Water Supply Update Infrastructure Services Committee April 16, - - PowerPoint PPT Presentation

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Water Supply Update Infrastructure Services Committee April 16, - - PowerPoint PPT Presentation

Mar 17, 2023 142 likes •238 views

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

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Water Supply Update Infrastructure Services Committee April 16, 2020

Remko Rosenboom General Manager, Infrastructure Services

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  • Chapman Snow Water Equivalent at about average

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Snow Surveys – March 2020

SWE: 118 cm Depth: 272 cm

  • Ave. SWE: 107 cm
  • Ave. Depth: 275 cm

50 100 150 200 250 300 350 400 1993 1994 1995 1996 1997 1998 2000 2001 2002 2003 2017 2018 2019 2020

CENTIMETERS (CM)

Snow Depth & Water Equivalent (SWE) - Chapman Snow Course March

Snow Water Equivalent (SWE) Snow Depth

  • Ave. SWE
  • Ave. Depth
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Snow Surveys – March 2020

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  • Edwards Snow Water Equivalent at about average

SWE: 77 cm Depth:201 cm

  • Ave. SWE: 72 cm
  • Ave. Depth: 199 cm

50 100 150 200 250 300 1993 1994 1995 1996 1997 1998 2016 2017 2018 2019 2020

CENTIMETERS(CM)

Snow Depth & Water Equivalent (SWE) - EDWARDS Snow Course March

Snow Water Equivalent (SWE) Snow Depth

  • Ave. SWE
  • Ave. Depth
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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

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Other snow survey weather stations

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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

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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

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Questions?

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