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Suisun Marsh Program OverviewSuisun Marsh Program Overview
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Prepared for:
State Water Resources Control Board
Prepared by
Paul Massera
California Department of Water Resources
March 19, 2008
Prepared for:
State Water Resources Control Board
Prepared by
Paul Massera
California Department of Water Resources
March 19, 2008
Recieved March 19, 2008
Suisun Marsh Program OverviewSuisun Marsh Program Overview
LocationLocation
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Project AreaProject Area
� 52,000 acres of seasonal non-tidal (managed) wetlands
� 6,300 acres of tidal wetlands
� 27,700 acres upland grassland
� 30,000 acres bays and sloughs
� 52,000 acres of seasonal non-tidal (managed) wetlands
� 6,300 acres of tidal wetlands
� 27,700 acres upland grassland
� 30,000 acres bays and sloughs
Suisun Marsh Program OverviewSuisun Marsh Program Overview
FacilitiesFacilities
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Salinity Control GatesSalinity Control Gates
Suisun Marsh Program OverviewSuisun Marsh Program Overview
SMSCG Operation Frequency Versus OutflowSMSCG Operation Frequency Versus Outflow
Num
ber
of
Gate
Opera
tion D
ays
1997
1999
2006
19962007
2008
199820051995
20011989 2004
19922000
2003
19901993
1991
1994
2002
0
20
40
60
80
100
120
0 5000 10000 15000 20000 25000 30000 35000
Average OCT-NOV-DEC Outflow
Drought Years
Salmon Passage Study Years
Post NOAA Fisheries Agreement
Suisun Marsh Program OverviewSuisun Marsh Program Overview
SMSCG Operation Frequency Versus OutflowSMSCG Operation Frequency Versus Outflow
1990
2000
1992
1991 2001
1994
1989
2007
19932002
2005
2003 2004 1999 1996 1997 1998 2006
1995
0
20
40
60
80
100
120
140
160
0 20000 40000 60000 80000 100000 120000 140000
Num
ber
of
Gate
Opera
tion D
ays
Average Jan through May Outflow
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Initial Suisun Marsh Program PurposeInitial Suisun Marsh Program Purpose
� Mitigate salinity impacts from State and Federal Water Projects (due to reduced Delta outflow)
� Mitigate salinity impacts from State and Federal Water Projects (due to reduced Delta outflow)
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Agreements, Obligations and PlanningAgreements, Obligations and Planning
� Suisun Marsh Preservation Agreement (SMPA)
� Regulatory obligations specified in D1641
� Suisun Marsh Plan (SMP)
� Suisun Marsh Preservation Agreement (SMPA)
� Regulatory obligations specified in D1641
� Suisun Marsh Plan (SMP)
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Suisun Marsh Preservation AgreementSuisun Marsh Preservation Agreement
� Control salinity for managed wetlands within the Marsh
� Improve Marsh wildlife habitat
� Recognize that landowners in the Marsh divert water for wildlife habitat management
� Revised SMPA was signed in 2005 � Made channel water salinity requirements consistent with D1641� Landowner water and management activities in-lieu of additional
large scale water management facilities
� Control salinity for managed wetlands within the Marsh
� Improve Marsh wildlife habitat
� Recognize that landowners in the Marsh divert water for wildlife habitat management
� Revised SMPA was signed in 2005 � Made channel water salinity requirements consistent with D1641� Landowner water and management activities in-lieu of additional
large scale water management facilities
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Water Rights Decision 1641Water Rights Decision 1641
� Numerical salinity standards
� Narrative standards� Meeting salinity needs for all beneficial uses in
the Marsh
� Numerical salinity standards
� Narrative standards� Meeting salinity needs for all beneficial uses in
the Marsh
Suisun Marsh Program OverviewSuisun Marsh Program Overview
� Preserve and enhance managed seasonal wetlands
� Implement a comprehensive levee protection/improvement program
� Protect Delta water quality
� Restore habitat for tidal marsh-dependent sensitive species
� Maintain consistency with the CALFED Bay-Delta Program's strategic goals and objectives.
� Preserve and enhance managed seasonal wetlands
� Implement a comprehensive levee protection/improvement program
� Protect Delta water quality
� Restore habitat for tidal marsh-dependent sensitive species
� Maintain consistency with the CALFED Bay-Delta Program's strategic goals and objectives.
