California Wetlands Information System

California Statewide Wetlands Inventory Initiative

The California Statewide Wetlands Inventory is a State Wetlands Conservation Policy (1993) initiative. Under this initiative, the wetlands inventory will compile U.S. Fish and Wildlife Service National Wetland Inventory and other available data into a comprehensive statewide wetlands datalayer. This datalayer will serve as a baseline to determine losses and gains (both functional and acreage) to the State's wetlands base. Biennial reporting on the status of the State's wetlands will be conducted. This inventory is not intended for regulatory purposes.

Assembly Bill 2286 (Davis) made into law in 2000 also requires the Resources Agency to update all the state’s existing wetlands inventory resources and prepare a restoration, management, and acquisition study by January 2, 2003. The data collected from the inventory will also be included in the California Legacy Project – a Resources Agency initiative to develop conservation decision-making tools.

Currently, the Resources Agency under the auspices of the California Legacy Project is hosting a series of workshops to bring together local, state, and federal agencies involved in wetlands science, management, and mapping. Workshops will help establish wetland mapping priorities and facilitate data compilation. Any questions regarding the workshops or the inventory should be directed to Chris Potter at (916)653-5656 or by e-mail at

AB 2286

California Legacy Project

Statewide Wetlands Inventory Workshops

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