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Dredging Overview | Long Term Management Strategy (LTMS) | Cooperative
Agencies | Permit
Process
Dredging Work Windows | Disposal Work
Windows | Essential
Fish Habitat Information | Species List &
Life Histories
Suisun Bay and
Carquinez Strait Dredge Restrictions
Consultation
and Permit Requirements
Chinook Salmon (Juveniles):
- PERIOD OF RESTRICTION: December 1 - May 31
- POTENTIAL IMPACT: Direct habitat loss or degradation; water quality degradation;
interference with foraging or food resources; entrainment by dredge
- DREDGE RESTRICTION: Restrict dredging in area when species is present. Otherwise, see
Consultation and Permit requirements: A, B (re: entrainment); C, D (re: habitat loss); and
E (re: habitat/water quality degradation)
Chinook Salmon (Adults):
- PERIOD OF RESTRICTION: December 1 - May 31
- POTENTIAL IMPACT: Interference with migration; degradation of water quality
- DREDGE RESTRICTION: Restrict dredging in area during "period of restriction".
Otherwise, individual Consultation with NMFS is REQUIRED.
Steelhead Trout:
- PERIOD OF RESTRICTION: December 1 - May 31
- POTENTIAL IMPACT: Interference with migration; degradation of water quality; direct
habitat loss or degradation; interference with foraging or food resources
- DREDGE RESTRICTION: Restrict dredging in area during "period of restriction".
Otherwise, individual Consultation with NMFS is REQUIRED.
Sacramento Splittail
(Juveniles):
- PERIOD OF RESTRICTION: January 1 - December 31
- POTENTIAL IMPACT: Direct entrainment by dredge
- DREDGE RESTRICTION: ESA conferencing (Consultation if species is listed as endangered)
is REQUIRED for any dredging project in this area, at any time.
Delta Smelt:
- PERIOD OF RESTRICTION: January 1 - December 31
- POTENTIAL IMPACT: Direct entrainment by dredge; spawning ground habitat degradation
- DREDGE RESTRICTION: ESA Consultation is REQUIRED for any dredging project in this area,
at any time.
Longfin Smelt:
- PERIOD OF RESTRICTION: December 1 - August 31
- POTENTIAL IMPACT: Direct entrainment by dredge; Spawning ground habitat degradation.
- DREDGE RESTRICTION: Restrict dredging in these areas as much as possible during
"period of restriction".
Salt Marsh Harvest Mouse:
- PERIOD OF RESTRICTION: January 1 - December 31
- POTENTIAL IMPACT: Loss of salt marsh habitat and adjacent upland refugial cover.
- DREDGE RESTRICTION: Consultation is REQUIRED with FWS and CDFG for any project that will
cause a direct loss of salt marsh habitat in these areas.
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