Notice of Intent to Adopt an Initial Study - Mitigated Negative Declaration

The Castro Valley Sanitary District (CVSan) is releasing a Draft Initial Study and Mitigated Negative Declaration (IS-MND) for CVSan’s Operations and Engineering Building Project (project) for review and comment to all applicable agencies, organizations, and interested persons (reviewers). Reviewers should focus on the content and accuracy of the Draft IS-MND in discussing potential impacts upon the environment. This Notice of Intent (NOI) to Adopt a Draft IS-MND is in compliance with the California Environmental Quality Act (CEQA). The Draft IS-MND is being circulated for a 30-day review period. The specific posted comment period is from March 11, 2020 to April 10, 2020 at 4:00 p.m.

Project Title:
Castro Valley Sanitary District Operations and Engineering Building

Project Location: The project site is located at 21195 Center Street and 4096 Castro Valley Boulevard in Castro Valley, in unincorporated Alameda County (County), at the northwest corner of Center Street and Castro Valley Boulevard. The project site is located on two assessor’s parcels (APN 84C-650-1-3 and 84C-650-2-4) totaling approximately two acres and is owned and operated by CVSan.
The project site also includes a portion of County-owned land at the corner of Castro Valley Boulevard and Center Street, which accounts for approximately 0.15 acres of the site.

Project Description: The proposed project involves the demolition of existing on-site structures and development of a new operations facility for use by CVSan. The facility would include an approximately 19,795 square-foot, two-story building that would provide office space and other facilities such as equipment storage, conference and board rooms, amenities for employees (i.e., kitchen, break room, shower, and lockers), and a public counter for the CVSan Engineering Department. The project also includes vehicle maintenance facilities, a workshop, and materials storage areas in the same Operations and Engineering building, a separate hazardous material building to house chemical products, paint and emergency fuel, and an associated surface parking lot.

Environmental Impacts: The Draft IS-MND has been prepared for this project pursuant to the provisions of CEQA and demonstrates that the proposed project will not have any significant or unmitigable effects on the environment. As a result of the adoption of this document and the implementation of the proposed mitigation measures, the proposed project will not have any significant or unmitigable effects on the environment.

Public Hearing: A Public Hearing date and time is anticipated to be set for a June Board meeting in CVSan’s Board Room at 21040 Marshall Street, Castro Valley, CA 94546, to obtain public input on the proposed project and the IS-MND.

Public Comment Period: The public review period for this project continues from Wednesday, March 11, 2020 until Friday, April 10, 2020. Public comments on the IS-MND are welcome. If you wish to comment on the IS-MND, please send written comments with your name and/or the name of your agency contact person (if applicable) to the following address or email address:

Evan Choy, Engineering Technician
Castro Valley Sanitary District
21040 Marshall Street
Castro Valley, CA 94546

Document Availability: Copies of this IS-MND are available for public review at the CVSan offices at 21040 Marshall Street in Castro Valley, and at the CVSan website at

If the IS-MND is approved, CVSan will promptly file a Notice of Determination for the project with the Alameda County Clerk’s Office. If you have any questions, please contact (510) 537-0757 or e-mail Evan Choy, Engineering Technician at