Suisun Marsh Plan ObjectivesSuisun Marsh Plan Objectives
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Suisun Marsh Plan PEIR/EISSuisun Marsh Plan PEIR/EIS
� Developing potential alternatives (currently)
� Assess environmental benefits, impacts and
other trade-offs of potential alternatives
� Public Draft End of 2008
� Developing potential alternatives (currently)
� Assess environmental benefits, impacts and
other trade-offs of potential alternatives
� Public Draft End of 2008
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Participating AgenciesParticipating Agencies
� U.S. Bureau of Reclamation (USBR)
� U.S. Fish & Wildlife Service (USFWS)
� California Department of Fish and Game (DFG)
� Suisun Resource Conservation District (SRCD)
� California Department of Water Resources (DWR)
� U.S. Army Corps of Engineers (USACE)
� NOAA National Marine Fisheries Service (NOAA Fisheries)
� San Francisco Bay-Delta Science Consortium (Bay-Delta Consortium)
� California Bay-Delta Authority (CBDA)
� CALFED Ecosystem Restoration, Levees, Drinking Water, and Science Programs
� State Water Resources Control Board (SWRCB)
� Bay Conservation and Development Commission (BCDC)
� US Geological Survey (USGS)
� U.S. Bureau of Reclamation (USBR)
� U.S. Fish & Wildlife Service (USFWS)
� California Department of Fish and Game (DFG)
� Suisun Resource Conservation District (SRCD)
� California Department of Water Resources (DWR)
� U.S. Army Corps of Engineers (USACE)
� NOAA National Marine Fisheries Service (NOAA Fisheries)
� San Francisco Bay-Delta Science Consortium (Bay-Delta Consortium)
� California Bay-Delta Authority (CBDA)
� CALFED Ecosystem Restoration, Levees, Drinking Water, and Science Programs
� State Water Resources Control Board (SWRCB)
� Bay Conservation and Development Commission (BCDC)
� US Geological Survey (USGS)
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Recent AchievementsRecent Achievements
� The SMP is a functioning collaborative that balances beneficial uses
� Favorable position for implementing plan while protecting beneficial uses
� Restored 70 acres of tidal marsh in 2007
� Shared knowledge base from extensive data collection, modeling and other studies
� The SMP is a functioning collaborative that balances beneficial uses
� Favorable position for implementing plan while protecting beneficial uses
� Restored 70 acres of tidal marsh in 2007
� Shared knowledge base from extensive data collection, modeling and other studies
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Further OpportunitiesFurther Opportunities
� Potential for other Delta initiatives to leverage
opportunities in the Marsh
� Complete PEIS/EIR by end of 2009
� Expand shared knowledge base by monitoring
recent restoration actions
� SWRCB staff continue to participate in planning
and implementation
� Potential for other Delta initiatives to leverage
opportunities in the Marsh
� Complete PEIS/EIR by end of 2009
� Expand shared knowledge base by monitoring
recent restoration actions
� SWRCB staff continue to participate in planning
and implementation
Suisun Marsh Program OverviewSuisun Marsh Program Overview
Questions?Questions?
Suisun Marsh Program OverviewSuisun Marsh Program Overview
5
7
9
11
13
15
17
19
0 5 10 15 20 25 30 35
SC
mm
ho
s/c
m
Kilometers upstream from A96 (western Suisun Bay)
N
Suisun Marsh
S71
A96
S54
S49
S64
Average salinity gradient one
day before SMSCG operation
Average salinity gradient 10 days
after SMSCG Operation
S49
Beldons
Landing
Salinity transect
depicted in plot
S54
S64
A96
C2
C2SMSCG
0
1000
2000
3000
4000
5000
6000
7000
8000
1993 1994 1999 2000 2002 2003 2005 7-yr
Outflow Index
Before OpAfter Op
S71
SMSCG effect on Montezuma SloughSMSCG effect on Montezuma Slough
Suisun Marsh Program OverviewSuisun Marsh Program Overview
0
5
10
15
20
25
30
0 5 10 15 20 25 30 35
Suisun MarshSuisun MarshSuisun MarshSuisun Marsh
SC
mm
ho
s/c
m
Kilometers upstream from Martinez
N
Suisun Marsh
Average salinity gradient one
10 days after SMSCG operation
Average salinity gradient
1 day before SMSCG Operation
Salinity transect
depicted in plot
SMSCG
Martinez
PortChicago
Collinsville
Antioch
Martinez
Pt Chicago Chipps Is
Collinsville
Antioch
Chipps Is
0
1000
2000
3000
4000
5000
6000
7000
8000
1993 1994 1999 2000 2002 2003 2005 7-yr
Outflow Index
Before OpAfter Op
SMSCG effect on Suisun BaySMSCG effect on Suisun Bay
Shift in “X2”
Shift in “X2”