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Wastewater program service fees

If you have any questions about the fee schedule, please call the Environmental Health - Wastewater Program at 206-296-4932.

OSS = Onsite Septic (sewage) System

DESCRIPTION
Fees
OSS Construction Permit Fee:
Single-family (new pressurized)
$772
Single-family (new gravity)
$665
Single-family (repair or modification)
$596
Single-family (limited repair)
$212
Non-single- family
$1,035
Delinquent submittal of as-built
$173
OSS Maintainer Certificate of Competency Fee:
Issued July 1st of before
$277
Issued after July 1st
$139
Maintainer competency examination
$277
Master Installer Certificate of Competency Fee:
Issued July 1st of before
$277
Issued after July 1st
$139
Master Installer Competency Examination
$277
Associate Installer Certificate of Competency Fee:
Associate Installer Certificate
$104
Associate Installer Competency Examination
$173
Pumper Certificate of Competency Fee:
Business Owner
$208
OSS employee
$104
Vehicle inspection tab
$87/ vehicle
Pumper Competency Exam
$173
Site Design Application Review Fee:
Conventional Gravity System, new
$442
Pressurized System, new
$749
Revision Review
$173 base + $173 / hour after one hour
Community & Large On-Site Systems Review Fees:
New/Replacement preliminary engineering report
$659
New system plans & specs.
$763
Repair/Replacement plans & specs.
$520
Management agreement review
$243
Subdivision Review Fees:
Pre-application review
$696 + $115/lot
Final application review
$1,214 + $175/lot
Sewage Review Committee Fees:
Appeal review
$1,279
Refunds, non-refundable amount
$75
Miscellaneous Fees:
Building Remodel Application Review
$451
Wastewater tank manufacturers standards review
$173 base + $173/hour after one hour
OSS Maintainer's report:
Periodic maintenance/ performance monitoring
$25
OSS Maintainer's report:
Performance inspection for title transfer
$95
Replacement Private Well/Spring Location Review
$225
Watertable Monitoring Plan Review
$786
Experimental system review
Actual cost
Disciplinary/performance review conference for certificate of competency holder
$150
Reinstatement of certificate after suspension
Applicable Certificate Fee
Reinspection fee
Actual Cost ($50 minimum)
Change of designer of record
$173
Reports on the condition of... ("Operational Checks"):
Individual private, non-public well
$366
On-site system
$366
On-site system and individual private, non-public well on the same premises
$522