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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
Central San
Francisco Bay
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)
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.
Pacific Herring:
- PERIOD OF RESTRICTION: December 1 - February 28
- POTENTIAL IMPACT: Interference with spawning activity; reduced hatching success and
larval survival.
- DREDGE RESTRICTION: Restrict dredging in this area when species is present; see
Consultation and Permit requirement G.
Dungeness Crab:
- PERIOD OF RESTRICTION: May 1 - June 30
- POTENTIAL IMPACT: Direct entrainment by dredge of early juvenile stages.
- DREDGE RESTRICTION: Consultation and Permit requirments A and B apply when juveniles are
present.
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.
California Clapper Rail:
- PERIOD OF RESTRICTION: January 1 - December 31
- POTENTIAL IMPACT: Destruction of breeding and nesting habitat, and/or loss of upland
refugial cover.
- DREDGE RESTRICTION: Consultation with FWS and CDFG is REQUIRED for projects that will
result in direct habitat loss; see Consultation and Permit requirements D and F.
AND
- PERIOD OF RESTRICTION: February 1 - August 31
- POTENTIAL IMPACT: Disturbance during breeding season (without direct habitat loss).
- DREDGE RESTRICTION: Restrict dredging in these areas when species is present; see
Consultation and Permit requirements D and F.
California Least Tern:
- PERIOD OF RESTRICTION: January 1 - December 31
- POTENTIAL IMPACT: Loss of eelgrass bed foraging habitat.
- DREDGE RESTRICTION: Consultation with FWS and CDFG is REQUIRED for any direct or
indirect impacts to this habitat.
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