11/28/2001 Environmental Board Minutes

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ENVIRONMENTAL BOARD MEETING NOVEMBER 28, 2001 Trehus expressed concern over erosion control and site inspections. Asleson stated that at present, the City had what it needed for enforcement. Powell added that there was nothing in the building permit process. Trehus stated concerns over runoff volumes leaving sites, and the desire to go beyond the Watershed's requirements. Powell answered that at the present time the City did exceed the Watershed's requirements, because the Watershed gives credits to developers for their efforts, while the City does not, but required compliance in ponding. Trehus indicated that Peggy Sand had mentioned that runoff nAtA Comprehensive Plan should take into consideration the tolerance of an area as afactor. Powell stated that upstream runoff volumes might not matter to the Rice Cr, Watershed, but downstream volumes could cause standing watc whicli would a!! create more wear and tear on culverts and ditches, possibly`e need to replace culverts to control the volume rate. Trehus pointed out that the City should go beyond for the sake of the overall health of surface water and groundwft Pe11 responded that it may be a matter of trading volume for quality. 411 - Trehus submitted that the City should "Ian development away from areas that are W,6 sensitive. Asleson concurred indicating at residents lose if the ecological system rx.v is disturbed. 71' A. Clearwater Creek Third Additi -sleson indicated that the Clearwater Creek development was the &stabil 'tpatitSbevelopment for the City. Staff reviewed past correspondence w AolhangEnvironmental Services Company and North American Prairies, in ad ,43494016.I.S. map showing the prairie restoration on the site. The overflow IP V.7as implemented on site. ky.4 Donlin stated that vuch of t1c greenways were wetlands and noted that the park was not,Ajptural ii4;:rAgleson responded that the residents were excited about it. Donlin inc1iatcda ere ere too many visual barriers. Kukonen stated that the density rilte ..to be adjusted when the Subdivision Ordinance was established. Asleson not at the ditch was raised per the request of the Environmental Board and the Watershed District, and the natural area was coming back. The oak woodland was surviving well. The area on the map E1 -E5 had been sprayed, burned, sprayed again, seeded and will probably be burned again in the spring due to reed canary grass. Area A4 needed to be taken care of and in areas A -B, Buckthorn had been eradicated. Nothing had been done in greenways B or C, and they had been notified that the City needs to be informed on what had been done and when.