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California Coastal Analysis and Mapping Project (CCAMP)

Region IX is initiating flood studies/mapping projects in coastal areas as a result of Congressional appropriations for Flood Hazard Mapping under Risk MAP . These efforts will address gaps in required engineering and mapping for high flood risk areas impacted by coastal flooding.  Cumulatively, these flood studies/mapping projects are being referred to as the California Coastal Analysis and Mapping Project (CCAMP).

To learn more about the Open Pacific Coast Study, click here or click the right side of the CCAMP logo.

To learn more about the San Francisco Bay Area Coastal Study, click here or click the left side of the CCAMP logo.

To learn more about FEMA coastal mapping projects in other Regions, access links to technical bulletins, coastal modeling software, and additional resources visit the FEMA coastal page here.

To learn more about mitigating coastal flood risks and achieving resilience, visit the FEMA coastal page here.




  • FEMA increases community access to draft floodplain mapping data

    At the request of several San Francisco Bay Area communities, FEMA is providing access to draft Flood Insurance Rate Maps (FIRM) (a.k.a. work maps) through the FEMA online GeoPlatform. FEMA’s GeoPlatform is an ArcGIS online mapping application that makes it easy to share data seamlessly across the internet.  After the Flood Risk Review meeting, the draft floodplain maps are uploaded to the GeoPlatform where communities can continue to access the draft work map data, and use it as “best available information” until the Preliminary Flood Insurance Rate Maps are officially released.

  • Coastal Storm History in San Diego County

    The 20th century  legacy of severe Pacific winter storms that caused coastal damages throughout the century, including beach/bluff erosion, seawall damages, and flooding from wave overtopping have been  well-documented in reports of the National Research Council (1984), Gary Griggs (et al. 2005), and others.  This coastal storm history is too often forgotten when facing new threats. When that history should serve as a stark reminder that extreme coastal flood events are a fact of life along the southern California coast.  This article discusses storm damages during the 1982-83 and 1997-98 El Niño winters in San Diego County, and provides a reminder of the high damage risk that the oceanfront built environments can expect to experience in any given year.

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    The Open Pacific Coast Study represents the first comprehensive study of flood risk along the California coast since FEMA issued the original Flood Insurance Rate Maps in the 1980s. This coastal analysis and mapping effort benefits from new technologies and data contribut

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