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ARDEN HILLS CITY COUNCIL WORK SESSION—DECEMBER 20, 2010 9 Public Works Director Maurer further stated that Staff had met with Rice Creek Watershed (RCW) to discuss the outflow from Valentine Lake. RCW staff provided information regarding which portions of the outflow are controlled by the DNR and which portions are controlled by the _ Wetland Conservation Act. He added that staff met with Mr. Don Messerly to get an historic perspective on the park flooding. Public Works Director Maurer stated that Staff will be looking for direction from the Council on how to proceed with the programmed 2011 CIP improvements to the park. Councilmember Holmes questioned if the park is considered to be part of the lake. Public Works Director Maurer responded it is not considered part of the lake according to the Rice Creek Watershed District. He added that the neighborhood does not flood the park but the park floods because the lake is too high. - Councilmember Holmes stated that a lot of water does come from the neighborhood. Public Works Director Maurer explained that the water Councilmember Holmes is referring to is a problem due to the grading in the park. Councilmember Grant asked if the culvert has a check valve. Public Works Director Maurer responded that Bolton & Menk has suggested the City place a flap on the lake side of the culvert that allows the park to drain to the lake but won't allow the lake to back up into the park. This is something to consider, but further design review is necessary. He then suggested that the Staff come back with a concept to put all this together. Staff will spend time reviewing this with Roseville regarding engineering capacity, and will recommend hiring someone to go through the public participation process so the neighborhood has input. _ Councilmember Holmes asked if the culvert coming down from the neighborhood is part of the problem as the water flows right into the park at grade level. Public Works Director Maurer responded that he wants to do the minimum amount of work that will make the Rice Creek Watershed District happy and does not want to over-design the drainage. He added that the whole site needs to be properly graded. Councilmember Holmes stated she still believes that the water from the neighborhood needs to be considered. Councilmember Grant explained that the ball fields used to be on the other side of the park but sank down over time. Public Works Director Maurer stated that drainage will have to be accommodated. He added that he is concerned that the park and drainage co-exist and will meet with Michelle to review.