Truckee Sanitary District Donner Creek Emergency Repair Project
Summary
SCH Number
2022020012
Public Agency
California Regional Water Quality Control Board, Lahontan South Lake Tahoe Region 6
(RWQCB)
Document Title
Truckee Sanitary District Donner Creek Emergency Repair Project
Document Type
NOE - Notice of Exemption
Received
Posted
2/1/2022
Document Description
Increased flows in Donner Creek due to an October 24, 2021 storm event caused an approximately 8-foot section of buried sanitary sewer to become partially exposed. The Project will utilize a ‘protect-in-place’ practice that will armor the exposed pipeline with an articulating concrete mat installed on gravel bags. Gravel bags will be placed directly adjacent to, and on top, of the exposed sewer pipeline to protect it from direct contact with the concrete mats. Gravel bags will be constructed of photo-resistant materials and will filled with clean gravel. Gravel bags will be installed by hand. A crane will be on-site to hoist and install the articulating concrete mats over the pipeline and gravel bags. Crane staging will occur from a paved location and will not result in any temporary upland impacts. One custom made articulated mat is proposed to be installed over the pipeline and it will not require anchoring. The Project does not propose any excavation or other physical disturbance of Donner Creek
Contact Information
Name
Adam Henriques
Agency Name
Lahontan Water Board
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Notice of Exemption
Exempt Status
Emergency Project
Type, Section or Code
Sec. 21080(b)(4); 15269(b)(c)
Reasons for Exemption
The Water Board has determined that this Project is exempt from the California Environmental Quality Act (CEQA; Public Resources Code sections 21000, et seq.). In accordance with Section 15269, the basis for CEQA exemption is “Emergency Projects”.
Attachments
Notice of Exemption
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