Devil Canyon Second Afterbay Gate Exercise 2021


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
Devil Canyon Second Afterbay Gate Exercise 2021
Document Type
NOE - Notice of Exemption

Document Description
Southern Field Division (SFD) staff will exercise Wasteway slide gates at Devil Canyon Second Afterbay leading to the full dewatering of the afterbay and minor inundation downstream of the Wasteway Energy Dissipator Structure. The downstream channel will be surveyed prior to exercise with SFD staff located at access points to the channel to prevent public from entering channel. After the gate exercise, the Wasteway tunnel will be inspected for joint damage.

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

Phone : (916) 653-2908

Division of Operations and Maintenance
Project Applicant


34°12'6.82"N 117°20'22.8"W
San Bernardino
San Bernardino
Southern California
Cross Streets
Devils Canyon Rd and Memory Ln / Devils Canyon Rd and University Pkwy
Other Information
State Water Project: Devil Canyon Second Afterbay

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 routine maintenance activities. This project will not result in impacts to special status species or habitat. Because this activity can be implemented without any significant environmental impacts, the Categorical Exemption Class 1 will be used for CEQA compliance.


Notice of Exemption
NOE Devil Canyon Second Afterbay Gate Exercise   PDF 419 K

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