Old Mission Dam Maintenance Dredging Project (Lake or Streambed Alteration Agreement No. EPIMS-SDO- 43976-R5)
6 Documents in Project
Summary
SCH Number
1994041020
Lead Agency
City of San Diego
Document Title
Old Mission Dam Maintenance Dredging Project (Lake or Streambed Alteration Agreement No. EPIMS-SDO- 43976-R5)
Document Type
NOD - Notice of Determination
Received
Posted
3/21/2024
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Lake and Streambed Alteration Agreement (EPIMS-SDO-43976-R5), pursuant to Fish and Game Code section 1602, the project Applicant, City of San Diego.
The Project proposes annual vegetation removal in order to prevent the establishment of vegetation within the maintenance area and dredging on an as needed basis when there is at least 2 feet of sediment accumulation behind the dam. If water is flowing during a maintenance activity, temporary diversion structures will be installed upstream of the work area to divert the flow around the work area. Dredging will occur by staging a backhoe on an unvegetated sand bar to remove accumulated sediments from behind the dam and stockpile them on bare ground outside the river. A skid-steer/bobcat will then be used to move the material from the stockpile to a dump truck. This Project is a continuation of activities previously authorized under Streambed Alteration Agreement 1600-2019-0078-R5, which has expired, and will be conducted within the same 0.53-acre footprint. In that previous Agreement, the impacts were considered permanent in anticipation of periodic disturbance from ongoing maintenance activities and mitigated accordingly.
Contact Information
Name
Andrew Aitken
Agency Name
California Department of Fish and Wildlife, South Coast Region
Job Title
Environmental Scientist
Contact Types
Responsible Agency
Phone
Location
Cities
San Diego
Counties
San Diego
Regions
Southern California
Cross Streets
See below "Other Location Info."
Other Location Info
The project is located within the San Diego River immediately upstream of the Old Mission Dam in the Mission Trails regional Park, in the City of San Diego, County of San Diego, State of California; Latitude 32.8398333, Longitude -117.04304167; U.S. Geological Survey (USGS) map La Mesa quadrangle, Township 15 South, Range 2 West, SBM; Assessor’s Parcel Numbers 383-021-15 and 383-010-04.
Notice of Determination
Approving Agency
CDFW
Approving Agency Role
Responsible Agency
Approved On
County Clerk
San Diego
Final Environmental Document Available at
The Mitigated Negative Declaration prepared for the Project is available to the general public at the office location listed above for the Lead Agency. CDFW’s record of Project approval as a Responsible Agency is available at CDFW’s regional office.
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
No
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
No
Attachments
Notice of Determination
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