Water Supply Update Infrastructure Services Committee April 16, 2020 Remko Rosenboom General Manager, Infrastructure Services www.scrd.ca www.scrd.ca 1
Snow Surveys – March 2020 • Chapman Snow Water Equivalent at about average Snow Depth & Water Equivalent (SWE) - Chapman Snow Course March 400 Depth: 272 cm 350 300 Ave. Depth: 275 cm CENTIMETERS (CM) 250 200 SWE: 118 cm 150 Ave. SWE: 107 cm 100 50 0 1993 1994 1995 1996 1997 1998 2000 2001 2002 2003 2017 2018 2019 2020 Snow Water Equivalent (SWE) Snow Depth Ave. SWE Ave. Depth www.scrd.ca 2
Snow Surveys – March 2020 • Edwards Snow Water Equivalent at about average Snow Depth & Water Equivalent (SWE) - EDWARDS Snow Course March 300 Depth:201 cm 250 Ave. Depth: 199 cm 200 CENTIMETERS(CM) 150 SWE: 77 cm 100 Ave. SWE: 72 cm 50 0 1993 1994 1995 1996 1997 1998 2016 2017 2018 2019 2020 Snow Water Equivalent (SWE) Snow Depth Ave. SWE Ave. Depth www.scrd.ca 3
Snow pack - April 2020 • SCRD snow survey: no April/May sampling due to COVID-19 safety measures • High alpine weather station Coastal Hydrology and Climate Change Research Lab: broken instrumentation since March 2020 • Estimated to be about average based on other weather stations www.scrd.ca 4
Other snow survey weather stations www.scrd.ca 5
Weather Last several weeks: Cooler and dryer than average, delayed start snow melt Currently: Warm and very dry snow melt started Forecast until June: Increased likelihood of warmer then normal Precipitation from June onwards will drive actual summer water supply www.scrd.ca 6
Drought Response Plan • Update Bylaw 422 at Board meeting April 22, 2020 • Stage 1 in effect as of May 1, 2020 • Uncertainty about the demand due to COVID-19 Pandemic - Increased water use for handwashing - Residents at home all summer - Increased occupation by second home owners - Less tourist than normal - Increased focus on gardening in general - Increased focus on homegrown food www.scrd.ca 7
Questions? www.scrd.ca 8
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