EPA TMDL Grant and Marin Watershed Program Update Boyle Park, Mill - - PowerPoint PPT Presentation

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EPA TMDL Grant and Marin Watershed Program Update Boyle Park, Mill - - PowerPoint PPT Presentation

EPA TMDL Grant and Marin Watershed Program Update Boyle Park, Mill Valley Presentation to the NBWA Watershed Council May 7, 2013 Overview Boyle Park restoration site and design Community and TMDL outreach Monitoring Schedule


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EPA TMDL Grant and Marin Watershed Program Update

Boyle Park, Mill Valley Presentation to the NBWA Watershed Council May 7, 2013

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Overview

  • Boyle Park restoration site and design
  • Community and TMDL outreach
  • Monitoring
  • Schedule
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SLIDE 3

Boyle Park

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Project site

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Upstream end of project reach, some willows and bays, understory dominated by ivy.

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Blackberry to be removed and channel banks revegetated with

  • natives. New split rail fencing to be installed along edge of Elm Ave.
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Looking downstream at concrete, ivy, and Himalayan blackberry

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Incised channel at downstream reach

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  • Reduce pathogen delivery through increased infiltration

through a healthy riparian area

  • Improve water quality in a tributary to Warner Creek
  • Restore the riparian corridor
  • Removal of invasive non-native vegetation
  • Revegetate with native species
  • Re-contour the incised channel to provide an active

channel and floodplain

  • Provide fencing to protect riparian plantings
  • Increase community awareness of water quality and

habitat issues in the watershed

Project goals

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Project Features

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  • Big leaf maple

4

  • Box elder

3

  • CA buckeye

4

  • Coast redwood

6

  • Coyote brush

23

  • Creek dogwood

6

  • Toyon

6

  • Coffeeberry

27

  • Pink flowering currant

7

  • CA rose

14

  • Elderberry

8

  • Sedges, fescue, rushes

270

  • Native grasses and flower seed

Planting List

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SLIDE 13
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Outreach

  • Two STRAW restoration

days

  • Community day
  • Stormdrain stenciling
  • Signage
  • Waste bag dispenser
  • www.marinwatersheds.org
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TMDL Outreach

  • Stormwater-focused outreach

– Messaging to pet owners at dog parks, open space, municipal parks and at pet-related businesses – Boat and marina outreach through free tide calendars – Outreach to nurseries and also through the Bay- friendly landscaping program to reduce over-irrigation and runoff – Best Management Practice (BMP) materials for restaurants to address proper disposal of cleaning water

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Monitoring

  • STRAW restoration monitoring: 3 years
  • Rain gauge data
  • Marina and houseboat monitoring
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Schedule (optimistic)

  • Permits submitted
  • Public bidding for grading early this summer
  • Construction this fall
  • Revegetation will occur the first winter after

construction

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Questions?

Chris Choo, Watershed Planner cchoo@marincounty.org 415.473.7586