Welcome to SACGISA
Southern Alameda County GIS Authority


City of Fremont   |   Alameda County Water District   |   Union Sanitary District   |   City of Newark

*** IMPORTANT ANNOUNCEMENT for Annual Board Meeting Notice *** Coming Soon... Agenda and Staff Report for May 21, 2025 JPA Board Meeting SOUTHERN ALAMEDA COUNTY GEOGRAPHIC INFORMATION SYSTEM AUTHORITY MEETING AGENDA - Coming Soon and Subject to Change City of Newark 37101 Newark Blvd Newark, CA 94560 Public Participation: Currently, there are no special requirements. This is subject to change based on state/county requirements. Attendees are welcome to wear masks if they want to, but it is not required. If you are an individual with a disability and need a reasonable modification or accommodation pursuant to the Americans with Disabilities Act (“ADA”) or if you do not have access to email or the internet, please contact John Leon, SACGISA Secretary/City of Fremont GIS Manager at JLeon@fremont.gov or (510) 494-4831 at least 48 hours prior to this meeting for assistance.  If you use email to contact us, please type “SACGISA JPA Board Meeting ADA Request” in the subject line to properly identify your ADA request.

*** Past Annual Board Meeting Notices *** Agenda and Staff Report for May 22, 2024 JPA Board Meeting Agenda and Staff Report for May 24, 2023 JPA Board Meeting Agenda and Staff Report for May 18, 2022 JPA Board Meeting Agenda and Staff Report for May 19, 2021 JPA Board Meeting Agenda and Staff Report for May 20, 2020 JPA Board Meeting Agenda and Staff Report for May 15, 2019 JPA Board Meeting Agenda and Staff Report for May 16, 2018 JPA Board Meeting

The Southern Alameda County GIS Authority was formed in April, 2001 under a Joint Powers Agreement with the Cities of Fremont, Newark, Alameda County Water District, and Union Sanitary District.  It's mission is to collectively develop, operate, and maintain a GIS system and data for it's member agencies. The Authority’s service area is the Tri-City area, which generally includes the Cities of Fremont, Newark, Union City, and the areas within the boundaries of the Water District and Sanitary District. The population in the Tri-City area is approximately 355,000.  The Tri-City area lies within the foothills and coastal areas of southern Alameda County, encompassing approximately 125 square miles. A four member Board of Directors governs the Authority.  An Operating Committee comprised of staff from each of the member agencies implement the policies approved by the Board of Directors and handle the Authority's operations.

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