Item 10: Update on the Laguna de Santa Rosa TMDLs · Item 10: Update on the Laguna de Santa Rosa...
Transcript of Item 10: Update on the Laguna de Santa Rosa TMDLs · Item 10: Update on the Laguna de Santa Rosa...
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Item 10: Update on theLaguna de Santa Rosa TMDLs
November 20, 2014David Kuszmar
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Introductions
• Regional Board Staff– David Kuszmar, Project Lead
• Guest Speakers– Brittany Heck, Gold Ridge RCD– Michael Thompson, SCWA– Chuck Striplen, SFEI-ASC
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Presentation Outline
1. Watershed / TMDL Overview
2. Our Unique Approach in the Laguna
3. Areas of Recent Progress
4. Project Schedule
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• Largest tributary of Russian River (254 mi2)
• Metropolitan center of the North Coast Region
• 70 mi2 of “Important Farmland” (per CA Dept. of Conservation)
• Largest freshwater wetlands complex on northern CA coast
• “Wetland of International Importance” (per Ramsar)
Laguna de Santa Rosa Watershed
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Waterbodies:Windsor Creek
Mark West CreekSanta Rosa CreekCopeland CreekLaguna de SR
Municipalities:Windsor
Santa RosaRohnert Park
CotatiSebastopol
Laguna de Santa Rosa Watershed
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Map courtesy of The Bancroft Library, UC Berkeley
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Land Cover Category Wet Year Acreage
Percent of Watershed
Forested Land 84,515 52%
Oak Savanna 24,712 15%
Rangeland 24,290 15%
Seasonal & Perennial Marshes
22,604 14%
Riparian Wetlands 3,881 2%
Open Water 2,785 2%
Pre-European Land Cover
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Photos courtesy of the Sonoma County Water Agency
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CurrentLand Cover
Land Cover Category Wet Year Acreage
Percent of Watershed
Forested Land 48,230 30%
Cropland & Pasture 42,425 26%
Rangeland 21,767 13%
Residential (Sewer) 15,348 9%
Orchards & Vineyards 12,815 8%
Residential (Septic) 9,822 6%
Commercial Areas 8,524 5%
Perennial Marsh 2,238 1%
Other Land Covers 1,438 1%
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Pre-European Settlement
Current Conditions
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Watershed Alterations• Widespread Urban and Agricultural
Development• Increased Channelization & Straightening of
Surface Drainage Features• Loss of Habitat and Function in Wetlands,
Riparian Areas & Open Water Areas• Changes in Sediment Transport Dynamics• Big Increases in Nutrient Loads
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Impairments:Nutrients
Dissolved Oxygen
Sediment
Temperature
Pathogens
Mercury
+ Ludwigia!
Laguna de Santa Rosa Watershed
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What is a Total MaximumDaily Load (TMDL)?
Comprehensive Pollution Control / Restoration Plan for an Impaired Water Body
1. Quantitative Assessment– Water Quality Problems– Contributing Sources– Load Reductions & Allocations
2. Implementation Plan3. Monitoring Plan
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Our Unique Approach in the Laguna de Santa Rosa…
Coordinated Watershed Stewardship• Effective Partnerships• Integrated Technical TMDLs• Support for Innovative (i.e.market-based)
Implementation Options• Emphasis on Early Implementation
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Effective Partnerships
• Municipalities & Permit Holders• Local, State & Federal Agencies• Agricultural Landowners and Resource
Conservation Interests• Environmental and Recreational Interests• Scientists & Technical Experts
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TMDL Development
• Sediment– EPA Contract Support– Refined Sediment Source Analysis– Improved Estimates of Sediment Loading
and Deposition Rates– Updated Sediment Budget
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TMDL Development
• Nutrients– EPA Contract Support– Refined Nutrient Load Estimates– QUAL2K and NNE Modeling– Examination of Surrogate Parameters for
TMDL Implementation
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TMDL Development
• Temperature– Stream Temperature Assessment– Sonoma Veg Map Data– New Tools Development– Temperature Policy Implementation
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Initial Conclusions
+ Exercise!Diet
IncreaseAssimilative Capacity
ReducePollutant Sources +
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Early TMDL Implementation
• Permit & Policy Support• Water Quality Credit Trading Market
Development• Ecosystem Restoration Planning• Data Gathering and Tools Development
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Water Quality Credit Trading in the Laguna de Santa Rosa
Brittany Heck, Gold Ridge RCD A project of Sonoma and Gold Ridge RCDs
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• Dairy Water Quality Improvement Grant
• Water Quality Planning for Equine and other Livestock
• Sediment Reduction
• Riparian Restoration
• Water Quality Credit Trading
The Laguna de Santa RosaRCD Projects
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Water Quality Credit Trading
Point Sources(e.g. wastewater treatment facilities, municipal storm
water systems)
Non-Point Sources /Ecosystem Services
(e.g. roads, ag & rural lands, riparian areas, wetlands)
Payments for NPS pollution reduction /
restoration work
Credits to offset point source discharges
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Project Participants• Sonoma and Gold Ridge RCDs
• City of Santa Rosa
• Technical Consultants– Kieser and Associates– Merritt Smith Consulting– Texas Institute for Applied
Environmental Research– Willamette Partnership
• Agencies– NRCS– Regional Water Quality Control
Board– CA Dept of Conservation
• Local Organizations– UC Cooperative Extension– Russian River Watershed
