2019 Coastal Outage


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
2019 Coastal Outage
Document Type
NOE - Notice of Exemption
Document Description
The Department of Water Resources (DWR) San Joaquin Field Division (SJFD) performs yearly maintenance to the State Water Project (SWP). This requires that specific portions of the California Aqueduct (CAAQ) coastal branch be shut down and emptied of all water, so that SJFD personnel can safely perform the various maintenance activities (electrical, mechanical, corrosion protection, inspection). This work, known as the 2019 Coastal Outage, will require the dewatering of the Devil's Den Pumping Plant Forebay(DEPP), the Bluestone Pumping Plant Forebay(BLPP), and Vault 19.41. Water from BLPP and Vault 19.41 will be discharged into an adjacent natural drainage. Water from DEPP will be discharged into a nearby sediment basin. The 2019 Coastal Outage will begin on October 28, 2019 and end November 27, 2019. Dewatering activities will take approximately 10-14 days to complete. The project benefits public and private lands that depend on the California Aqueduct water delivery.

Contact Information

Juan Arellano
Agency Name
Department of Water Resources, San Joaquin Field Division
Contact Types
Lead/Public Agency

Agency Name
Department of Water Resources, San Joaquin Field Division
Contact Types
Project Applicant


Lost Hills
Other Location Info
Coatasl Branch: Devils Den Pumping Plant(MP14.86), Bluestone Pumping Plant(MP19.05), and Vault 19.41.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
This project consists of maintenance activities that support the function of the California Aqueduct and water delivery within the State Water Project.


Notice of Exemption

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