County LogoClallam County, Washington

Local On-site Professionals

Types of On-site Professionals

The professionals who design, inspect, install and pump your septic system must be licensed or permitted. Click on the links below for more information or for a current list of professionals operating in Clallam County.

Septic System Designers (current PDF list)

Engineering ToolsSeptic system designers are licensed by the State of Washington Department of Licensing. To be licensed, they must undergo certain training, give evidence of experience in on-site design, and pass an exam. Anyone licensed by the State of Washington may design in Clallam County. In addition, Professional Engineers licensed by the State of Washington may submit designs. Please refer to the telephone book for a listing of local engineers.  Designers are the only septic professionals who may submit system status report inspections for governmental actions, i.e. lot alterations, building permits, change of use, and food service establishments.  Designers, along with Maintenance Providers can perform system status report inspections for property transfers and routine septic system inspections to meet State septic system inspection & maintenance requirements.


Septic System Inspection & Maintenance Providers (current PDF list)

Septic system Maintenance Providers are licensed by Clallam County Environmental Health and provide the service of routine inspections and maintenance of septic systems. They have passed a written test and have demonstrated knowledge of septic systems with continued education, are bonded and insured. Professional Providers please find the link to the License Application form below. They may also perform system status inspections for property ownership transfers. However, there are some limits to the scope of system status inspections performed by this category of professionals. They are not permitted to perform system status inspections in relation to governmental actions, i.e., lot alterations, building permits, changes of use and food service establishments. The list of Maintenance Providers currently licensed to inspect all types of septic systems (conventional gravity, pressurized and other alternative type systems) is updated frequently.

Septic System Installers (current PDF list)

Septic system installers are certified by Clallam County Environmental Health following an exam, demonstrated knowledge of septic systems, and proof of bonding and insurance. Professional Installers please find the link to the License Application form below. Installers who are based outside of Clallam County may install within the county only if they are certified by Clallam County.

Septic Tank Pumpers (current PDF list)Pumper Truck

Septic tank pumpers are permitted by the Clallam County Environmental Health. Pumpers may be permitted to pump both septic tanks and portable sanicans, or to pump only sanicans. Professional Pumpers please find the link to the License Application form below. Pumpers who are based outside Clallam County may pump tanks within the county only if they are permitted by Clallam County. Septic tank pumpers are not licensed to perform septic system inspections. Please see the list of currently licensed Septic System Maintenance Providers when your septic system requires an inspection. Some Maintenance Providers are also permitted pumpers and will be found on both lists.

For On-site Professionals:

This section is intended as a resource for on-site professionals operating in Clallam County. 

If there is any information you would like to see on this page, or any links you would like to share with other on-site professionals, please let us know!

On-site Forms for Professional Use Only:

Please Note:  New OSS Professionals operating in Clallam County must coordinate proper use of these forms with Environmental Health.  Please call 360-417-2506 for more information or for copies of these forms in a Word .doc format for ease of entry.

Professional Resource Links:WSEHA Logo

Clallam County Health & Human Services
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