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Homeowner Certification Training
The Whatcom County Code allows homeowners who become certified to complete evaluations of their on-site sewage systems (OSS), except for the following system types:
- Proprietary OSS technologies, i.e. aerobic treatment units (ATU’s), Biofilters, Drip irrigation.
- Community drainfields, i.e. an OSS that serves more than one residence.
- OSS that have been repaired and were considered non-conforming at the time of permit issuance due to the site conditions.
- OSS that are serving food service establishments.
All gravity, non-pressurized mound (gravity mound), pressure distribution, pressure mound and sand filter OSS may be evaluated by homeowners. To determine your system type, refer to your OSS permit if you have a copy. The system type is usually noted on the front page. If there is no permit available for your OSS, it is most likely a gravity system. If you do not know your system type, contact our office at (360) 676-6724 or via email at Health_EH_Parcel@whatcomcounty.us.
Once you determine what type of OSS you have, you can click on the following link to register for homeowner training. There are two types of classes:
- Gravity – for those systems consisting of only a septic tank and gravity drainfield and non-pressurized mounds. Those systems that pump to a gravity distribution drainfield would also register for this class. Gravity distribution of the effluent in the drainfield is the key, even if a pump is used to deliver effluent to the drainfield elevation.
- Pressure – all those systems consisting of a pump that distributes effluent to the drainfield through small diameter pressurized pipes. Pressure distribution, Pressure mound, and Sand filters.
Click here to register
https://www.mybookingcalendar.com/WCHD 
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