Agenda - Council - 06/27/1995 - Laserfiche WebLink

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SUMMARY OF DRAINAGE ISSUES JUNE 21 1995 1. ParaBody - Highway #10 Site Large paved area, no provision for conducting drainage off -site. Low paved areas pond during heavy rain events. Water is pumped over the railroad tracks by the property owner. An outlet for drainage will be addressed in the current storm sewer comprehensive plan. 2. Wetland 658 This is the wetland west of Trunk Highway #47 and south of 149th Lane. This wetland has no outlet and the development of Sunny Ponds and Ramsey Meadows has increased the rate of run -off into this wetland. Occasional complaints are received from residents along Trunk Highway #47 about high water in the back yards. Most of these complaints have come during dewatering operations rather than from precipitation events. An outlet for this wetland will be addressed in the current storm sewer comprehensive plan. 3. Wetland 659 This is the wetland east of Trunk Highway #47 which lies along the common border of Amber Ridge, Willow Ridge, and Gorham's Sandy Acres Estates. The recent development of Amber Ridge and Willow Ridge has increased the rate of run -off into this wetland. Previous to the development of Amber Ridge, there was no outlet for this wetland; however, the storm sewer improvements associated with the subdivision included an overflow to the Rum River. The overflow, however, does not provide sufficient flow capacity when the water levels are less than one foot above the designated ordinary high water mark. Complaints have been received by residents in Gorham's Sandy Acres Estates south of 150th Lane relative to the flooding of portions of their back yards. A suitable outlet control structure will be addressed in the current storm water comprehensive plan. 4. Back Yard Flooding at 14600 Waco Street Several back yards on the west side of Waco Street in this location have been subject to occasional flooding subsequent to the development of the Amber Ridge subdivision. Prior to the development of Amber Ridge, an area of 4.8 acres of the Rivers Bend subdivision drained into a depressed area which was filled in conjunction with the Amber Ridge development. The storm sewer improvements which were constructed to address the drainage have not functioned up to expectations and additional modifications are in process with the Amber Ridge developer. 5. Back Yard Flooding at 6384143rd Lane This lot is located at the southeast corner of County Road #57 and 143rd Lane. The back yard is naturally low and drainage from a portion of Hunters Hill is directed into the property. A dry well is in place in the low spot of the yard; however, substantial standing water occurs in the yard after precipitation and snow melt events. A culvert beneath County Road #57 is in place at an elevation lower than the walkout elevation of the residence. Past experience shows that standing water has never reached the culvert or the residence. A storm sewer should be considered to redivert run -off generated from the street away from the property. 6. Back Yard Flooding at 16560 Yttrium Street This lot has a naturally low area which receives drainage the surrounding unplatted subdivision (Menkvelds Unplatted). A dry well has been constructed in the low area. During the last rapid spring melt, the property owner indicated the water had ponded within a short distance of the structure before draining into the dry well. 7. Side Yard Flooding at 17410 Chameleon Street This lot has a naturally low area on the south side of the residence which receives drainage from an area to the north and west. Past flooding has come within several feet of a walkout on the residence. Some of the water could be directed from the ditch along the roadway