Jacob Lane Reach B Potholing Study


SCH Number
Lead Agency
Central Valley Flood Protection Board
Document Title
Jacob Lane Reach B Potholing Study
Document Type
NOE - Notice of Exemption

Document Description
During the levee repair work completed in October 2010, an unrecorded pipe was uncovered pipe was uncovered that runs parallel to the levee on the landside. As a result, potholing is proposed in December 2010, to accurately determine the horizontal and vertical location of the pipe. Once the location of the pipe is determined, it will be removed in the fall of 2011. Two of the potholes will be located upstream of the pipe and two will be located downstream of the pipe. Each pothole will be approximately four feet deep and will be excavated with a vacuum truck. The holes will be backfilled using the extract soil and compacted in lifts. Any excess material will be hauled off site. Disturbed areas will be returned to pre-existing conditions. Water will not be used in the operation. All work will be on the landside of the levee and will not impede bicycle traffic.

Contact Information
Mary Ann Hadden
Central Valley Flood Protection Board
3310 El Camino Avenue, LL-40
Sacramento, CA 95821

(916) 574-0369



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15304, 15306
Reasons for Exemption
The project will have no impact on the environment. Army Corps of Engineers determined that the project will have no effect on the Valley elderberry longhorn beetle or cultural resources.
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