Septic and Onsite Wastewater Systems

Septic and Onsite Wastewater Systems

Septic Frequently Asked Questions

General Information

Our complete permitting process is now online, and all of our development permits are submitted and processed digitally!  

Instructions & Forms for Online Permit Submittals

12941

Records

34956

Approvals and Application Process

35021

Review and Building Permits

35061

Permits and Construction

35096

Repair/Maintenance

35141

Problem Sites / Under Approval

35201
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Who can perform a Time of Transfer Evaluation?

A Time of Transfer evaluation must be performed by an Agent or a person who is qualified to perform the evaluation and is registered in accordance with ORS chapters 672 or 700 or has a current NSF International wastewater system inspector accreditation or other certification approved by the Department.

The following web links can help you find information on qualified Time of Transfer inspectors:

  • Oregon Health Authority
    To do a query, click on this link and select "environmental health registration board."Then select your county and click "start search." A list of certified individuals will appear. To get additional information including contact phone numbers, click on the license number.
  • NSF International
    Since this is a new requirement in Oregon there are currently few or no individuals with the NSF International Onsite Wastewater Inspector Accreditation in Oregon.
  • List of DEQ and county offices
    These evaluations can also be done by applying for an existing system evaluation at your local county Environmental Health or regional DEQ office.

For more information on time of sale inspections, go to the Oregon Department of Environmental Quality.

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To request a septic inspection

For pre-construction stake out inspections, skip steps 1-3. Please make sure the stake out drawing has been submitted and call the IVR system for inspection.

  1. Install the septic system as indicated on the construction detail sheet, but do not backfill the system.
  2. Complete the Onsite Wastewater Installed Materials List and As-Built Form. Make sure the as-built drawing is signed by the installer of the septic system.
  3. Fax to 503 742-4550 or email (PDF format to soilsconcern@clackamas.us) the Onsite Wastewater Installed Materials List, As-Built Form, Certificate of Existing System Decommissioning (if required), and Pump Receipt (if required) to 503-742-4599 before 6 a.m. of the day the inspection is requested.
  4. Call the IVR inspection line at 503-742-4720 before 6 a.m. and follow the steps listed on the back of your permit/receipt.
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