Number 1 would actually be STOP RAISING ANIMALS FOR FOOD. and stop watering the crops that are used to feed animals that are raised for food.
Just sayin. Easy enough fix. Cowspiracy dot com.
Fracking (hydraulic fracturing) water use ranges from 70-140 billion gallons annually.
“Draft Plan to Study the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources.” EPA Office of Research and Development. United States Environmental Protection Agency, 2011.
Animal agriculture use ranges from 34-76 trillion gallons of water annually. [ii]
Pimentel, David, et al. “Water Resources: Agricultural And Environmental Issues.” BioScience 54, no. 10 (2004): 909-18.
Barber, N.L., “Summary of estimated water use in the United States in 2005: U.S. Geological Survey Fact Sheet 2009–3098.”
Agriculture is responsible for 80-90% of US water consumption.
“USDA ERS – Irrigation & Water Use.” United States Department of Agriculture Economic Research Service. 2013.