La Conchita Landslide -Ventura County,CA Photo Courtesy of USGS Broad Beach Sea Level Rise - Los Angeles County, CA Oakhurst Landslide Repair- Contra Costa County, CA Eden Canyon Road Landslide - Alameda County,CA Blackhawk Landslide Repair - Contra Costa County, CA Oakhurst Landslide Repair - Contra Costa County, CA Sequoia Conifer Terrace Landslide Repair - Contra Costa County, CA What are GHADs? The 1979 Beverly Act provided for the establishment of Geologic Hazard and Abatement Districts (GHADs) as independent public agencies to oversee geologic hazards in defined geographic areas. more » There are over 35 GHADs in California working to prevent, mitigate and abate geologic hazards. The California Association of GHADs founding Board of Directors. Why Join? Check out the member benefits and become a member today!