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Certification for Septic Professionals
Notice: Our Septic Regulations Have Been Revised
What You Need to Know About Properties Connected to a Septic System
Thinking about buying or selling a home with a septic system? If so, you should be asking yourself these questions:
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Do I know where the septic system is located on the property?
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Do I know what type and size of septic system serves the home?
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Is the existing septic system legal? Does it have any limitations that I should be aware of before I sell or buy the home?
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When was the last time the septic system was inspected or pumped-out? Is it working properly?
A septic system is a critical component of a home --- it collects, treats, and disposes of all of the used water from toilets, sinks, tubs, showers, dishwashers, clothes washers, etc. Without a properly working and legal septic system, a home's value to the occupants or potential buyers is severely diminished. Who wants to own a home where you can't flush the toilets, take a shower, or wash your clothes? For more information about how septic systems work and the different types of septic systems see our Homeowner's Guide to Onsite Septic Systems.
Before buying or selling a home, make sure that you know what the status of the septic system is by having the Health District do a records review and site inspection of the septic system, and provide you with a written report of the findings. It is not only a good idea to protect your investment, but it is also the law (Kitsap Public Health Board Ordinance 2008A-01, Section 13.D.).
A Property Conveyance inspection is important to identify significant problems. See Property Conveyance Inspection Findings chart below. If these problems are not identified or corrected, they can cause problems for the home sellers or buyers and even cause septic system failure after the new owners take possession of the property.
For more detailed information, please refer to our Selling a property with a septic system: What, Why & How guide.
If your property does not have a record drawing, you will need to create one. Please follow the instructions contained within the Record Drawing Document.
2024 Property Conveyance Inspection Findings
1676 property conveyance inspections (PCI) for septic were completed in 2024. Of those, 464 (28%) had significant deficiencies identified.
Avoiding Common Problems on Property Conveyance Inspections
Encroachment - don’t build or park on your primary or reserve drainfield. Primary and reserve drainfield areas are intended to be maintained clear for maintenance and for future use.
Maintenance accessibility - For alternative systems, keep components accessible for maintenance.
Use beyond capacity/unpermitted connections -
Stay within the designed capacity of your drainfield design. To find out how many bedrooms your septic is approved for, search for your records through our GIS Search.
Do not add plumbing to outbuildings without project review and approval from Kitsap Health.
Primary/reserve areas compromised -
Know where your septic areas are and protect them. For more information about how to protect those areas, review the Homeowner’s Guide
What You Need To Know About Properties Connected to a 1- or 2-party well or a Group B Water System
Effective March 4, 2019, all properties served by a private one- or two-party water supply or a Group B Water System are required to have a Water Status Report prepared by the Health District prior to sale. In the past, these reports have been optional but are now required.
Water Status Report Applications should be submitted 30 days prior to property transfer to allow for any identified issues to be addressed prior to closing.
For more information about the new rules, please view our Water Status Reports - Frequently Asked Questions handout.
Just like a Property Conveyance Inspection is important to know the status of the septic system, it is also important to evaluate the water system to identify significant problems. See the Private Water Status Report Findings and group B Water Status Report Findings charts below. If these problems are not identified or corrected, they can cause problems for the home sellers or buyers.
2024 Private Water Status Report Findings
438 private water status reports were completed in 2024. Of those reports, 173 (39%) had significant problems identified.
Avoiding Common Problems on Private Water Status Reports
Construction Standards - Keep your well-head above grade and accessible (at least six inches above grade)
Well openings/access for contamination - Openings in the well casing/cap can allow contamination into the well. Ensure conduit, cap and all other entry points are sealed.
Ensure pressure tank maintenance is up to date and sample for bacteria annually. For more information about bacteria sampling, view the handout.
2024 Group B Water Status Report Findings
124 public water status reports for Group B systems were completed in 2024. Of those, 106 (84%) significant problems were identified.
Avoiding Common Problems on Public Water Status Reports
No user agreement - Group B user agreements have been required since 2019. All water systems should review their current user agreement or, if there isn’t one, create one. More resources can be found in below in the Drinking Water Publications Downloads. Look for these documents:
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Group B Water System User Agreement Requirements
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Group B Water System User Agreement Information and Resources
No operating permit - Group B water systems must have a current operating permit. Ensure water system contact information is up to date and the permits have been paid. For more information, visit our Managing Group B Public Water Systems page.
Sampling not current - Most Group B water systems must sample annually for bacteria and every three years for nitrate. If you’re unsure of your sampling frequency or need technical assistance with taking samples, please call us at (360) 728-2235 and ask to speak to the Drinking Water Inspector of the Day.
Also, reminder cards are mailed approximately 30 days prior to sample due date. Make sure your system contact information is updated.
Summary of Requirements
You can find the complete certification requirements in Section 17 of our regulations. Requirements are summarized below for your convenience.
Experience in Kitsap County - 3rd party documentation of one year of onsite sewage system work experience under the supervision and direction of a Kitsap Public Health Officer Certified septic professional. Your experience must be in the certification specialty for which you are applying (Installer, Monitoring & Maintenance Specialist, or Pumper). If this requirement cannot be met but you are certified in another jurisdiction, we will consider your experience in another county with references and a waiver request (with associated fees).
Training - Documentation of 40 hours of Onsite Sewage System (OSS) training.
Testing - Documentation of a passing score of 70% or higher on certification test.
Installer Certification - WOSSA’s Installer Level 2 (Professionals)
Monitoring & Maintenance Specialist Certification - WOSSA’s O&M Level 2
Septic Pumper - WOSSA’s O&M Level 1
License/Insurance/Bonding - A photocopy of the contractor’s license under which you will perform work. If you do not have your own contractor’s license, we also need a corporate resolution signed by the LLC or corporation principals of the company for which you work, stating that you work for them and you are covered by their contractor’s license, bonding, and insurance.
Fees - A certification review fee (please refer to our current Environmental Health fee schedule for initial certification fees) and a waiver fee (if applicable). Fees cover the review of your qualifications and submitted documents, it does not guarantee certification.
We refer our contractors to the Washington Onsite Sewage Association ( WOSSA ) for training & testing. You can also check the National Onsite Wastewater Recycler’s website for training opportunities (NOWRA).
You can find our Regulations and Policies page here.
How to apply for Certification
You can obtain the application and submit your documents and payment online here. Incomplete submittals will be denied and refunded and you will have to resubmit.
Include these attachments with submittal:
your application (completed and signed)
a copy of your contractor’s license (and corporate resolution if applicable)
training documentation (40 hours)
a copy of your WOSSA test results
a waiver request (if applicable).
*Please note if any part of the submittal is missing or incomplete, your fee will be refunded and you will have to resubmit.
Renewing your Certification
Certifications expire on March 31st of each year. You can renew your certification(s) after February 15th. Renewals submitted prior to that date may be denied and refunded. The link for renewals is: https://www.kitsappublichealth.org/ehdocs/contractorcertification
If you have questions about the certification or renewal process, please contact our office at (360) 728-2235 or ossdw@kitsappublichealth.org.
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