Skagit County septic O&M checklist
Quick facts
| Topic | What Skagit County materials say (re-check live) |
|---|---|
| Inspection interval | Every 3 years for conventional gravity (tank + gravity drainfield only). Every year for all other system types, including proprietary / complex systems. Proprietary systems also need a current maintenance contract recorded on title. |
| Self-inspect allowed? | Only after you meet Skagit’s homeowner inspection policy (gravity systems only). Complete Septics 101 + Septics 201, meet setbacks and as-built rules, then submit the county homeowner form + required photos. Default path: hire a certified O&M specialist. |
| Training | Free online Septics 101 (quiz) then Septics 201. Quiz app: skagitcounty.net/forms/quizapp. Extra training with a certified O&M provider is required before a homeowner may evaluate pump systems. |
| Report portal | Certified O&M specialists file electronically through OnlineRME. Homeowner reports go to Public Health by email or mail (not OnlineRME) within 30 days of inspection. |
| Property transfer | Seller must have a certified O&M inspection within 6 months of closing (unless one already exists in that window). Buyer gets a copy. Homeowner DIY inspections are not valid for real-estate transfer. |
| Pumping vs inspection | Not the same. Inspection checks components and tells you whether to pump. County guidance: pump when solids reach about 1/3 of the tank — don’t pump on a fixed schedule just because. |
Homeowner checklist
- Confirm Skagit County jurisdiction and pull your as-built / record drawing at Septic Search. No as-built? A certified O&M provider must create and submit one with the first inspection.
- Read your interval from county materials + WAC 246-272A-0270: gravity ≤3 years; everything else annual (or more if the Health Officer requires).
- Default: hire from Skagit’s certified system maintenance providers list (linked from the on-site sewage program page). They inspect and file OnlineRME.
- Only if pursuing DIY (gravity only): confirm you meet all policy gates — conventional gravity; as-built on file; drainfield ≥200 ft from marine waters and ≥100 ft from surface waters; a certified O&M inspection within the last three cycles; not a sale/transfer inspection; Septics 101 quiz done; Septics 201 completed.
- DIY reporting: use the county homeowner inspection form. Email septic@co.skagit.wa.us or mail to 1800 Continental Place, Mount Vernon, WA 98273 within 30 days. Include photos of open tank lids, the outlet baffle, and the distribution box if present.
- Selling? Skip DIY. Schedule a Skagit-certified O&M specialist so the report is within 6 months of closing. See the real estate transfer fact sheet.
- Failure / repair help: county points failing systems to designers/installers (permit required) and notes Craft3 Clean Water loans at craft3.org/CleanWater. Rebate program details live on the county on-site sewage page — re-check amounts before you apply.
Official contacts
- Environmental Health / OSS: septic@co.skagit.wa.us · (360) 416-1500
- Mail: Skagit County Public Health, 1800 Continental Place, Mount Vernon, WA 98273
- Program hub: skagitcounty.net — On-Site Sewage
Disclosures
Not affiliated with Skagit County Public Health, WA DOH, or OnlineRME. Not a DIY how-to for opening tanks. Hire licensed/certified providers when required. See about & disclosures.