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Colorado Landslide Hazard erosion of a dam or spillway, ultimately leading to dam failure. Since Colorado has a large number of Class I (High) and Class II (Moderate) hazard dams (see Dam Safety & Warning Subcommittee), the pos- sibility that landslides can contribute to dam failure is very real. Colorado Landslide Hazard Mitigation Plan The Federal Emergency Management Agency (FEMA) sponsored the development of the Colorado Landslide Mitigation Plan following landslides on the Western Slope during 1984 and 1985. The Miti- gation Plan is designed to take advantage of the op- portunities that exist today in Colorado's natural, cultural and political environment. The plan pro- Bulletin 48 COLORADO LANDSLIDE HAZARD MITIGATION PLAN ___ Candace L Jochim William P. Rog!rs Colorado Division of DisasteI" Emergency Services johnO. Truby Roben L wold, Jr. Univenfty of ColoRado Center f<< Community Dr. I~pl.aent and Dnign Goo<g< W<"" Sally P. Bf'CIWfI (oloradoGeologicalSu~ OepanmentofN....ralResourm 0.-,"""'" ".. Colorado Landslide Hazard Mitigation Plan vides a framework for state and local government ac- tion in landslide mitigation. Purpose of the Plan The purpose of the mitigation plan is to reduce state- wide losses from landslides by: [] identifying local government strategks, plans, and programs that can assist in loss reduction, [] identifying unmet local needs that demand state attention, [] identifying and developing state agency capa. bilitks and initiatives that can deal with un.met local needs, [] developing cost-beneficial state mitigation pro- jects that may reasonably be expected to reduce landslide losses, [] educating state and local officials and emer- gency response personnel on the landslide haz. ard and potential methods for loss reduction, and [] establishing the means to provide a long-term, continuous governmental process to reduce losses {rom natural hazards. Scope of Plan This plan recognizes the importance of taking land- slide hazards into account in community planning and land use management, and provides local authorities with a wide range of possible strategies and regulatory approaches for mitigating landslide problems in their communities. The state mitigation plan provides local governments with both a re- source guide concerning mitigation techniques and a reference document of sources of supplemental assis- tance. Landslide Mitigation Techniques The main goals of landslide hazard mitigation are to preserve lives, property, and revenue and to prevent the disruption of critical services and the economy. These goals are accomplished by reducing the fre- quency of occurrence and the extent and severity of landslides, and by redistributing social and economic 24