Re "What about our scarce water?" and "Fracking all over California" (Letters, Forum, Oct. 6): The two letters got the facts on hydraulic fracturing entirely wrong. One quoted an inaccurate Sierra Club claim that hydraulic fracturing uses millions of gallons of water in California. On the contrary, the average one-time hydraulic fracturing operation used 116,000 gallons of water in 2012. For perspective, the average California golf course uses 312,000 gallons per day. Put differently, all the water used for all fracturing in California last year is used by the state's golf courses in about half a day. The second letter conflates 54,000 producing oil and gas wells with "fracked" wells. In California, owing to our unique geology, hydraulic fracturing is relatively uncommon. Fewer than 600 wells were fractured in California in 2012, out of more than 2,000 drilled. Regardless, as state regulators here and elsewhere have stated, fracking is fundamentally safe and risks are manageable.
-- Dave Quast, Glendale, California director, Energy in Depth (affiliated with the Independent Petroleum Association of America and the California Independent Petroleum Association)