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Resources for Professionals

A Routing/Transmittal Form must accompany every application or revision that is submitted to Jefferson County - including those associated with a planning or building project. Be sure to fill out the form completely, as incomplete submittal forms may be returned or delayed.
Click here for form 

Installation starts and requests for inspections for pressure or pump tests must be faxed or emailed 24 hours prior to beginning construction or requesting inspection. 
Click here for form

Washington State Onsite Sewage Association

The Washington On-site Sewage Association (WOSSA) is a professional organization representing all professions in the siting, design, installation, use and regulation of on-site wastewater systems that will treat and dispose of sewage in a safe, reliable and cost-effective way. WOSSA operates the Northwest Onsite Waste Water Training Center to serve as a resource center and to promote professional excellence. A schedule of classes is available at the WOSSA web site.  

Washington State Department of Health Standards and Guidance 

The Washington State Department of Health Wastewater Management program is designed to protect public health by promoting the safe treatment and disposal of domestic and other non-industrial wastewater in areas of Washington not served by municipal sewage treatment works.

They provide assistance to local health jurisdictions regarding on-site wastewater issues and review and approve plans for large onsite sewage systems.

Please direct your questions to the Wastewater Management Program. Follow this link for  Wastewater Management Section Contact information page.

For a more detailed listing of Standards and Guidance, click here, then enter <standards and guidance> in the search box.  

Jefferson County Development Resources

The Jefferson County environmentally sensitive areas (ESA) mapping site project has been created to allow project proponents to get some idea of what issues might be involved on their land before they apply for a permit. Follow this link to view Maps .

Follow this link Database Tools for information about permits and cases, recorded and scanned documents, special reports and other pertinent data.

Useful Tables and Forms

Trench Width-Site Slope Table

On-Site Wastewater Treatment System Designer Licensing and Inspector Certification Program

For more information on the certification and licensing program go to the Washington State Department of Licensing website and put in the key words 'onsite wastewater' to the site search box.

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Jefferson County Jefferson County Public Health
615 Sheridan Street - Port Townsend, WA 98368
Community Health: 360.385.9400 | Environmental Health: 360.385.9444