- Texas Cooperative Extension
- American Rainwater Catchment Systems Association
- Water Harvesting in Drylands
- Permadesign Rooftop calculator (use for measuring collection area)
- Rainlog.Org - Rain Data
- US Climate Data - Arizona Rainfall Averages
- NSF Certified Products and Systems
- Harvest H2O
- Learn how to use a water level (bunyip) 1 VIDEO
- Learn how to use a water level (bunyip) 2 VIDEO
- Watershed Management Group
- Pumping Rainwater
- Ecosence Sustainable Landscapes : This video shows how to turn an average backyard into a sustainable landscape.
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