https://www.energy.gov/femp/rainwater-harvesting-tool
The Pacific Northwest National Laboratory (PNNL) in collaboration with the Federal Energy Management Program (FEMP) developed an online GIS-based Rainwater Harvesting Tool
to help federal agencies strategically prioritize commercial rainwater harvesting projects by providing rainwater harvesting potential across the United States.
The mapping tool provides three layers of data for rainwater harvesting potential:
State-by-state Rainwater Harvesting Regulations: State-by-state rainwater harvesting regulations.
Rainwater Harvesting Potential for Year-round Collection: Relative potential to collect rainwater throughout the year across the United States.
Rainwater Harvesting Potential for Landscape Irrigation: Relative potential to collect rainwater specifically conducive for irrigating landscape.
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