Agenda - Council - 10/08/2019 - Laserfiche WebLink

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identified as locations of leaking underground storage tanks (LUSTs). As shown in Table C-7, site status for all the spills is identified as closed. C.1.2.1.1.6 Potential Contaminant Source Locations The PCSI identified six properties within the DWSMAs that include sites where contamination may potentially be present (Table C-8 and Figure C-10). As shown in Table C-8, all six of the sites have been classified as brownfields sites by the MPCA. C1.2.2 Transportation Routes Major highways and railroads are used for transporting a wide variety of materials. Some of these materials, if spilled, have the potential to enter the groundwater system. U.S. Highway 10 and County Roads 56, 83, and 116 cross the West DWSMA. State Highway 47 and County Road 116 cross the East DWSMA. The BNSF Railroad tracks cross the southern portion of the West DWSMA. These transportation corridors are shown on Figure C-1. Given the Moderate aquifer vulnerability classification in the DWSMAs, if a spill in one of the transportation corridors were to occur and be cleaned up promptly it is considered to be unlikely that there would be any significant risk to the City's wells and water supply arising from the spill. C1.2.3 Historical Land Use Ramsey Township was named for Alexander Ramsey, the first Territorial Governor, in 1858. Settlement was driven by trading along the banks of the Mississippi River and farming in the area. The St. Paul & Pacific Railroad reached Ramsey in 1864. Ramsey was incorporated as a city in November 1974. Historical land use shown on Figure C-12 is for the year 1984. As indicated on Figure C-12, the historical land uses present in the DWSMAs are generally consistent with current land use. Using available information, historical land uses that might significantly affect the management strategies for the DWSMAs that are not currently present within the DWSMAs were not identified The population of Ramsey increased by approximately 200% between 1860 and 1910. The population of Ramsey declined approximately 13% between 1910 and 1930 and then increased approximately 28% between 1930 and 1950. Ramsey has continuously grown since 1950. In 1950 the population was 670. By 2010, the population had grown to 23,668. In 2017 the population of Ramsey was estimated to be 25,581. While it is possible that buried features such as old wells that were not properly sealed or unused underground storage tanks not listed in any available database could be present within the DWSMAs, available information does not suggest the presence of such features. There is no basis for a concerted search for such buried features with in the DWSMAs. If any such, currently unknown, features are to be located in the future it would most likely occur only if they are encountered during development or redevelopment of a property. C1.3 Public Utilities Management of the DWSMA in the City of Ramsey must consider and reflect available public utility services information. C-6