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5.2.2 Water Quality Impairments Earlier sections of this plan presented the current known and confirmed impairments to waters within the City. The plan also discussed a few of the emerging water quality issues that have the potential to significantly alter the quality and characteristics of water resources. Much like some localized flooding issues that won't be identified until the next big rainfall, new water quality issues may not be known for years to come. Researchers throughout the country are identifying new issues on a regular basis and regulators and policy makers are developing requirements and guidance to manage these new pollutants. The City's plan is to focus resources on the pollutants that they can best address, such as total suspended solids and total phosphorus and at the same time recognize that new issues may arise that requires adjustment to the current approach. 5.2.3 Operation and Maintenance With more than 140 public storm water treatment systems (ponds, infiltration basins, etc.), more than 120 miles of storm pipe and an extensive road system on which to complete street sweeping and deicing, the overall stormwater system operation and maintenance needs of the City is significant. In fact, the resources needed to maintain the system will likely grow due to more treatment devices being installed each year and the need to conduct maintenance on those that have been in service for 20 years or more. One of the most challenging ongoing maintenance needs will be the pond cleanout work that relates to requirements of the NPDES MS4 Permit Program. The MPCA recently published Managing Stormwater Sediment Best Management Practice Guidance for Municipalities (June 2012) and describes when the dredged sediment can be used as unregulated clean fill and when it is considered regulated solid waste. The cost difference can be significant depending on the levels of contaminants of concern found in tested sediment samples. 5.2.4 Education and Outreach Managing storm water is no longer just the responsibility of the City. A coordinated approach with residents, local interest groups, developers, City and watershed staff, and elected officials is needed in order to achieve local water quality improvements and meet the goals of this plan. The City is required to complete public education efforts as part of its NPDES MS4 Permit Program. The City has also conducted and supported a number of educational programs such as rain water garden workshops that help residents contribute to community efforts. These efforts will continue to be critical towards improving management of grass clippings, fertilizers, chemicals and yard waste. The efforts will help to reduce the chances of a residential backyard grading project that might change the flow of storm water, and they will help inform the public of fish consumption advisories on area lakes and invasive species issues. 6.0 Implementation Program and Funding The Implementation Program intended to provide guidance in carrying out the Plan goals and objectives. The Implementation Program and funding section summarizes capital improvement projects, studies and ongoing maintenance, inspection, monitoring and other management activities. This Plan is intended to serve the City for at least the next ten years and many of the program activities will continue at least out to the year 2030. Except for the activities that are taken from the City NPDES S WPPP, the Implementation Program is not a hard and fast commitment to complete each and every activity in the time frame suggested. Rather, it is a suggested course of action that will help to accomplish the major goal of this plan. Comprehensive Surface Water Management Plan ROSEV120222 City of Roseville Page 29