* Corresponding authors

^a Research & Development Department, Orange County Water District, Fountain Valley, CA, USA

^b Center for Environmental Mass Spectrometry, University of Colorado, Boulder, CO, USA

^c School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ, USA

^d Civil and Environmental Engineering Department, University of Nevada, Reno, NV, USA

^e California State University, Dominguez Hills 1000 E Victoria St, Carson, CA 90747, USA