Stormwater runoff from the built environment, often mixed with contaminants, has a damaging effect on local and downstream ecosystems. Porous paving products and vegetated roofing systems result in less rainwater runoff and thereby reduce surface water pollution. Stormwater treatment systems reduce pollutant levels in any water that is released. Again, quantifiable benefit and a strong track record are important determinants here of “green.”
Rain Harvesting Components
Rain Harvesting Pty Ltd. offers rainwater catchment components including gutter screens, rainheads, first flush diverters, flap valves, filter pits, vermin-proof screens, and overflow valves.
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All toilets and most showerheads today meet the federal water-efficiency standards, but not all of these products perform satisfactorily. With toilets and showerheads, we include products that meet or exceed WaterSense standards, which includes performance requirements—although we go beyond WaterSense where there are issues not adequately addressed by the program. We also look for other products that conserve potable water, such as rainwater catchment and graywater recovery and reuse systems.
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While resilience—the ability to weather natural disasters and maintain livable conditions in the aftermath of disruptive events—is mostly an issue of building design and community preparedness, certain products can help. For example, almost all heating systems require electricity to operate even if their primary fuel is oil, gas, or wood pellets; systems that allow operation even if grid electricity is not available are more resilient in the event of power outages. Rainwater harvesting, water storage, composting toilets, and waterless urinals contribute to resilience not only in drought-prone areas but also during power outages in any home dependent on well water. Solar water heating systems that can operate without utility power, and back-up power systems that are more energy-efficient than standard generators, may have this attribute.
Rain Harvesting Pty Ltd. offers rainwater catchment components including gutter screens, rainheads, first flush diverters, flap valves, filter pits, vermin-proof screens, and overflow valves. It also offers a 144-page introductory handbook describing the processes, materials, and uses of rainwater harvesting. Most components offered are made with stainless steel and PVC. No recycled plastic is used in manufacturing these components due to the potential for lead contamination of potable water; only lead-free virgin resins are used. Orders made at the company's website are shipped from the company's warehouse in Illinois or drop-shipped from Australia. The company provides customer support in North America via the Internet and email.
33 10 05: Rainwater Harvesting Systems and Components
Rainwater harvesting is the practice of collecting and using rainwater, most commonly from roofs. Use of collected rainwater can provide building owners with high-quality soft water for irrigation and potable uses, reduce pressure on water-treatment plants, and reduce stormwater runoff and flooding. To use as potable water, filtration and purification are necessary.
GreenSpec includes a wide range of rainwater harvesting systems and components, including storage tanks and filtration systems for rainwater collection or treatment.
In addition to looking for products that meet your functional requirements, look for products with other environmental features such as recycled content, recyclability, and other materials-related benefits. Many rainwater products are formulated with performance in mind, and don't include recycled content, but GreenSpec hopes that will change and we will highlight such products in the future.
LEED Credits
SSc6: Stormwater Quantity Control
SSc6.1: Stormwater Design—Quantity Control
WEc1: Water Efficient Landscaping
WEc1: Water Use Reduction
WEc1.1-1.2: Water Efficient Landscaping
WEc3: Water Use Reduction
WEc3: Water Efficient Landscaping
WEc3.1-3.2: Water Use Reduction
WEp1: Water Use Reduction—20% Reduction
WEp1: Minimum Indoor Plumbing Fixture and Fitting Efficiency
WEp1: Water Use Reduction
Ratings and Commentary
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Manufacturer Information
Rain Harvesting Pty, Ltd
1005 N Commons Dr.
Aurora, IL
www.rainharvesting.com
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