Folsom Dam Raise Project (Geotechnical Investigations)


SCH Number
Public Agency
Central Valley Flood Protection Board
Document Title
Folsom Dam Raise Project (Geotechnical Investigations)
Document Type
NOE - Notice of Exemption
Document Description
USACE & CVFPB propose to conduct exploratory borings and geotechnical tests to evaluate existing conditions & risks for design of the dam raise. Borings would range from 20-130 feet deep. Tests include Becker penetration test, sonic coring, and standard testing. Work will occur late-September through November 2019.

Contact Information

Lori Price
Agency Name
Central Valley Flood Protection Board (CVFPB)
Contact Types
Lead/Public Agency

Agency Name
Central Valley Flood Protection Board (CVFPB)
Contact Types
Project Applicant


Other Location Info
Approximately 35 sites in the vicinity of the Folsom Dam right-wing and left-wing dams near Folsom Lake.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15306 Information Collection
Reasons for Exemption
The project consists of geotechnical exploration that will not result in a major disturbance to an environmental resource. No woody vegetation would be removed. No in-water work. The project would not impact state or federally listed species. Recreational paths would remain open. Borings will be backfilled upon completion and the sites will be restored to pre-project conditions. No mitigation is required.


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