Vactor Waste Decant Facility


Facial coverings are required at all Snohomish County Solid Waste facilities. All customers, vendors, contractors and visitors are required to wear facial coverings. Customers refusing to wear a facial covering will be turned away and not allowed to utilize the facility. Please click here for an overview of the new requirements.

Vactor Buildings 3

Operating Hours

Monday thru Friday: 7 a.m. to 5 p.m.

Closed - New Year's Day, Easter, Thanksgiving Day, and Christmas Day

Rate and Fees

Solid and liquids = $208/ load

Liquids only = $ 201/ load

Water fee = $20/ load


Authorization to use the Vactor Waste Decant Facility will be given to any new vendor or governmental agency that completes all aspects of the Solid Waste Division authorization process and is approved by Snohomish County. To gain access to the facility, new customers will need to complete the following steps:

Step 1: Snohomish County Credit Account Request

Customers that wish to use the facility must get prior approval from Solid Waste Division by filling out a Snohomish County Credit Account Request Form, along with the Vactor portion of the form, AND providing chemical analytics on the material they wish to dispose. For more information on accepted materials and our chemical threshold levels see our Acceptance Policy section below. 

Customers must complete this application for credit with Snohomish County Department of Finance, including appropriate bonding to become a part of the automated billing system prior to access being granted. Please note that Snohomish County Department of Finance cannot approve a new customers until they have been provided the original, stamped surety bond. To ensure a timely approval be sure to include this with your credit application.

Step 2: Notification of Approval

The chemical analytics will be reviewed by Solid Waste Division staff. Customers will be notified on whether they are approved to dispose within five (5) days of submitting tests.

Step 3: Authorization

Once the application for credit AND the chemical analytics have been approved, customers must:

Acceptance Policy


  • Stormwater drainage system solids and liquids
  • Drilling slurry
  • Decant liquids

Special Permission Required

  • Car wash process water vaults
  • Concrete slurries
  • Grease traps
  • Non-Snohomish County decant stations
  • Sites associated with the production of solvents, fuels, PCBs, pesticides, or radioactive materials
  • Stormwater and/or water treatment system (filters, filter media, etc.) 
  • Stormwater drainage systems with known or historic contamination 
  • High volume loads

Strictly Prohibited

  • Dangerous wastes 
  • Hazardous wastes 
  • Suspected or obvious contaminated materials
  • Domestic sewage


Customers may only use vehicles that have the ability to discharge liquids and solids separately or have a total capacity for liquids not exceeding 5,000 gallons. Please notify us of anticipated high volumes.

All materials must meet the acceptable chemical thresholds set forth in WAC 173-303. Customers disposing materials that require special permission without prior approval may have their authorization to use the facility revoked immediately. Materials that require special permission will required to submit chemical analytics demonstrating that it falls within the follow chemical thresholds:

Chemical Thershold Levels

Additional Information

For more information about the our rates or credit process, please contact us at any time at, or call (425) 388‐7647.

For more information about the our acceptance policy, please contact Michael Smith at or call (425) 388-7519.