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Snohomish County Public Utility District No. 1
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425-783-1000
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Environmental Commitment
SEPA Documents
Completed
Completed SEPA Projects
Completed
Arlington Microgrid & North County Training Project
Download "AMG_SEPA_Notification.pdf"
SEPA Notification
Download "AMG_sepa-checklist.pdf"
SEPA Checklist
Download "AMG_DNS.pdf"
SEPA Determination of Non Significance
Download "AMG_SolarGlareReport.pdf"
Solar Array Glare Study
Download "AMG_CulturalResourcesAssessment.pdf"
Cultural Resources Assessment
Download "AMG_CriticalAreasRecon.pdf"
Critical Areas Reconnaissance Letter
Download "AMG_GeotechReport.pdf"
Geotechnical Report
Download "AMg_HydrogeologicReport.pdf"
Hydrogeologic Assessment
Download "AMG_TreeSurvey.pdf"
Tree Survey
Download "AMG_SitePlans.pdf"
Site Plans
Download "AMG_TrafficAnalysis.pdf"
Traffic Analysis
SR 530 Control Zone & 12kV Improvement Project – SEPA Threshold Determination
Download "sr530_notice.pdf"
SEPA Notice Letter
Download "sr530_dns.pdf"
SEPA Determination of Non-Significance
Download "sr530_checklist.pdf"
SEPA Checklist
Download "sr530_criticalarea.pdf"
Critical Areas Report
Download "sr530_bioleval.pdf"
Biological Evaluation
Download "sr530_SitePlans.pdf"
LDA Site Plans
Draft 2019 Update to the 2017 Integrated Resource Plan
Download "Draft2019Update_CoverLetter_2019.pdf"
SEPA Notice Letter
Download "Draft2019Update_DNS_2019.pdf"
SEPA Determination of Non-Significance
Download "Draft2019Update_Checklist_2019.pdf"
SEPA Checklist
Download "Draft2019Update_2017IRP.pdf"
Draft 2019 Update to the 2017 Integrated Resource Plan
Download "Draft2019Update_SEPAMemo_2019.pdf"
Memorandum for the Draft 2019 Update to the 2017 Integrated Resource Plan
Stanwood to Camano Island 115kV Transmission Line
Download "SCI_SEPA-Notice.pdf"
SEPA Notice Letter
Download "SCI_SEPA-DNS.pdf"
SEPA Determination of Non-Significance
Download "SCI_SEPA-Checklist.pdf"
SEPA Checklist
Download "SCI_EngPlanSet.pdf"
Engineering Plan Set
Download "SCI_Wetland.pdf"
Wetland Mitigation Report
20th Avenue Substation Site Improvements
Download "20-AV_SEPA-Notice.pdf"
SEPA Notice Letter
Download "20-AV_SEPA-DNS.pdf"
SEPA Determination of Non Significance
Download "20-AV_SEPA-Checklist.pdf"
SEPA Checklist
Twin City Substation
Download "tcs_SEPALegalNotice.pdf"
SEPA Notice Letter
Download "tcs_SEPADNS.pdf"
SEPA Determination of Non-Significance
Download "tcs_SEPAChecklist.pdf"
SEPA Checklist
Download "tcs_CriticalAreasDetermination.pdf"
Twin City Substation Critical Areas Determination Report
Download "tcs_GeotechnicalEngineering.pdf"
Twin City Substation Geotechnical Engineering Report
Download "tcs_Phase1_EnvironmentalAssessment.pdf"
Twin City Substation Phase 1 Environmental Site Assessment
Download "tcs_PreliminarySitePlan.pdf"
Twin City Substation Preliminary Site Plan