Protection Committee– Sonoma County Ag Preservation
and Open Space District– Sonoma County Water Agency– Other cities– Laguna Foundation
• Ag Stakeholder Advisory Committee– Vineyards– Dairy Farms– Crop Farms– Turf Farm– Equine Facilities
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• Beneficial– Net water quality benefits,
greater and faster– Voluntary & economical– Flexible, adaptable & scalable
• Accountable– Actual pollutant reductions– Transparent, open &
accessible– Clear and enforceable trading
rules
• Defensible– Science‐based– Equitable/non‐biased
Guiding Principles
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• Currency, Credit Supply & Demand
• Market Structure, Rules, Infrastructure
• Market Participation Eligibility
• Tools for Calculating, Tracking and Accounting for Credits
Developing a Formalized Market
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• Improve habitat, ecosystem function
• Reduce or eliminate otherwise unregulated discharges / nutrient sources
• Actions above and beyond minimum requirements
• Actions ahead of schedule
Net Water Quality Benefits – Greater and FasterExample: Santa Rosa Offset Requirements
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Voluntary & EconomicalExample: Rogue River, OR (Willamette Partnership)
Cooling Towers
Holding Pond30+ miles of restoration
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• Net water quality benefit (2:1 trade ratio)
• Non‐point source projects often have ancillary benefits beyond water quality
• Potential to develop “functional restoration” credits that have impacts beyond water quality
Benefits to the Watershed
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City WWTP
Current Approach
RCDs/Others
ProjectIdentification
Prelim. Credit Quantification
Pre‐proposal to RWQCB
RWQCBPre‐review
RWQCB Interest
Final Credit Quant./Full Proposal to RWQCB
RWQCB Approval
Project Implementation
RCD Verification
RCD Design/ Implementation Contracting
Land Owner
City Contracting
RWCQB Reporting
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City WWTP
CHANGES to Approach
RCDs/Others
ProjectIdentification
Prelim. Credit Quantification
Pre‐proposal to RWQCB
RWQCBPre‐review
RWQCB Interest
Final Credit Quant./Full Proposal to RWQCB
RWQCB Approval
Project Implementation
RCD Verification
RCD Design/ Implementation Contracting
Land Owner
City Contracting
RWCQB Reporting
X
X XXX
No consultants, Pre‐approved project types and calculations, 3rd party verifier, RCD/Aggregator credit supplier/contracting
X
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Buyers
Improved Approach
Project Implementation
Pre‐approved Credit
QuantificationMethods
RWQCBReview/ Approval
Design/ Implementation Contracting
Land Owner
RCD Contracting
3rd Party Verification
Pre‐approved Project Types
RCDs & Others(Brokers)
RWCQB Reporting
CEQA Review
Initial Pub
licInpu
t
PublicInput
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• List of pre‐approved project types and credit calculation methods for select project types
• Protocol for “completeness reviews” of credit proposals for pre‐approved practices
• Recommendation for CEQA coverage of credit projects
• Recommendation re: permit coverage of credit projects
• Framework/process for aggregation
• Process for verification of credits
• Mechanism for public reporting through a credit registry
Deliverables from Project
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Brittany Heck707‐823‐5244
Kara Heckert707‐569‐1448 x 104
www.lagunawaterquality.org
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www.sonomacountywater.org
Stream Maintenance & Ecosystem Restoration in the Laguna
Michael ThompsonAssistant GM
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www.sonomacountywater.org
Thank You
Promoting trust, respect and collaboration in regulator/regulated framework
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Balance Environmental & Public Safety Needs
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Hinebaugh Creek 2004 & 2014
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20+ Miles Per Year
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Labor Intensive
$1,000,000per year shortfall
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Denner Ranch
Lafranchi
Aggio
Property Owner Pleas
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Garbage and Debris
Denner Ranch
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Blockages and Water Quality Issues
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Persistent Flooding
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Invasive Species - Ludwigia
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Ludwigia Ecosystem
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Sand and gravel stream bed,debris blockages from fallen trees,Healthy riparian vegetation,limited ludwigia
Stagnant water, degrading organics matter, abundant ludwigia, very poor water quality
Sand & gravel input
Sand & gravel input
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Challenges
Challenge 1: No governmental entity has responsibility for maintaining the Laguna
Challenge 2: No funding source for restoring or caring for the Laguna
Challenge 3: Daunting permitting obstacles to overcome in performing restoration
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Challenge Solutions
Challenge 1 Solution: Sonoma County Water Agency has the capability and desire to improve watershed conditions.
Challenge 2 Solution : Water Quality Credit Trading Markets could provide funding.
Challenge 3 Solution : Trusting, respectful and collaborative relationship between regulator and restoration implementer.
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Laguna Restoration Team(NCRWCB and SCWA staff)
Goal 1: Achieve measurable and marketable improvements to ecosystem services and ecological functions in the Laguna de Santa Rosa.
