Snohomish County Public Utility District No. 1

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Customer Service (M-F 8a-5:30p): 425-783-1000

Other Considerations: Environmental, Health/Safety, Permitting


  • Compliance with Washington Department of Ecology’s Stormwater Management Manual Best Management Practices (BMPs) for erosion, sedimentation, and pollution prevention
  • Consultation with state agencies including Washington Department of Fish and Wildlife, Department of Natural Resources, and Department of Archaeology and Historic Preservation
  • Ongoing studies for ESA listed species and consultation with US Fish and Wildlife Service
  • Consultation with Snohomish County Planning and Development Services (see permits section)

Health and Safety:

  • Site specific safety plan
  • Compliance with standard safety protocol for drilling industry
  • Material Safety Data Sheets (MSDS) for drilling fluids
  • Site control signage and fencing

Permits and Approvals Obtained:

Snohomish PUD:

  • SEPA Determination of Nonsignificance (DNS)

Snohomish County Planning and Development Services:

  • Shorelines Substantial Development permit
  • Critical Areas review
  • Land Disturbing Activity Permit
  • Public Disturbance Exemption
  • Targeted Drainage Plan and Stormwater Pollution Prevention Plan

Washington Department of Fish and Wildlife:

  • Hydraulic Project Approval (HPA)

Washington Department of Natural Resources:

  • Geothermal Exploration Permit
  • Forest Practices Permit

US Forest Service:

  • Road Use Permit