Among other damage, they stole between 60,000 and 100,000 gallons of water each day from the wilderness streams, drying out riparian zones and streams that all kinds of wildlife depend upon. www.blm.gov/ca/st/en/info/newsbytes/2013/562xtra_marijuana_cleanup.html New laws of the land for 2013 (San Jose Inside, 1/2/13)