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Anoka County Multi-Jurisdictional All Hazards Mitigation Plan 103 service injury. Due to the natural environment of the airport property these large-scale fires will occur in the future and the continual development of the properties surrounding this natural environment, results in a higher potential for property loss. The City of Columbus also reports frequent grass fires that occur regularly during non-snow months throughout the City resulting in the loss of property and with the potential loss of life. The likelihood of occurrence is moderate and the impact is moderate. In Linwood Township, grass and peat fires occur occasionally. The most recent major event occurred on October 19, 2000. A major grass fire reached the swamps and lasted for seven days. Four homes were lost, many more homes were damaged, and several outbuildings were lost. One fire truck was lost. Major roads were closed. Many citizens and animals were evacuated. Power outages lasted for several days. Over 57 fire agencies responded over the period of seven days. The likelihood of occurrence is moderate and the impact is moderate. While we have not experienced the massive wildfires of the west, the potential exists, particularly if drought conditions are present. The probability of future wildfire events is moderate, and all areas of Anoka County are at equal risk for wildfires. A detailed list of Wild- land fires is included in Appendix A. 4.3.2 Manmade Hazards In considering manmade hazards, the Anoka County Hazard Mitigation Planning Committee decided to concentrate its analysis and future mitigation efforts on events presently affecting Anoka County, and on those events that would result in major emergencies or disasters, such as hazardous materials incidents and dam failure. Hazards that would result in smaller, isolated events (such as arson or civil unrest) or those that would be difficult to mitigate (such as hostage situation or enemy attack) were not considered for further study under this Plan. Additionally, those hazards that are being addressed through concurrent planning efforts, and those that are the result of other hazards being addressed were not considered for further study under this Plan. It is r ecommended that these manmade hazards become more fully incorporated during future Plan updates and enhancements. 4.3.2.1 Hazardous Materials Incident Hazardous materials (hazmat) incidents are likely to affect many communities. Every city has multiple facilities that produce, store, or use some form of hazardous materials. Every water treatment plant has chlorine on site to rid the water of bacterial contaminants. Almost every county has a farmer's Co-Op, which stores significant quantities of pesticides and fertilizers. Hazardous materials are transported down many roads every day. Propane trucks serve the rural populations, and natural gas, used by both rural and urban citizens, must be treated as a dangerous hazard when a leak occurs. In addition, every home has some hazardous materials present in the form of cleaners, batteries, bleach, paint, and gasoline. Hazardous materials incidents typically take three forms: fixed facility incidents, transportation incidents/pipeline incidents and radiological incidents. It is reasonably possible to identify and prepare for a fixed site incident, as laws require those facilities to notify state and local authorities about what is being used or produced. Transportation and pipeline incidents are much harder to prepare for, as the material involved and the incident location are not known until the accident actually happens.