Reddit mentions of Rainwater Harvesting for Drylands and Beyond, Volume 1: Guiding Principles to Welcome Rain into Your Life and Landscape, 2nd Edition

Not a govt program but look up Brad Lancaster. I took a class with him once at UofA. He builds rainwater harvesting systems and has worked with the city on a lot of stuff improving neighborhoods to be more sustainable. My class did a tour of his little eco home around university that runs 100% off rainwater and solar year-round. Guy had a rainwater shower and a full washing machine in his front yard that ran off into the garden haha.

I still refer back to the textbook from class, amazing resource

https://www.amazon.com/dp/0977246434/ref=cm_sw_r_cp_apa_i_yIHjDbPWDWVXD

Permaculture: A Designer's Manual is considered the bible for permaculture because of how comprehensive it is and how much information is packed into that book. It won't explain all of the effective strategies for different climates that we've developed over the last 30 years but I would definitely start there for the foundation. Then move on to books on topics that are specific to a particular topic within permaculture design.

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My Recommendations:

• Permaculture: A Designers Manual - https://www.permaculturedesignersmanual.com/product-page/permaculture-a-designers-manual
  
• Gaia's Garden - https://www.amazon.com/Gaias-Garden-Guide-Home-Scale-Permaculture/dp/1603580298
  
• Rainwater Harvesting for Drylands and Beyond - https://www.amazon.com/Rainwater-Harvesting-Drylands-Beyond-2nd/dp/0977246434
  
• dirt: The Erosion of Civilizations - https://www.amazon.com/Dirt-Civilizations-David-R-Montgomery/dp/0520272900
  
• The New Wild: Why Invasive Species will be Nature's Salvation - https://www.amazon.com/New-Wild-Invasive-Species-Salvation/dp/0807039551
  
• The Worm Farmer’s Handbook: Mid- to Large-Scale Vermicomposting for Farms, Businesses, Municipalities, Schools, and Institutions - https://www.amazon.com/dp/1603587799/
  
• The Humanure Handbook, 4th Edition: Shit in a Nutshell - https://www.amazon.com/Humanure-Handbook-4th-Shit-Nutshell/dp/0964425882