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New protections will soon be in place for buyers of homes with septic systems in Snohomish County.
The Snohomish County Board of Health adopted an ordinance last week requiring all septic systems to be inspected before a property is sold. The measure takes effect Nov. 1.
According to a health department news release, the ordinance brings Snohomish County into compliance with a new state law that makes such inspections mandatory for all counties. Neighboring counties such as King, Skagit and Island already require such inspections.
The new inspection requirement will help protect water quality and reduce pollution from failing septic systems. It will also help protect homeowners from inheriting potentially expensive problems.
A certified septic professional must inspect the septic system, and tanks must be pumped if required. Inspections may be completed up to one year before closing on the home sale.
“These inspections help protect our environment and public health, ensure septic systems are well maintained, and give homebuyers clear information about the condition of a property,” said Board of Health Chair Megan Dunn. “As we make these changes to come into compliance with state law, we are here to help buyers and sellers meet the new requirements.”
Through the Health Department’s Savvy Septic program, homeowners can access rebates, grants and expert guidance to keep their septic systems functioning properly.
About 2,800 properties with septic systems change ownership each year, according to Snohomish County Assessor records. Snohomish County has about 84,000 private septic systems. Many are in unincorporated areas, but a large number also exist in more populated areas such as Lynnwood and Mukilteo.
“We’ve spent the last year collaborating with partners across the community to design this program,” said Ragina Gray, director of the health department’s environmental health division. “We want to make sure the new rules are practical. If you plan ahead, this requirement won’t slow down a home sale.”
In the summer and fall, the department will conduct outreach and education for realtors, septic contractors and homeowners to prepare for the new rules.


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