Marin County Public Works & Gallinas Watershed Council Lecture for Mont Marin HOA 8/10/11
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Transcript of Marin County Public Works & Gallinas Watershed Council Lecture for Mont Marin HOA 8/10/11
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Alex Kahl, Gallinas Watershed Council & Liz Lewis, Marin County Public WorksAlex Kahl, Gallinas Watershed Council & Liz Lewis, Marin County Public Works
How Can Watershed Planning Support Community Enhancement?
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Overview• Gallinas and Miller Creek: a look back and
forward • What can your community do to maintain our
healthy creeks? • How will future developments impact our
creeks? • Dredging Las Gallinas Creek for recreation • What are our flood control issues?
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Joint map mc and lgc watersheds
Miller Creek and Las Gallinas Creek watersheds
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Las Gallinas Creek- circa 1915
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http://www.nbwatershed.org/millercreek
Miller Creek Timeline
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Lower Las Gallinas Creek 1914
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Marin Historical Society-c 1953
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A Tale of Two Creeks
Steelhead Salmon
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Stepping through the Gallinas Creek watershed
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Diversity in the WatershedDiversity in the Watershed
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Special Status Species in the Gallinas Creek Special Status Species in the Gallinas Creek WatershedWatershed
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Gallinas Watershed CouncilGallinas Watershed Council
Who Are We? Who Are We? Local community members interested in improving Local community members interested in improving
the ecological conditions in the Gallinas Creek the ecological conditions in the Gallinas Creek watershedwatershed
Project Partners:Project Partners:
*MarinLink*MarinLink
*STRAW*STRAW
*MCSTPPP and Marin County Public Works*MCSTPPP and Marin County Public Works
*LGVSD – MMWD – MSS – NSRCR – and more!*LGVSD – MMWD – MSS – NSRCR – and more!
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Gallinas Watershed CouncilGallinas Watershed CouncilGWC Mission:GWC Mission:
To connect the people who To connect the people who live and work in Las Gallinas live and work in Las Gallinas Valley with their watershed.Valley with their watershed.
To educate the community To educate the community regarding the ecological, regarding the ecological, financial and social benefits financial and social benefits of watershed stewardshipof watershed stewardship
To help each other take responsibility for our To help each other take responsibility for our impact on the watershed through protection, impact on the watershed through protection, restoration and education.restoration and education.
To advance conservation action and to protect, To advance conservation action and to protect, restore and enhance the natural resources in restore and enhance the natural resources in the Gallinas Creek watershedthe Gallinas Creek watershed
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Gallinas Watershed CouncilGallinas Watershed CouncilOur Watershed Vision: Our Watershed Vision:
Restoration/Enhancement from open Restoration/Enhancement from open space headwaters to the bayspace headwaters to the bay
A watershed-aware community supported A watershed-aware community supported by local schools and homeownersby local schools and homeowners
A A creek-focusedcreek-focused greenbelt park along greenbelt park along Freitas Parkway - Freitas Parkway - “Ditch the Ditch” “Ditch the Ditch”
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ProblemsProblems
• No In-Stream Habitat
• No Riparian Habitat
• Excess Freshwater Discharges
• Poor Water Quality
• Excessive Algal Growth
• Trash
• Creek & Community Disconnected
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Discovered Illegal Creekside Discovered Illegal Creekside DumpDump
North Fork Gallinas Creek
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Dumpsite Cleared!Dumpsite Cleared!
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Benefits of an Enhanced Gallinas Creek
• Creek focused corridors that connect the community with Gallinas Creek and the surrounding town areas
• Maintain and enhance economic vitality
• Infrastructure planning will improve our opportunities to seek funding
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What is GWC Doing?What is GWC Doing?• Biannual Trash pick up days• Meetings with San Rafael City Manager and DPW• Advocating for Las Gallinas Watershed Program• Neighborhood Watershed Awareness
Informational meetings• Educational booths at community events
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Current Road and Ditch Arrangement
•Concrete channel in median of road
•No floodplain area, small pocket parks
•Sidewalks next to road
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Possible Road and Channel Arrangement
•Channel on one side of road and widens downstream
•Floodplain and park created within existing right of way
•New foot and bike pathway next to channel where space is sufficient
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Marin Watershed Programwww.marinwatersheds.org
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Why A Watershed Approach?
