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REQUEST FOR COUNCIL ACTION DATE: 8I15/05 ITEM NO: 7. Department Approval: Manager Reviewed: Agenda Section: Lonnie Brokke -�� : . ,� r�� Item Description: Review of Diseased and Hazardous Tree Removal Program BACKGROUND The Roseville Parks and Recreation Department maintains a diseased and hazardous tree removal program. The major emphasis of the program is to manage disease, dying and hazardous trees in the entire city as well as provide advice to our citizens. This includes surveying the city on all public and private property as required by city ordinance and state statute. Early identification and prompt attention is critical in controlling disease and reducing riskll�azards. The immediate concern that the City of Roseville is currently facing is Dutch Elm Disease (DED). However other diseases such as Oak Wilt and the possibility of storm damage still exists. Brief Hisiory of Dutch Elm Disease (DED) In the 1970's DED had a significant impact on the Minnesota landscape. Thousands and thousands of trees were lost in this initial infestation but the diseased tapered off and faded away for many years, until reoccurring unexpectedly in 2004. Although the disease was never eradicated, the disease stabilized and the losses were minimal over the years until 2004. DED has again infected the entire Twin Cities area and the witnessed losses in this current infestation were unanticipated throughout the industry. The disease has been highly publicized and communities and private residents are facing the high cost of removal. It is expected that in larger communities the disease will peak in two to three years and then taper off. In Roseville we may be closer to the peak with losses anticipated to taper off in one or two years. It is very difficult to be certain and the weather conditions do play a large role in the outcome.