Marsh Creek Fish Ladder
Summary
SCH Number
2006108243
Public Agency
California State Coastal Conservancy
(SCC)
Document Title
Marsh Creek Fish Ladder
Document Type
NOE - Notice of Exemption
Received
Posted
10/23/2006
Document Description
The project involves the construction of a fish ladder over a grade-control drop structure located approximately three miles from the mouth of Marsh Creek, in the City of Brentwood. The fish ladder will enable passage over this existing barrier and will provide access for Chinook salmon to an additional 7.5 miles of Marsh, Sand, and Deer Creeks, tripling the number of accessible stream miles in the watershed. The project will include minor modifications to the existing drop structure including removal and saw-cutting portions of existing concrete and grouted rock riprap, adjusting the existing rock weir to direct low flows, constructing a concrete fish ladder on the existing drop structure that will be approximately 100 feet in length with five interval steps.
Contact Information
Name
Betsy Wilson
Agency Name
California State Coastal Conservancy
Contact Types
Lead/Public Agency
Phone
Location
Cities
Brentwood
Counties
Contra Costa
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Section 15333
Reasons for Exemption
The project consists of small habitat restoration, enhancement, maintenance, and protection for fish, plants, or wildlife and satisfies all of the criteria under Section 15333 as follows: (1) the project does not exceed five acres in size; (2) there will be no significant adverse impact on endangered, rare, or threatened species or their habitat; (3) there are no hazardous materials at or around the project site that may be disturbed or removed; and (4) the project will not result in impacts that are significant when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects.
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