• Why now? We have momentum and support from our partners and the County.
• The issues identified by the community aren’t going away; this program allows us to be ready when the economy recovers and new funding programs come on line.
• Supports and guides protection and enhancement of significant natural resources
• Leverages funding to attract State and Federal sources
• Sea Level Rise adaptive management strategies would be transferable to other San Rafael shoreline areas
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What are the goals of the watershed program?
• Flood Protection• Reduce on-going maintenance costs and
impacts• Responsive to sea level rise • Supports multiple benefit projects i.e flood
protection and water quality improvements• Incorporates ecological benefits• Meets multiple partner agency objectives • Attractive to funders
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Policy Advisory Committee: •BOS FC District Rep•City Council Reps•Flood Zone Advisory Board Reps•Water and Sanitary Board Reps
Technical Working Group:•Municipal Directors •Local, State & Federal Agency Reps •Watershed Groups •Homeowner’s Association Reps
Operations and Finance Committee: •City Managers & County DPW Director
Coun
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Sta
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Pro
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Board of SupervisorsFlood Control and Water Conservation District
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Tools for Watershed Planning
Computerized models to evaluate flood flows & sediment transportComputerized models to evaluate flood flows & sediment transport
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Mapping creeks, wetlands, and flood protection facilitiesCoyote Creek watershed-Tamalpais Valley
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• Dredging slide
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Development and Water Quality Impacts
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Managing Stormwater as a ResourceManaging Stormwater as a Resource
• Stay disconnectedStay disconnected• Use permeable Use permeable
pavementspavements• Limit paved surfacesLimit paved surfaces• Detain and retain runoff Detain and retain runoff
throughout the sitethroughout the site• Use drainage as a Use drainage as a
design elementdesign element
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Slow It, Spread It, Sink It
• Site design mimics natural drainage
• Disperse runoff to landscape or use permeable surfaces
• To learn more go to http://www.sscrcd.org/rainwater
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Wolf Creek RestorationGrass Valley, CA
•Restoration and trail development
•Recreation, economic and community building potential
First Step: Master Plan
Guides: Creek restorationTrail linkagesCreek access points
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Santa Rosa Creek: Prince Memorial Greenway
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Prince Memorial GreenwayPrince Memorial Greenway, Santa Rosa, CA
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What is the status of a Gallinas/Miller Watershed Program?
County of Marin, Flood Zone 6, CSA 6 and the Las Gallinas Sanitary District have committed to implement the watershed approach
Meetings ongoing with City of San Rafael and Flood Zone 7 Advisory Board
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Proposed budget for Gallinas/Miller Creek Watershed Program
Expenditures CostHydrology and Hydraulics Model $270,000Geomorphic/Sediment Study $70,000Staffing $52,500Total $392,500
RevenueCounty of Marin $80,000City of San Rafael (proposed) $80,000Flood Zone 6 $12,500Flood Zone 7 (proposed) $80,000CSA 6 $60,000Las Gallinas Sanitary District $80,000Total $392,500
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Protecting Watersheds: Protecting Watersheds: What You Can Do EverydayWhat You Can Do Everyday
Simple Ways to Protect Your WatershedSimple Ways to Protect Your Watershed• Don’t Dump or LitterDon’t Dump or Litter• Water and Landscape WiselyWater and Landscape Wisely• Control the FlowControl the Flow• Pick up After RoverPick up After Rover• Fix that LeakFix that Leak• Participate in a CleanupParticipate in a Cleanup• Break up cement; create areas for water to soak Break up cement; create areas for water to soak
into the groundinto the ground• Join Gallinas Watershed CouncilJoin Gallinas Watershed Council
and help us restore the creek!and help us restore the creek!
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www.marinwatersheds.org
www.gallinaswatershed.org