Lake Mathews and Cajalco Creek Dam and Detention Basins Long-term Routine Maintenance Project (Streambed Alteration Agreement No. 1600-2014-0014-R6 [Revision 2]
4 Documents in Project
Summary
SCH Number
1991101048
Lead Agency
Metropolitan Water District of Southern California
Document Title
Lake Mathews and Cajalco Creek Dam and Detention Basins Long-term Routine Maintenance Project (Streambed Alteration Agreement No. 1600-2014-0014-R6 [Revision 2]
Document Type
NOD - Notice of Determination
Received
Posted
11/1/2021
Document Description
The California Department of Fish and Wildlife (CDFW) has executed a major amendment to Streambed Alteration Agreement number 1600-2014-0014-R6 [Revision 2], pursuant to section 1602 of the Fish and Game Code to the project Applicant, Metropolitan Water District of Southern California. The Lake Mathews and Cajalco Creek Dam and Detention Basins Long-term Routine Maintenance Project includes the long-term, ongoing routine maintenance of ten (10) existing facilities at Lake Mathews, including: the Cajalco Creek Dam and Detention Basin, Lake Mathews Sediment Basins 1-4, underdrain, North and South spillways, and two weirs (Weirs 1 and 2). The amendment includes a revision of the project description for the maintenance of the Cajalco Creek Dam and Detention Basin (CCDDB). Specifically, the amendment includes the removal of the phasing requirement for routine maintenance of the CCDDB. The original Agreement allows for the annual sediment and vegetation removal of 2.65 acres, this acreage is revised to 7.04 acres (annually). Authorized project impacts of up to 24.84 acres were revised to 21.28 acres of Fish and Game Code section 1600 et seq. resources.
Contact Information
Name
Eric Chan
Agency Name
Fish and Wildlife, Region 6
Contact Types
Responsible Agency
Phone
Location
Counties
Riverside
Regions
Southern California
Other Location Info
Lake Mathews on the north, El Sobrante Road on the
east, Cajalco Road on the south, and La Sierra Avenue on the west
Notice of Determination
Approving Agency
Fish and Wildlife, Region 6
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Riverside
Final Environmental Document Available at
Metropolitan Water District of Southern California
P.O. Box 54153
Los Angeles, CA 0054-0153
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
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(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
Yes
Attachments
Notice of Determination
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