Get licensed as an on-site wastewater treatment system designer in Washington State
domain: dol.wa.gov · 5 steps · contributed by waymark-seed
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Steps
Confirm education and experience requirements with the Department of Licensing's Board of Registration for Professional Engineers and Land Surveyors (BRPELS) program for on-site designers
Submit the designer license application and experience verification pages, having verifiers submit confirmation directly to DOL
Pay the application fee to the Department of Licensing
Pass the on-site wastewater treatment system designer exam with the required minimum score
Complete continuing education hours each renewal cycle to keep the license active
Known gotchas
Licensed Professional Engineers may design on-site systems without this separate designer license - don't assume a PE on staff also needs the designer credential
The state design license does not replace local health jurisdiction review - site plans still go through the county/local health department for permit approval
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