Casmalia Wetland Mitigation Group Project

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Casmalia Wetland Mitigation Group Project

• Emily Bosanquet ?Todd Cooper
• Ann Hayden ? Vicky Krikelas ? Michelle Torrent
• Faculty Advisors
• Professor Trish Holden ? Professor Mike McGinnis

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PURPOSE

• ? Present goal and significance
• ? Describe approach
• ? Solicit feedback

Casmalia Wetland Mitigation Project, UCSB
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GOAL

• ? To provide the EPA with preliminary wetland
  mitigation alternatives to compensate for
  wetlands lost during Casmalia site clean up.

Casmalia Wetland Mitigation Project, UCSB
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PROJECT SITE

• ? EPA carrying out long term remediation of site
• ? Wetlands
• consist of 5 ponds
• collect storm water runoff
• support wetland habitat

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SIGNIFICANCE OF PROJECT
CERCLA
CERCLA
Cleanup of toxic wastes
Endangered Species Act Californias Fish and Game
Code
Clean Water Act
Endangered Species Act
Protection of wetlands
Preservation of listed species
Provide Wetland Mitigation Alternatives
RESOLVE CONFLICT ? FACILITATE LONG TERM
REMEDIATION
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OBJECTIVES APPROACH

• Characterize wetlands / Define Regulatory
  Framework
• Review case studies
• Outline potential alternatives
• Use criteria to evaluate alternatives
• Recommend alternative(s)

Casmalia Wetland Mitigation Project, UCSB
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REGULATORY FRAMEWORK
CERCLA Site Cleanup
Casmalia Wetland Mitigation Project, UCSB
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CHARACTERIZE SITE WETLANDS

• ? Delineate extent of wetlands
• ? Describe
• Hydrology
• Geology (soils, topography)
• Biological Resources (vegetation, animals)

Casmalia Wetland Mitigation Project, UCSB
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REVIEW CASE STUDIES

• ? Similar Case Studies including
• - Wetland mitigation
• - CERCLA cleanups
• - Presence of Endangered Species
• ? Vandenberg Air Force Base
• ? Guadalupe Oil Field Restoration
• ? Sweetwater Marsh

Casmalia Wetland Mitigation Project, UCSB
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DEFINE CRITERIA
THRESHOLD
Human Health Environment ARARS
Casmalia Wetland Mitigation Project, UCSB
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DESCRIBE ALTERNATIVES

• ALTERNATIVES
• No Action
• B Drainage North
• B Drainage South
• C Drainage
• Mitigation Bank

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C

D
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B

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N
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B

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S
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Evaluation Matrix
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POSSIBLE RESULTS

• HIGHEST RANKED ALTERNATIVES WILL LIKELY BE

Casmalia Wetland Mitigation Project, UCSB
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UNCERTAINTIES

• ? Exact wetland delineation and size
• ? Boundaries of contaminant plume

Casmalia Wetland Mitigation Project, UCSB
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ACCOMPLISHMENTS

• ? Developed Understanding of Regulatory Framework
• ? Refined Developed Criteria
• ? Identified Comparable Case Studies
• ? Established Required 51 Mitigation Ratio

Casmalia Wetland Mitigation Project, UCSB
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Casmalia Wetland Mitigation Group Project

• E-mail wetlands_at_bren.ucsb.edu
• Website http//www2.bren.ucsb.edu/wetlands