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The Urban Growth Boundary (UGB) dataset represents the nine cities, urban (incorporated) municipality urban growth boundaries within the County of Sonoma. The UGB is a planning tool used to limit growth around a city and promote efficient provision and expansion of city services outside city limits.
The following are the UGB expiration dates per jurisdiction:
11/02/2030 Cloverdale
11/03/2018 Cotati
12/31/2030 Healdsburg
12/31/2025 Petaluma
06/30/2020 Rohnert Park
12/31/2035 Santa Rosa
12/31/2016 Sebastopol
12/31/2020 Sonoma
12/31/2040 Windsor
As defined by the Sonoma Local Agency Formation Commission (LAFCO; May 2003): An Urban Growth Boundary is a voter-enacted boundary for those City's which reside within the County of Sonoma. The boundary depicts the maximum growth over a specific period of time (typically 20 year time frame) as desired by the voters (residents) within the City's and acts as a control measure by the people.
The jurisdiction of the boundary resides with the City's and thus, any modifications and/or amendments must be voted on by the registered voters within the City limits. Therefore, LAFCO has no jurisdiction as to the establishment of the urban growth boundaries beyond that of the City's Sphere of Influence (a.k.a. SOI). See Data Quality - Attribute Accuracy tab for boundary modification history.
Related Resource:
Sonoma Local Agency Formation Commission(LAFCO)
Map series per jurisdiction -
The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), announces the availability of the Communities Environmental Health Screening Tool: CalEnviroScreen Version 4.0. CalEnviroScreen is a screening methodology that can be used to help identify California communities that are disproportionately burdened by multiple sources of pollution. The 4.0 report and supporting documents are available at: http://oehha.ca.gov/calenviroscreen/report/calenviroscreen-40