Figure 5

Monthly MV tap water δ¹⁸O data for samples taken between June 2017 to May 2018 at Coquitlam Water Treatment Plant (CWTP) and Seymour-Capilano Filtration Plant (SCFP). Mean annual MV tap water δ¹⁸O values were – 11.1‰ and – 11.7‰ at CWTP and SCFP, respectively.