Community Assessment Report - Onsite Sewage Treatment ...

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addition, as in other tables, actual cost per unit will vary-units with more wastewater volume willface larger costs while units with lower wastewater volume will likely have lower actual costs.T:\2797-01 Chisago County\CAR\ROLLINGS SHORES CAR 090712.docx4-8
5.0 Summary and Recommendations5.1 SUMMARYThis report documents the compliance status for the existing cluster SSTS and provides the sideby side comparison of the alternatives for long-term wastewater infrastructure for properties inthe Community of Rolling Shores (the CAR area). A summary of the findings:• The existing cluster SSTS is a non-compliant imminent health threat system that alsofails to protect groundwater• 8 of the 14 properties have the option of installing a Type 1 ISTS mound systems toreplace their current system in the future• Estimated capital costs on average per property for the CAR evaluated alternatives:o Alternative 1: ISTS = $18,000o Alternative 2: LISTS Type 3 Cluster Mound with STEP Collection Systemserving 6 properties and ISTS at remaining 8 properties = $30,100o Alternative 3: MSTS Type 3 Cluster Mound with STEP Collection System for 14properties = $43,800o Alternative 3: MSTS Cluster Subsurface Drainfield with STEP Collection Systemand Nitrogen Removal Technology for 14 properties = $65,0005.2 RECOMMENDATIONSThis report will aid in making an informed decision on what steps to take as the alternatives areconsidered. It is our recommendation that the CAR area be treated by parcel, with the followingrecommendations based on Community values:• If the Community values the lowest cost alternative, then the following recommendationsapply:T:\2797-01 Chisago County\CAR\ROLLINGS SHORES CAR 090712.docx5-1
Page 1: Rolling ShoresCommunityAssessment R
Page 4 and 5: 1.0 Introduction1.1 BACKGROUNDThe C
Page 7 and 8: 1.3 REPORT PURPOSEThis report is a
Page 9 and 10: 2.0 Existing Conditions2.1 INTRODUC
Page 11 and 12: 2.3 FINDINGSThe purpose of the site
Page 13 and 14: Photo 1: Wastewater effluent surfac
Page 15 and 16: 3.0 Alternatives Analysis3.1 INTROD
Page 17 and 18: 3.2.2 Private ISTS ProgramIn a priv
Page 19 and 20: ISTS rules dictate that systems tha
Page 21 and 22: with CAR ID#13 is allowed to build
Page 23 and 24: Table 4: Estimated Permitting Flow
Page 25 and 26: etained at all individual propertie
Page 27 and 28: • Lower operation and maintenance
Page 29 and 30: 4.0 Cost Comparison of Alternatives
Page 31 and 32: The replacement wastewater system A
Page 33 and 34: asis, other considerations such as
Page 35: analysis over a 25-year period show
Page 39 and 40: • Chisago County would continue t
Page 41 and 42: Project LocationRush Lake 7.5 Minut
Page 43 and 44: 920940920920920920940930920920920!A
Page 45: 13Note: CAR ID#13 will be a holding
Page 48 and 49: Appendix ABackground Information
Page 50 and 51: pores and channels. As a result the
Page 52 and 53: The trench is the most common of th
Page 54 and 55: DRAFT - 5/30/12Septic System Improv
Page 56 and 57: CAR ID#Property Information Drainfi
Page 58 and 59: 03.01358.15!>SB 1948.71503.01358.16
Page 60 and 61: !(03.01358.13!(!A!>SB 1939.30703.01
Page 62 and 63: !>!A03.01358.11!. !.03.01358.12!>SB
Page 64 and 65: 03.00047.1003.00047.00!(SUMP OUT925
Page 66 and 67: 03.01358.06!ACambridge Dr!>SB 1939.
Page 68 and 69: !A03.01358.04Cambridge Dr!A03.01358
Page 70 and 71: !(!>SB 1939.98903.01358.02!ASB 1940
Page 72 and 73: !>03.01358.18470th St!>SB 4935.649S
Page 75 and 76: Appendix DSoil Borings
Page 77 and 78: Date Completed:Completed By:Project
Page 87 and 88:
Date Completed:Completed By:Project
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Appendix EFlow Calculations
Page 101 and 102:
LISTS Final Permitting FlowWorkshee
Page 103 and 104:
MSTS Final Permitting FlowWorksheet
Page 105 and 106:
ESTIMATED LISTS CLUSTER CAPITAL COS
Page 107 and 108:
ESTIMATED CLUSTER MSTS CAPITAL COST
Page 109 and 110:
OPERATION AND MAINTENANCE FOR CLUST
Page 111 and 112:
Appendix GChisago County Letters
Page 113 and 114:
Compliance Inspection FormExisting
Page 115 and 116:
Property address: Cambridge Dr, Har
Page 117 and 118:
Easement and property research find
Page 119:
#210968• Signed June 27, 1988•
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Community Assessment Report - Onsite Sewage Treatment ...

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