Frenchman Lake Seismic Monitoring Station Installation (OM-OFD-2020-005)


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
Frenchman Lake Seismic Monitoring Station Installation (OM-OFD-2020-005)
Document Type
NOE - Notice of Exemption

Document Description
DWR will install a new seismic station near Frenchman Dam. The station will have a 35 by 10 ft concrete pad with 15 ft tall metal tower with solar and radio telemetry, approx. 20 ft of buried 2-in PVC conduit, and a 4 ft high chain link fence around the perimeter. A 10-inch diameter boring will place the sensor within the footprint of the concrete pad. Transportation will be heavy duty flatbed pickups and trailers. Concrete will be mixed onsite using a skid steer. Equipment will be staged at existing parking lots. All work will be within DWR right-of-way.

Contact Information
Todd Percival
Department of Water Resources
Lead/Public Agency
1416 9th Street
Sacramento, CA 95814

Phone : (916) 653-2908

Division of Operations and Maintenance, DWR
Project Applicant


39°53'40.61"N 120°11'20.9"W
Northern California
Cross Streets
Frenchman Lake Rd and Dixie Valley Rd
Other Information
Left abutment of Frenchman Dam.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Existing Facilities, Section No. 15301(m)
Reasons for Exemption
The State Water Project provides significant and important services to many Californians. This project is exempt because it involves minor work activities to appurtenant structures under the supervision of the Department of Water Resources. This project will not result in impacts to special status species or habitat without any significant environmental impacts.


Notice of Exemption
NOE Seismic Monitoring Station - OFD_Fenchman   PDF 425 K

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