Agenda - Council - 09/13/1982 - Special

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'1 i I I I I I I I I I I I I The Federal Aviation Administration and' the U.S. Fish and Wildlife Service have expressed concern over proximity of the site to the Gateway North Industrial · Airport because of the potential for creating a bird hazard. There is no history of conflict with the existing landfill, a point noted in correspondence between the Fish and Wildlife Service and the MPCA. The Gateway airport is' approximately 700 feet southwest of the site. It is a private, low-volume facility. There are no plans for its expansion, although there has been some consideration that it be closed and moved elsewhere. The site appears consistent with the imediate surrounding land use, zoning and planned use for the area. The site does not conflict with 'the Council's poli- cies and siting criteria respecting local land use and land use controls. Council policy requires that sites be visually compatible with adjacent pro- perty; specifically, residential and other nonindustrial uses are compatible only if there are barriers to reduce noise and obscure public view. The site is well screened on the north. Additional screening may be necessary for resi- dential development along the eastern part of the site. Screening is desirable for residential development northwest of the site, although the site should be less intrusive than the existing landfill. ?lanned land uses to the south and west are industrial. Existin~ and Future Development Patterns Urban services are planned to be introduced in areas south and east of the site over the coming decade. There is also a possibility that services will be pro- vided west of the site by the year 2000. The industrial land directly south of the site has locally been planned to receive sewer service in 1984. Ramsey is also in the preliminary phases of planning to provide municipal water service. Lands north of the site are not planned for sewer or water service in the near future, but will continue as low-density residential development areas. It appears that the site would not adversely impact the area's existing and future development patterns. Environmental Impacts The proposed site is located within the Anoka sand plain, a series of glacial outwash plains. Well logs from the area show a 35- to 60-foot surface mantle of sand and gravel, underlain by gray silty till, with discontinuous layers of clay and gravel. The till depth ranges from approximately 100 to 150 feet. The first bedrock formation is the St. Lawrence, which functions as a confining layer and is not an aquifer. Underlying the St. Lawrence are Franconia, Ironton and Galesville formations, which are aquifers used for water supply purposes. Figure 3 shows a geological section for the area and Figure 4 illustrates depth to underlying bedrock. The majority of wells in the surrounding area are finished in the upper Fran- 'conia formation which is artesian. The remaining wells are finished in the glacial till. No water supply wells have been identified in the overlying-sand mantle. The report Evaluation of Water Resources~ Mmnitoring~ Sanitary Land- fills 9f Anoka Coun_Q_t~_* notes that it is doubtful that the surficial aquifer is used as a source of potable water. Local well codes prohibit construction of new wells in this aquifer and in the upper drift aquifer. *Barr Engine.ering~ 1981.