Folsom Dam Raise Project (Geotechnical Investigations)


SCH Number
Lead Agency
Central Valley Flood Protection Board
Document Title
Folsom Dam Raise Project (Geotechnical Investigations)
Document Type
NOE - Notice of Exemption
Project Applicant
Central Valley Flood Protection Board (CVFPB)

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
Central Valley Flood Protection Board (CVFPB)
3310 El Camino Avenue, Suite 170
Sacramento, CA 95821

Phone : (916) 574-2310


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.


Notice of Exemption
2019100623 Folsom Dam wing   PDF 702 K

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