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City of Arden Hills – 2040 Comprehensive Plan <br /> <br /> <br />Approved:, 2018 <br />10-7 <br />10.2.2 Rice Creek Watershed District & Water Quality <br />Management <br /> <br />Arden Hills is located entirely within the Rice Creek Watershed District (RCWD). <br />The RCWD requires permits for land development, site grading, wetland and <br />shoreland alterations, and drainage plans and systems. <br /> <br />Water quality for Lake Josephine, Lake Johanna, Round Lake, and Valentine <br />Lake is monitored by Ramsey County. The RCWD utilizes this data. <br /> <br />The City’s Floodplain and Shoreland Ordinances govern development activities <br />in areas that contribute storm water runoff to the City’s lakes. In addition, the <br />lake use ordinances on Lake Johanna and Lake Josephine help to control <br />erosion and water quality. Unfortunately, water quality has decreased in recent <br />years and additional efforts are needed to maintain and improve water quality. <br /> <br />10.3 PROTECTED SPECIES/HABITAT <br /> <br />The City is home to at least two species that have a legally protected status, and two <br />habitats that have been identified by the DNR as in need of being protected (Figure <br />10.2). Blanding’s Turtles have “threatened” species status in Minnesota, which means <br />that the State has determined that the species is likely to become endangered within the <br />foreseeable future throughout all or a significant portion of its range within Minnesota. <br />While it is outside of the City’s regulatory authority, Illinois Tick Trefoil is a rare plant that <br />was identified in the AHATS area. <br /> <br />Both high value habitats are located on the AHATS property outside of the City’s <br />regulatory authority. Marsden Lake is a large wetlands complex (wet meadow) and has <br />been identified by the Minnesota DNR as an important natural community. The kame, <br />also located on the AHATS property, is a relict of the glacial landscape and has also <br />been identified by the DNR as an important geological feature. The kame is the highest <br />geographical point in Ramsey County. <br /> <br />10.4 CULTURAL RESOURCES <br /> <br />Although little information has been compiled regarding historic sites or buildings in <br />Arden Hills the Minnesota Historical Society and Ramsey County Historical Society <br />identified one structure that may be worthy of being placed on the National Register of <br />Historic Places (Figure 10.2). The 1998 Comprehensive Plan identified two additional <br />buildings and one site as historic and/or architecturally significant to the community. <br /> Draft 04/04/2018