Limited Phase 1 Environmental Site Assessment - Scott County

CSAH 17 .51 miles north of 78 to 835’ North of CSAH 16 in 2000.CSAH 78 from 79 to .25 miles west of CSAH 17 overlaid in 2008.CSAH 78 from .25 miles west of CSAH 17 to CSAH 17 built 1993Historical photographs and interviews with Scott County Environmental Health staff confirm that thehistorical use of the project site has been as a roadway through adjoining residential and agriculturalproperty; please see Appendix C Historical Photos.3.3 Description of Structures, Roads, Other Improvements on the SiteThe history of the County highway is provided in Section 3.2 above. The Scott County HighwayDivision photographed homes built prior to 1950 and within a quarter mile of the road project. Thisinformation was submitted to Minnesota Department of Transportation for historical and archeologicalreview, please see appendix E. On April 14, 2010, a Limited Phase I Environmental Assessment wasdone for the County Highway 17 and 42 interchange. This Limited Phase I ESA review overlaps avery small portion of the Limited Phase I ESA completed in April, 14, 2010. Please contact ScottCounty Environmental Health for a copy of the Limited Phase I ESA CH17 and 42 Interchange.The County Highway 17 and Trunk Highway 13 Corridor Study anticipate that there will be buildingswithin the construction limits that will require acquisition by the County. Those buildings or parcels ofland that will be acquired will require further environmental review. Scott County should furtherinvestigate acquired buildings for septic system and well locations, household hazardous waste, solidwaste, etc. Buildings outside the road construction limits are beyond the scope of the evaluation.4.0 RECORDS REVIEW4.1 Physical Setting Sources Review of Available Soil, Bedrock, Groundwater,and Floodplain InformationSoils: Listed below are the soil types within a 100 foot buffer of the road improvement corridorobtained from the Natural Resources Conservation Services Soil Survey.SymbolDbAEaAEaB2LbDLbB2GaHaBHaD2HaE2HaB2HaCHaC2HbD3HbE2LcDNameDickman sandy loam, 0 to 2 percent slopesEstherville loam and sandy loam, 0 to 2 percent slopesEstherville loam and sandy loam, 2 to 6 percent slopes, moderately erodedEstherville-Burnsville complex, 12 to 50 percent slopesEstherville-Burnsville complex, 2 to 6 percent slopes, moderately erodedGlencoe silty clay loamHayden loam, 0 to 6 percent slopesHayden loam, 12 to 18 percent slopes, moderately erodedHayden loam, 18 to 25 percent slopesHayden loam, 2 to 6 percent slopes, moderately erodedHayden loam, 6 to 12 percent slopesHayden loam, 6 to 12 percent slopes, moderately erodedHayden sandy clay loam, 12 to 18 percent slopes, severely erodedHayden sandy loam, 18 to 25 percent slopesLester loam, 12 to 18 percent slopes6