Iron Canyon Emergency Protective Measures (Streambed Alteration Agreement No. 1600-2017-0132-R5)
- SCH Number
- Lead Agency
- Fish & Wildlife 5 (San Diego) (California Department of Fish and Wildlife, Region 5)
- Document Title
- Iron Canyon Emergency Protective Measures (Streambed Alteration Agreement No. 1600-2017-0132-R5)
- Document Type
- NOE - Notice of Exemption
- Document Description
- CDFW has executed Lake and Streambed Alteration Agreement No. 1600-2017-0132-R5, pursuant to Section 1602 of the Fish and Game Code to Los Angeles County Flood Control District. Project is limited and involves routine maintenance and repair activities to maintain the post-Sand Fire emergency measures created in the debris basin in Iron Canyon, such as protection of functions and capacities for the unexpected duration of watershed recovery (estimated 5 years). The Project will primarily involve maintenance of debris barriers and removal of deposited debris that results from storm events. The debris deposition produces various loads of force against the barriers, and debris removal will prevent excessive force from building up and exceeding debris barriers design strength. As-needed repairs to the debris structures or repair and/or replacement of damaged/worn structural elements are expected.
- Contact Information
California Department of Fish and Wildlife, Region 5
South Coast Region 3883 Ruffin Road
San Diego, CA 92123
Phone : (805) 640-1165
- Los Angeles
Notice of Exemption
- Exempt Status
- Statutory Exemption
- Type, Section or Code
- S:21080(b)(4), 15269(c)
- Reasons for Exemption
- The proposed project is a continuation of work authorized under previous SAAs 1600-2016-0251-R5, 1600-2017-0256-R5, and 1600-2017-0003-R5). The previous work was notified under an emergency notification pursuant to a recognized public health and safety concern resulting from the Sand Fire (August 2016). Work under previous notifications was conducted but because of the significant area of tributary watershed burned and the intensity of the San Fire significant mudflows are expected to occur in the future over the short term. In order to prevent or mitigate a public health and safety emergency the requested preventative maintenance of temporarily installed protective measures is being authorized by CDFW.
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