CalOES Seismic Monitoring Station Installations – Check 4 (OM-DFD-2021-008)


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
CalOES Seismic Monitoring Station Installations – Check 4 (OM-DFD-2021-008)
Document Type
NOE - Notice of Exemption
Document Description
DWR will install a new seismic station at the CAAQ Check 4 Control Building. The sensor pad will include a PVC cased boring to be grouted in-place to a depth of 20’. All drill cuttings will be drummed and transported off site for disposal at an approved waste facility. Deliveries and construction debris will be transported by pickups and trailers. Concrete will be mixed onsite using a skid steer. Equipment shall be staged in the immediate work area on existing disturbed area ground and existing roadways. All work will be within DWR right-of-way

Contact Information

Todd Percival
Agency Name
Department of Water Resources
Contact Types
Lead/Public Agency / Parties Undertaking Project


San Joaquin
Northern California
Other Location Info
California Aqueduct Check 4; Mile Marker 23.99

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Existing Facilities, Section No. 15301(b)
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.
County Clerk
San Joaquin


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