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Anoka County2025 Hazard Mitigation Planz.umn.edu/AnokaHMP <br /> <br />CityofColumbiaHeights <br /> <br />All Hazards: Within the city there is a nursing home, two assisted living facilities, and numerous <br />senior living apartment buildings which present challenges for communications and difficulty <br />of resident mobility during an evacuation or emergency. We also need to replace a failing <br />generator at the public safety building to ensure continuity of police, fire, and emergency <br />management EOC operations. Connectivity and communication improvements are needed to <br />alert for preparedness and education of upcoming emergency events and build resiliency. An <br />underground gas pipeline runs along the border of the city. We also have a large non-English <br />speaking immigrant population, which presents barriers to communication. <br /> <br />Severe Winter/Summer Storms (Power Outages): The majority of the electric distribution <br />system is overhead. Wind-thrown trees and ice laden limbs routinely drop lines resulting in <br />power outages. The Minneapolis water treatment campus & 70MGD ultrafiltration plant <br />(ReservoirBlvd) – mission critical pumps and membranes need continuous power. Wind or <br />lightning outages may force Minneapolis to curtail supply to ColumbiaHeights. <br /> <br />Extreme Cold: Shallow water-service lines can be affected. The city tracks and responds to <br />frozen-service calls each winter. Power outages jeopardize apartment complexes and small <br />businesses. <br /> <br />Winter Storms, Blizzards & Ice Accretion: 14% of residents are 65yrs; mobility-limited <br />seniors and renters in older multifamily units face heat-loss and medical isolation during <br />outages. <br /> <br />Flooding: There are low spots on TH65, UniversityAve & 37thAve railroad underpass. Ponding <br />regularly strands vehicles and results in emergency-vehicle delays. The city has an aging <br />storm-sewer network. The built-out watershed leaves little infiltration; surcharging basins back <br />up into basements. <br /> <br />City of Columbus <br />Wildfire: Wildfire hazard is high risk due to low residential density and approximately 80% of <br />Columbus is with vegetative cover that is highly susceptible to wildfires. The City water system <br />only serves 6% of the City and has only limited storage capacity, which would impact water <br />supply for firefighting. <br /> <br />Winter Storms: Much of the city’s municipal electrical service consists of overhead power lines <br />and electrical poles. Those overhead lines and power poles are prone to failure in ice storms <br />and blizzards with heavy snowfall and high winds that may bring down trees and branches. <br /> <br />All Hazards: Access to the business district between Potomac and Pine Street on Lake Drive <br />has no secondary means of access. This could be a bottleneck to emergency service vehicles <br />and restrict ingress and egress for entering and exiting traffic. <br /> <br /> <br />Section 3 23 Hazards <br />32 <br /> <br />