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Goal 2: Increase the productive use of agricultural and other lands along the Laguna mainstem.
Laguna Restoration Team
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Laguna Restoration TeamGoal 3: Increase scientific understanding of the Laguna mainstem and create a collaborative model for enhancing habitat and meeting resource management goals.
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Thank You
TrustRespectExpertise Willingness to collaborate
We’re Here To Help
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Helping to create a data rich environment in the Laguna de Santa Rosa (and beyond)
Chuck Striplen, PhDSan Francisco Estuary Institute – Aquatic Science
Center
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Resilient Landscapes
Bay‐Delta RMPs
GIS
EcoAtlasGreen
ChemistryGreen
InfrastructureScenario Planning
Data Management
Clean Water Environmental Informatics
Cultural Landscapes
Historical Ecology
Geomorphology
Landscape Ecology
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Santa Rosa PlainWetland and Stream Condition Survey
Results & Interpretations
Policy Development through Pilots
Tool Development through Pilots
Policy & Tool Alignment
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Depressions
Slopes
Streams
Probabilistic Survey Based on Level 1 Map
(CARI)
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Index Score 45 (75, 50, 25, 31) Index Score 60 (83, 67, 25, 64)
Index Score 65 (80, 58, 50, 72) Index Score 83 (90, 75, 88, 78)
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In general, wetland and stream condition improves with distance downslope across the alluvial fan.
The overall condition of the (remaining) depressions and natural channels of the Laguna are generally fair to good.
Probabilistic Survey Based on CARI
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NaturalUnnatural
Maximum number and levels of functions including riparian wildlife support
Nearly no functions
Almost none of the channel resource has a fully functional riparian zone.
Only about 15% of the resource has a moderately functional zone.
Nearly 85% of the resource including about half the natural channel has only a minimally functional riparian zone.
Relative Abundance of Riparian Widths
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Laguna de Santa Rosa Historical Ecology
Initiative
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Historical ecology
What is historical ecology?• The use of historical data to study past ecosystem characteristics• Not just the “way things were,” but the “way things work” (Safford et al. 2012)
Why is historical ecology useful?• Understand landscape patterns and processes at broad temporal and spatial scales
• Identify locally‐appropriate restoration targets
Historical ecology is not…• About recreating the past• About prescriptive management
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Coyote CreekGuadalupe River
Tijuana River
Santa Clara RiverVentura River
Alameda Creek
Napa River
Sacramento/San Joaquin river delta
Salinas River
Pajaro River
Ballona CreekSan Gabriel River
California systems reconstructed
Uvas CreekLlagas Creek
Mark West Creek
Marsh Creek
Penitencia Creek
South Coast estuaries
SF Baylands,Sac‐SJ Delta
North San Diego lagoons
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Historical alignment of Lower Laguna & Mark West Creek (Laguna Foundation/ SCWA)
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Historical reconnaissance for Middle Reach Russian River (NMFS)
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Historical aerial photomosaic and data collection (SCAPOSD)
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Historical aerial photomosaic available at sonomavegmap.org
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Sonoma County LiDAR (2014) Courtesy of SCAPOSD
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Sonoma County LiDAR (2014) Courtesy of SCAPOSD
ca. 1850-70
1:3,000
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Sonoma County LiDAR (2014) Courtesy of SCAPOSD
ca. 1850-70
1:3,000
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Historical ecology for guiding TMDL implementation (NCRWQCB)
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Molino Rancho 1857. Courtesy of Curtis & Assoc.
Lake Jonive ca. 1910. Courtesy of the Sonoma Co. Library
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• Execute 2014/16 319h HE study to inform TMDL implementation
• Continue inter-agency/org consultation toward full study completion: RB1, SCWA, SCAPOSD, Laguna Foundation, RCDs, NMFS, DFW, others…
• Develop priority project elements with partners
• Continue “concept marketing” with potential funders
• Develop stronger services/ linkages to pollution credit trading programs
Next Steps for Initiative
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Initiative specific goals (i.e.)
• Map historical channels for entire SR Plain• Map historical wetland and terrestrial habitats• Model sediment transport based on historical creek alignments
• Document land use changes• Evaluate potential alternatives for restoration to achieve multiple benefits
• Develop conceptual models of landscape change and desired future conditions
• Utilize new tools (i.e. LiDAR) to improve mapping precision
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Many Thanks to OurGuest Speakers
Brittany HeckGold Ridge Resource Conservation District
Michael ThompsonSonoma County Water Agency
Chuck StriplenSan Francisco Estuary Institute
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What’s Next?• Next Phase of TMDL Development Work• Public Release of Draft Technical Products• Continued Support for WQCT and Related
Initiatives• Continued Coordination and Partnership-
Building
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Schedule for Laguna TMDLsActivity Timeframe
Stakeholder Outreach Ongoing
Technical Analysis Ongoing thru Winter 2016
Draft Ready for Peer Review Spring 2016
Implementation Planning Ongoing thru Spring 2018
Draft Ready for Public Review Summer 2018
Regional Board Consideration Fall 2018
State Board Consideration Winter 2019
EPA Consideration Summer 2019
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Thank You!Questions?