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alternative to individual permits for development within defined areas. These plans allow for trading in infiltration and water quality credits. 5. In the design and construction of all new stormwater conveyance systems and modifications to existing stormwater conveyance systems, pretreatment of stormwater runoff to Nationwide Urban Runoff Program (NURP) must be provided prior to discharge from the site and to the extent required in Section IV.G. for highly and moderately susceptible wetlands. 6. For stormwater discharged to slightly and least susceptible wetlands as outlined in Section IV.G., storm water must be treated to remove 75% of the sediment. 7. The City of Hugo will sweep the streets at least two (2) times annually. Furthermore, future purchases of street sweeping units will give consideration to street sweepers which have the greatest ability to remove nutrients from the streets within the community. 8. The City will encourage homeowners with properties adjacent to water resources to establish a vegetative buffer strip at the shoreline. This strip should consist of legumes or other perennial grasses to limit erosion and nutrient transport across the buffer strip. 9. The City has adopted Washington County Ordinance 128, Chapter 4, "Individual Sewage Treatment System Ordinance." This ordinance is included in Appendix P. This ordinance is in compliance with the MPCA individual wastewater treatment regulations. 10. The City has adopted a stormwater drainage system maintenance plan. This plan has been developed to assure that the retention/treatment basin clean out and maintenance will be addressed to the extent that is feasible and practical. A copy of this maintenance plan will be included in Appendix J. 11. The City will develop and implement a water quality monitoring program capable of establishing that the stormwater treatment basins constructed within the City are not only designed to NURP standards but also meet the anticipated design removal efficiencies based on actual monitoring of the system. This program will be carried out to the extent deemed necessary and reasonable by the Hugo City Council. The City will keep the RCWD informed of all water quality monitoring program updates. 12. For areas within the City that are redeveloping, water quality treatment as outlined in this section, will be required for the entire site if more than 50% of the property is undergoing redevelopment. If less than 50% of the property area is being redeveloped, treatment for only the disturbed portion will be required. 13. Flood fringe encroachment within shoreland areas associated within public waters will only be allowed if it can be demonstrated that no subsequent adverse impacts on natural vegetation, water quality buffers, and wildlife habitat will occur. 14. Any new development or redevelopment shall show sufficient drainage and ponding easements over hydrologic features such as floodplains, storm sewers, ponds, ditches, swales, wetlands, and waterways. 15. All new and redeveloped stormwater management structures and facilities WATER RESOURCE MANAGEMENT PLAN CITY OF HUGO WSB PROJECT NO. 790452 SECTION 5 PAGE 3