water district cross the bridge where we get our water
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Water District Cross the Bridge Where We Get Our Water WALKER - PowerPoint PPT Presentation

Meet eet th the Marin Municipal Water District Cross the Bridge Where We Get Our Water WALKER CREEK WATERSHED North Marin MMWD Service Area Water District (147 sq miles) TOMALES BAY LAGUNITAS Mt. Tam Watershed CREEK (21,250 acres)


  1. Meet eet th the Marin Municipal Water District

  2. Cross the Bridge

  3. Where We Get Our Water WALKER CREEK WATERSHED North Marin MMWD Service Area Water District (147 sq miles) TOMALES BAY LAGUNITAS Mt. Tam Watershed CREEK (21,250 acres) WATERSHED MMWD Reservoirs Stinson Beach County Water District

  4. Where Our Water Goes Fish Releases, 0.299625468 Residential, 46% Non-Revenue 7% Business, Large Landscape 0.070911361 Irrigation, 6% Public Agencies, 0.037453184

  5. Revenue and Expenses Where does each dollar come from? Where does each dollar go?

  6. Before MMWD

  7. 1870-1912 In the late 1800s, there were 26 privately Marin owned water companies in Marin. Water & Power North Coast Water Co. Marin County Water Co. Lagunitas Water Co. Tamalpais Land & Water Co.

  8. 1916

  9. 1919 “You are encouraged to use more water because the completion of the new Alpine Dam has placed unlimited water at your disposal”

  10. 1977

  11. Drought of Record 1975-78

  12. Population and Water Use 40,000 200,000 Water Production Population 190,000 35,000 180,000 Water Production (AF) 170,000 30,000 Population 160,000 25,000 150,000 140,000 20,000 130,000 120,000 15,000 110,000 10,000 100,000

  13. Rates 1990 -2010

  14. Revenue, Rates, and Water 2004-14 Revenue Recovery Tier Operational Collapse 2020 Goal Yield (124 GPCD) (130 GPCD) 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Conservation Investment ($/YR) Water Production (GPCD) Water Rate ($/CCF) Conservation Investment Trendline Water Use Trendline Water Rate Trendline

  15. Tiered Rates 2012-Now TIERS CURRENT RATIO CURRENT RATE CCF’s PER TIER 1 1 $3.74/ccf 1-26 2 1:2 $7.48 27-59 3 1:4 $14.97 60-99 4 1:6 $22.45 100+

  16. 2013 Rain Vacation Lake Lagunitas Rainfall Data from 1879, inches 70 60 50 40 65 30 52 20 10 19 11 0 Average 2012 1929 2013

  17. 2013 Consumption

  18. 2014 Consumption

  19. Water Rate Restructuring • Water Rate Advisory Committee 2010 • Fourteen members selected from community • Met once a month for more than two years • Goals:  To ensure an adequate revenue stream for the district  To ensure that costs are allocated equitably across all customer categories • Submitted report to Board of Directors December 2012 • New board committee formed April 2013 to develop new rate structure proposal • Draft Cost of Service Analysis completed September 2015

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