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SECTION 4 <br /> <br /> <br /> <br /> <br />Surface Water Management Plan Section 4: Assessment of Issues <br />City of Arden Hills <br />WSB Project No. 3455-200 Page 4 <br />Corrective Action 4.6.A The City will continue to provide educational content and opportunities <br />to residents, businesses, developers, and others. These efforts may include regular notices in the <br />City's monthly newsletter, articles in the local paper, postings on the City website, and flyers in <br />the utility bill. The City may work with Rice Creek Watershed District (RCWD) to improve the <br />efficiency of educational efforts and reduce duplication. Educational topics may include but are <br />not limited to: <br /> <br /> Wetland buffers <br /> Yard/Pet waste management <br /> Illicit discharge to stormwater <br /> Utility Easements <br /> Stormwater Pond Function <br /> Controlling invasive species <br /> Sustainable groundwater and recharge <br /> <br /> <br />4.7. Identification of Potential Problems to Occur in the Next 20 Years <br /> <br />Problem 4.7.A Inspecting and maintaining existing stormwater infrastructure throughout the City. <br /> <br />Corrective Action 4.7.A The City of Arden Hills is responsible for maintenance of its stormwater <br />system in conformance with the MCPA’s MS4 Program. This includes maintenance of pipes, <br />constructed ponds, lakes, wetlands, ditches, swales, and other drainageways. Proper <br />maintenance will ensure that the stormwater system continues to provide the necessary flood <br />control and water quality treatment. Refer to Appendix J for a copy of the City SWPPP. Other <br />units of government are responsible for maintaining the stormwater systems under their control. <br /> <br />Problem 4.7.B Prioritizing inspection and maintenance of stormwater ponds as well as <br />determining the performance of existing stormwater ponds throughout the City. <br /> <br />Corrective Action 4.7.B The City of Arden Hills will consider establishing a pond program that <br />identifies pond maintenance activities and prioritizes pond inspections. <br /> <br />Problem 4.7.C Increasing prevalence of polycyclic aromatic hydrocarbons (PAHs) in stormwater <br />ponds from runoff of roadways and other surfaces. <br /> <br />Corrective Action 4.7.C Identify stormwater ponds that are contaminated and follow protocol for <br />disposal of dredged material. The City also bans the use of materials for paved surfaces that <br />contain PAHs for future development and redevelopment. <br /> <br /> <br />4.8. Availability and Adequacy of Existing Technical Information to Manage Local Water <br />Resources <br /> <br />Problem 4.8.A Atlas 14 (updated precipitation probability information) was recently released by <br />NOAA (National Oceanic and Atmospheric Administration). <br /> <br />Corrective Action 4.8.A Previously developed areas within the City (designed to meet TP-40 <br />hydrologic demands) will continue to operate under this design criteria. New development, <br />redevelopment, and areas where problems may exist will be evaluated (as needed) by completing a <br />risk assessment using Atlas 14. The City will update its policies, codes, ordinances, and other <br />appropriate documents accordingly. <br /> <br />Dr <br />a <br />f <br />t <br /> <br />11 <br />/ <br />2 <br />0 <br />/ <br />2 <br />0 <br />1 <br />7