10-10-2022 City Council Packet - Laserfiche WebLink

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surrounding drainage ditches can handle the water drainage and runoff, but with this huge development and the potential rise in the water table, will this continue to be true? • Concerned that their wood foundation home will incur water damage. Has the City of Lino Lakes or Alliant Engineering contacted the Corps of Engineers or the appropriate governing body to determine how the established 100 year floodplain will be impacted by massive water redistribution? Response: • The public drainage system and most of the private drainage system on site will remain the same. The proposed development is required to meet the stormwater runoff quality and quantity requirements of the City of Lino Lakes, Rice Creek Watershed District, and the MPCA National Pollutant Discharge and State Disposal System (NPDES/SDS). Therefore, the stormwater basins on site will be designed to meet these requirements. Additionally, since the site falls within the 100 year floodplain, the development is required to follow the Rice Creek Watershed District floodplain mitigation requirements and implement on -site floodplain mitigation. These requirements will aide in controlling drainage on site to avoid impacts to the surrounding area. • Alliant Engineering has prepared the required floodplain calculations and models for the proposed floodplain mitigation on site per Rice Creek Watershed requirements and submitted this to Rice Creek Watershed District for review and approval. Additionally, Alliant has prepared the required stormwater calculations for the site per Rice Creek Watershed District regulations. This has been sent to Rice Creek Watershed District for review and approval. All stormwater and floodplain calculations and design will be subject to review and approval by the City Engineer, consistent with City requirements, as part of the rezoning and preliminary plat review. 4.2.15 Reilly Anderson — September 15, 2022 Comment. Reilly states that he has concern and is opposed to the proposed development. These concerns include: • The proposed housing development threatens to further fragment the habitats of birds and other wildlife within Anoka County and will add new stressors to the local environment. • As summer weather becomes increasingly extreme and unpredictable, newly constructed impervious surfaces will further stress the local aging drainage systems, threatening the homes and properties of existing area residents with flooding, many of which were built many years ago. • There is concern that the proposed new roads and feeder routes will be ineffective in mitigating the existing traffic issues in the area. The addition of the proposed high density housing will add a critical amount of new motor traffic that will exceed the local infrastructure's ability to provide safe streets. 22