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South Central San Francisco Bay Dredge Restrictions

Consultation and Permit Requirements

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.

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 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.

AND

Coastal waters and sloughs within 1 mile of the coastline from Berkeley Marina through San Lorenzo Creek

• PERIOD OF RESTRICTION: March 15 - July 31
• POTENTIAL IMPACT: Turbidity effects on foraging success.
• DREDGE RESTRICTION: Restrict dredging within 3 miles of active nesting areas during Tern foraging period, and when prey species are at critical life stages (see Consultation and Permit Reqirement G).

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.

Western Snowy Plover:

• PERIOD OF RESTRICTION: January 1 - December 31
• POTENTIAL IMPACT: Loss of mudflat foraging habitat (new-work projects).
• DREDGE RESTRICTION: Consultation is REQUIRED with FWS and CDFG for any new-work projects that will cause a direct loss of mudflat habitat in these areas.