07/25/2001 Env Bd Packet - Laserfiche WebLink

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wetlands in proper manner. Wetlands can serve essentially as tertiary treatment to storm water runof, provided the nutrient and sediment load of the runoff water receives. adequate pretreatment in order to preserve a wetland's natural functions and values. In some cases this may mean only removing fine sands, in other cases it may mean the removing 95 percent of the sediment load of the runoff Subpart 1. - The Use of "Wet Ponds" in Meeting the Retention Requirement The treatment of storm water runoff from projects reviewed in accordance with any one of the following will meet the intent of the 'water retention" requirement Projects approved by a watershed management organization in the seven- county metropolitan area that certifies that the development conforms with - its watershed management plan (Plan) adopted in conformance with - Section 103B.231, provided the Plan specifies pond design standards for, managing both water quality and quantity, b. Projects approved by a local governmental unit (LGU) in the seven- county metropolitan area that certifies that the development conforms with its local water plan adopted in conformance with Section 103B.235, provided the local wateunanagement plan specifies pond design standards for - managing both water Quality and quantity. — c. Projects approved by a local governmental unit outside the seven - county metropolitan area that certifies the development conforms with the county comprehensive local water management plan (Plan), approved and adopted in conformance with Section 103B.325, provided the BWSR's approval of said Plan included certification that the Plan is compliant with Section 103B.3365, Projects approved by a local governmental unit within the seven county metropolitan area that has adopted and is enforcing_ local controls relating to storm water design and erosion control consistent with (at a minimmn) Parts 8.1 to 8.16 of the Metropolitan Council's model ordinance developed as a component of the Counal's Interim Strategy to Reduce Nonpoint Source Pollution to All Metropolitan Water Bodies (See Attachment B of these Guidelines). e. Projects authorized by a permit from the Minnesota Pollution Control Agency, or certified by a local governmental unit to be compliant with local controls adopted to carry out a program delegated to the local unit of government by the MPCA. 8/25/93 Version 5