Sediment Removal at Existing Pump Stations

2 Documents in Project


SCH Number
Public Agency
California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)
Document Title
Sediment Removal at Existing Pump Stations
Document Type
NOE - Notice of Exemption
Document Description
The Project would remove sediment build up near two (2) Twin Oaks Irrigation Company’s irrigation pumps that sit along the San Joaquin River (SJR). Project activities include sediment removal approximately 50-feet radius directly around the North Pump Station, 375-linear feet along the north Site backwater channel and approximately 50-feet directly around the South Pump Station. The Project also includes the addition of approximately 100 square yards of riprap at the westside of the north pump backchannel and the planting of 0.02 acre of native willow cuttings adjacent to the rip-rap area along the sandbar. The Central Valley Regional Water Quality Control is issued a 401 Water Quality Certification for the Project.

Contact Information

Shawn Agarwal
Agency Name
Central Valley Regional Water Quality Control Board
Job Title
environmental scientist
Contact Types
Lead/Public Agency

Mark Child
Agency Name
Twin Oaks Irrigation Company
Job Title
Contact Types
Project Applicant / Parties Undertaking Project


Other Location Info
North Pump Site : Latitude: 37.45911° and Longitude: -121.04298°, South Pump Site: Latitude: 37.449° and Longitude: -121.03628°

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, 15301 and Class 4, 15304
Reasons for Exemption
Class 1, 15301 - The Project consists of sediment removal maintenance of existing pump facilities that sit along the San Joaquin River. There will be no expansion of its existing use. Class 4, 15304 - The Project involves minor alterations to land and water but does not include removal of healthy, mature or scenic trees.
County Clerk


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