How healthy is your watershed? Indicators and Performance Measures for the North Bay

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How healthy is your watershed?Indicators and
Performance Measures for the North Bay

• Kat Ridolfi
• San Francisco Estuary Institute
• NBWA Board Meeting
• April 3, 2009

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Outline

• Background
• Purpose
• Previous indicators work
• Scope of NBWA Indicators project
• Indicator/performance measure selection and
  organization
• Draft indices
• Expected applications
• Next Steps

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Background
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Indicators v. Performance Measures
Projects Implemented
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100
80
60
Watershed health ( of target)
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Time
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Resource Mgt. Objectives Assessment Questions Data Requirements Current Data Collection Activities Recommended Indicators
Protect receiving waters from pollution to comply with current and future water quality regulations and maintain healthy aquatic systems What areas are at greatest risk? Land use/cover, Hydrology Historic land use practices Waste discharge locations Soil erodibility IBI Toxicity tests Basic water quality parameters Septic tank locations Benthic macroinvertebrate sampling Basic water quality parameter sampling Sediment loading analysis Benthic community abnormalities Sediment source analysis, trends, and transport processes
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The Bay Institutes Scorecard
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Watershed Assessment Framework (WAF)
Biotic
Ecological Processes
Hydrology Geomorphology
Landscape
Socio- Economic
Natural Disturbance Regimens
Chemical Physical
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Napa/Sonoma Scorecard
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Project Partners

• San Francisco Estuary Institute
• The Bay Institute
• Sonoma Ecology Center
• Marin County Public Works
• Napa County Planning

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Project Schedule
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Framework

• NBWA Categories
• Water Supply
• Water Quality
• Habitat Enhancement
• Recreation and Public Education
• Flood Protection

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Goals and Objectives What do you strive for in
the system?
Identify potential indicators
Previous Work
Choose indicators
Indicator Criteria
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Criteria

• Valid?
• Understandable?
• Available ?

Criteria based on EPA handbook on Indicators for
Estuarine Health
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Index
Indicators or Performance Measures
Metrics
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Draft North Bay Indices
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Floodplain Protection Index
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Water Quality Standards Index
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Index
Indicators or Performance Measures
Metrics

• Reference Conditions
• and Scoring
• Identify reference conditions
• (upper lower, intermediate)
• Determine scoring scale

Calculate and Score metrics
Multi-metric Index

• Index
• Aggregation
• Weighting

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Index
Index
Index
Indicators or Performance Measures
Indicators or Performance Measures
Indicators or Performance Measures
Metrics
Metrics
Metrics
SCORECARD
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North Bay Applications

• Watershed Plans
• Stormwater Programs
• Implementation projects in a watershed(e.g. bank
  stabilization, flood control, vegetation)
• Regional planning efforts

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Next Steps
Task Date
Outreach including subcommittee meetings April-early June
North Bay Watershed Council meeting June 25 (tentative)
Draft Report August 2009
Final Report October 2009
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Questions?
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Contact Information

• Kat Ridolfi
• SFEI
• kat_at_sfei.org
• [phone]