07/25/2001 Env Bd Packet - Laserfiche WebLink

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f ATTACHMENT B 121/93 METROPOLITAN COUNCIL Mears Park Centre, 230 East Fifth Street, St. Paul, Minnesota 55101 612 291 -6359 TDD 612 291 -0904 MODEL STORM WATER MANAGEMENT ORDINANCE • The model storm water management ordinance should assist communities in the Twin Cities metropolitan area in implementing the Metropolitan Council's Interim Strategy to Reduce Nonpoint Source Pollution to All Metropolitan Water Bodies. The Council adopted the strategy for the Minnesota River Basin, effective September 30,1992, and for the remainder of the metropolitan area effective January 1, 1993. The strategy includes three essential requirements. These requirements are important components to addressing the water quality problems caused by nonpoint source pollution in the metropolitan area. The first requirement is that local governments throughout the metropolitan area must adopt design standards for new storm water ponds that will reduce the contaminant loadings from surface water runoff. One set of design criteria that is widely accepted is from the National Urban Runoff Program (NURP). The second requirement is that local governments in the metropolitan area must also follow the urban 'best management practices" as outlined in protecting Water Quality in Urban Areas, published by the Minnesota Pollution Control Agency, or an equivalent set of standards. Sections 8.1 through 8.16 of the model ordinance detail suggested design criteria and best management practices. These sections form the heart of the ordinance. The remaining sections of the model ordinance are not as critical. The remaining sections essentially establish a process for the implementation of the design criteria and best management practices. The third requirement is that all local governments in the metropolitan area must adopt the Minnesota Department of Natural Resour .choreland regulations. These regulations are found in Statewide Standards For Management of Shorelaand Areas published by the Minnesota Department of Natural Resources. The Minnesota Department of Natural Resources has established a timeline and format for the adoption of the shoreland regulations. The model ordinance does not address the shoreland regulations. Local governments should work with the Minnesota Department of Natural Resources to determine the most effective way to implement the shoreland regulations. The model ordinance is intended to be a resource for communities to use in adopting official controls which are consistent with design standards for new storm water ponds which will reduce the contaminant loadings from surface water runoff and which are consistent with the "best management practices" for land development with respect to storm water runoff. The ordinance provides a comprehensive approach to addressing the issue of storm water runoff. It is impossible to draft a model ordinance to fit perfectly into all of the innumerable varieties of regulatory programs that exist at the local government level. The ordinance is designed to be adapted to the unique characteristics of each local government organization. The ordinance could be combined with or replace existing ordinances, such as erosion control ordinances, which address issues covered by the model ordinance. It is presumed that some provisions of the ordinance will be modified or possibly even rejected altogether. Other provisions may have to be added. The ordinance can be used as a "checklist" by local governments to analyze the adequacy of existing controls. If a local government determines that a major element, such as inspection and maintenance,