Tap water isotopes reveal the San Francisco Bay Area’s plumbing and responses to a major drought

Brett James Tipple1,2, Mohd Yusuf Jameel3, Thuan H Chau2, Christy J Mancuso1, Gabriel J Bowen4, Alexis Dufour5, Lesley A. Chesson2 and James R Ehleringer1, (1)University of Utah, Department of Biology, Salt Lake City, UT, United States, (2)IsoForensics, Inc., Salt Lake City, UT, United States, (3)University of Florida, School of Forest Resources and Conservation, Ft Walton Beach, FL, United States, (4)University of Utah, Geology and Geophysics, Salt Lake City, UT, United States, (5)San Francisco Public Utilities Commission, San Francisco, CA, United States