Rainwater harvesting
Revision as of 18:57, 26 December 2023 by Aesetholephews (talk | contribs)
Yield: 1 acre * 1 inch rainfall per year = 6.273e+6 in^3 / year = 27160 gallons per year Usage estimate:
- 50-70% of household usage is outdoors (e.g. lawns and gardens), average American uses 100 gal/day source: CT DPH
- Average American uses 82 gal/day source: USGS
- Average Californian uses 108 gal/day source: National Environmental Education Foundation