Limited Phase 1 Environmental Site Assessment - Scott County

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Recognized environmental conditions (RECs) were ranked as having high, medium, or low potentialfor contamination. This ranking system is similar to the ranking system used by the MinnesotaDepartment of Transportation. The ranking is used to help the reviewers of this documentunderstand RECs that are of greater concern compared to others. The rankings are defined asfollows:High Potential for Contamination – All active and inactive Voluntary Investigation and Cleanup(VIC) and Minnesota Environmental Response and Liability ACT (MERLA) sites, all active andinactive dump sites, all dry cleaner sites, and all active Leaking Underground Storage Tank(LUST) sites.Medium Potential for Contamination – All closed LUST sites, all sites with UndergroundStorage Tanks (USTs) or Aboveground Storage Tanks (ASTs), and salvage yards.Low Potential for Contamination – All licensed and inspected hazardous waste generator sitesand possibly some commercial and farmstead sites.2.6 RelianceThis Limited Phase I ESA has been prepared for the exclusive use of Scott County Highway Division.The scope and classification of Recognized Environmental Concerns (RECs) has been completed tothe satisfaction of Scott County for evaluation of potential risk. Reliance on this report by otherparties may result in assumptions that are incorrect and misinterpreted. Therefore no other parties,unless given consent by Scott County, should rely upon this Limited Phase I ESA to evaluate risk.Scott County assumes no responsibility for the accuracy of information obtained from other sources,including other regulatory and governmental agencies, persons interviewed for this project or vendorsof public data.3.0 PROJECT DESCRIPTION3.1 LocationThe road improvement corridor is located in the south end of the City of Shakopee, in Scott CountyMinnesota. The road improvement includes:CH17 Corridor between CH16 to 800 feet south of CH78And County Highway 78 Corridor between CH79 and CH17CH17 between 800 feet south of CH78 and 1500 feet north of CH42.Twp 115N, Range 22W, Section 18 and 19Project Name: CH17-31 and CH17-323.2 Current Use and Past Uses of the Project AreaCurrently, both roadway segments are designated as County Highways. County Highways 17 and 78are shown on the 1944 Scott County plat maps as County roads. Last major construction to roadsegments of interest are listed as:CSAH 17 from .06 miles south of CSAH 42 to .51 miles north of 78 in 1986.5
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
Page 1 and 2: LIMITED PHASE 1 ENVIRONMENTAL SITE
Page 3 and 4: APPENDICIESAppendix AFigure 1 Locat
Page 5: 2.3 Significant AssumptionsThe foll
Page 9 and 10: 4.2 Database SearchA search of vari
Page 11 and 12: St Francis #19420Tank Number Instal
Page 13 and 14: 8.0 SIGNATURES, QUALIFICATIONS, AND
Page 15 and 16: Appendix A Location MapsFigure 1: L
Page 17 and 18: MARSCHALLSARAZINHAZENBRITTANYHWY 16
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Page 21 and 22: Appendix B Record ReviewFigure 1 Mi
Page 23 and 24: Well Log Listhttp://mdh-agua.health
Page 25 and 26: 1712MARSCHALLRD Sg1788MARSCHALLRD S
Page 27 and 28: GENERATOR FACILITIEShttp://www.epa.
Page 29 and 30: United States Environmental Protect
Page 31 and 32: This database includes RCRA Non-Cor
Page 33 and 34: Bulk Storage PermitsThe Minnesota D
Page 35 and 36: The Recycling Markets Directory is
Page 37 and 38: SCOTT COUNTYCOMMUNITY SERVICES DIVI
Page 39 and 40: 6/8/11SCOTT COUNTY LICENSED HAZARDO
Page 41 and 42: 115N 22W 18PARK NICOLLET CLINIC SHA
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Page 45 and 46: Environmental Site Assessment Phase
Page 47 and 48: Drawn By: Kate SedlacekEnvironmenta
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Page 53 and 54: Appendix D Reconnaissance Photos
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2231 Marshall DriveSeptic system lo
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Exact well locations unknown, some
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Septic Systems on County Highway 78
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Limited Phase 1 Environmental Site Assessment - Scott County

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