13.02 - Marshall Street Drainage Study

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I i SUMMARY AND RECOMMENDATIONS As a result of this study,we have determined that: + The natural low spot located north of Marshall Street and east of Pequot Boulevard is capable of holding the stormwater runoff that presently flows to it. Should this area become fully developed, this natural low spot will have capacity in excess of the increased flow, and could probably hold additional runoff from drainage areas to the north and south. + To divert/direct stormwater runoff to this natural low spot from any one of these three drainage areas will involve some combination of storm sewer piping, curb and gutter,and probably street improvements. +fi + There are two property owners and a portion of unimproved Right-of-Way that would be impacted by such a proposed infiltration basin. There are wetland regulations to be considered prior to diverting additional stormwater runoff to this basin. As a result of these findings, we recommend that the City of Pequot Lakes: + Review this report, all the possible issues involved, and all the comments to date and first determine if the City wants to take the step to control stormwater runoff in this area of the City. + If so,initiate discussions with the affected property owners about acquiring fee title or easement to their properties for the proposed infiltration basin. + Document these discussions in case the City eventually needs to pursue` condemnation/eminent domain actions. + Determine if an environmental assessment is needed to review any possible contamination of this natural low area(it has been mentioned in the past by a property owner in the area)before entering into any easement or acquisition agreement. + Address possible wetland impacts with regulatory agencies. + Eventually design storm drainage and street improvements to get runoff to this proposed basin in a controlled manner. Page 8 of 8 130B029