Standard 1/2 hp jet pump from surge tank
12,000 gallon polypropylene lined steel cistern (shown at left)
Particle filter and ultraviolet system for water disinfection

Gutter Guards

Traditional Downspout with leaf trap

Rainwater up-line to cistern, pump and filters


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