Community Assessment Report - Onsite Sewage Treatment ...

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Large ISTS (LISTS) cluster system with remaining homes to install compliant ISTS on theirproperty; (Note: parcels may be added or removed from the cluster system as a project develops.)All potential wastewater generating structures (14) were selected for inclusion in analysis of acluster system to allow for calculating average costs for Alternative 3. Again, parcels may beadded or removed from the cluster system as a project develops.T:\2797-01 Chisago County\CAR\ROLLINGS SHORES CAR 090712.docx1-5
2.0 Existing Conditions2.1 INTRODUCTIONThis section summarizes the findings of the existing condition of the cluster SSTS in the CARarea. All the properties evaluated were served by the cluster SSTS. A determination of likelySSTS compliance status was made, as well as the compliance status of individual septic tanks ateach property. In addition, a determination was made as to whether it was feasible to replace theexisting system with a combination of ISTS and/or cluster systems to provide compliantwastewater treatment.Individual parcel information was provided by Chisago County. The number of structurescurrently or historically generating wastewater identified for investigation by Chisago Countywas 14.It should be noted that although the community of Rolling Shores has a total number ofstructures generating wastewater of 14; there is potential for development of two additionalvacant parcels. The two vacant parcels are currently owned by adjoining property owners, whomay or may not have interest in building additional wastewater generating structures. It may bein their best interest to use the vacant lot for siting an ISTS.2.2 METHODSWenck was able to access all participating properties to complete a visual site inspection of anyexisting SSTS components with the intent of: documenting Imminent Threats to Public Health orT:\2797-01 Chisago County\CAR\ROLLINGS SHORES CAR 090712.docx2-1
Page 1: Rolling ShoresCommunityAssessment R
Page 4 and 5: 1.0 Introduction1.1 BACKGROUNDThe C
Page 7: 1.3 REPORT PURPOSEThis report is a
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 and 36: analysis over a 25-year period show
Page 37 and 38: 5.0 Summary and Recommendations5.1
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
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03.01358.15!>SB 1948.71503.01358.16
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!(03.01358.13!(!A!>SB 1939.30703.01
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!>!A03.01358.11!. !.03.01358.12!>SB
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03.00047.1003.00047.00!(SUMP OUT925
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03.01358.06!ACambridge Dr!>SB 1939.
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!A03.01358.04Cambridge Dr!A03.01358
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!(!>SB 1939.98903.01358.02!ASB 1940
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!>03.01358.18470th St!>SB 4935.649S
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Appendix DSoil Borings
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Date Completed:Completed By:Project
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Appendix EFlow Calculations
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LISTS Final Permitting FlowWorkshee
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MSTS Final Permitting FlowWorksheet
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ESTIMATED LISTS CLUSTER CAPITAL COS
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ESTIMATED CLUSTER MSTS CAPITAL COST
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OPERATION AND MAINTENANCE FOR CLUST
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Appendix GChisago County Letters
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Compliance Inspection FormExisting
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Property address: Cambridge Dr, Har
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Easement and property research find
Page 119:
#210968• Signed June 27, 1988•
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