OT ConstructionConcrete & outdoor living

French Drains & Drainage Systems in Camano Island, WA

Camano Island yards on slopes often collect seepage that runs toward the house. A drain has to catch that flow before it reaches the lawn, so each plan begins with the point where water enters the lot and the point where it leaves.

Call 206-483-5334Get a quote
French drain cross-sectionA trench wrapped in filter fabric and filled with clean drain rock around a perforated pipe, collecting water from the surrounding soil. 12345
French drain section: fabric, clean rock, perforated pipe
  1. Filter fabric keeps silt out of the rock
  2. Clean drain rock gives water an easy path
  3. Perforated pipe carries the water away
  4. Soil cover over the trench
  5. Groundwater and runoff move toward the drain

Drainage & French drains in Camano Island: what to know

A curtain line set above the bank catches water before it reaches the slope face. Its trench falls steadily toward the discharge, and clean washed stone keeps the flow moving. A collector run at the low end takes what gets past the curtain. Roof water gets its own solid pipe, so silt from the roof does not clog the stone.

The discharge is ground deep enough to take the volume, a storm connection if one is available, or a flat area well back from the bank edge. The county’s stormwater manual, in the copy we read, asks for a permit when new impervious surface is created and names the Puget Sound Basin technical manual with no edition year, so the edition in force is confirmed before the line is sized. An outlet that reaches a county ditch or road edge is confirmed with Island County, since the access form addresses drainage into county drainways.

Permits and rules in Camano Island

Any line that leaves the parcel toward the road or the water is screened first, and we confirm which county review controls before the trench opens. Each review is listed with its status, and the scope stays open until every review has an answer on file. The route is drawn on the site plan with its elevation before any digging starts.

Rules change and vary by parcel, so we confirm the current requirements with the city before we start.

How we approach it

  • Trace the first point where runoff reaches the lot
  • Hold a constant grade from the trench to the outlet
  • Route roof water through its own solid pipe
  • Clear the county drainage and road-edge reviews first

For the full process, see our Drainage Systems & French Drains page.

Questions from Camano Island homeowners

Which outlets does Island County accept for a Camano Island drain?

The copy we read does not list accepted outlets. Its access form covers drainage into county drainways and requires that runoff there be free of sediment and debris, and every other outlet is confirmed in writing before the route is chosen.

When does a yard drain on Camano Island go to county review?

We check the trench depth, the outlet location, and any county road or shoreline land involved. Digging waits for the county’s written answer, and a copy goes to the owner.

Can a drain stop seepage from reaching a Camano Island lawn?

Sometimes. When water arrives from the upper lot and never leaves the grass, a line can catch it. We first trace its path, then pick an exit the survey supports, and no option without a surveyed exit goes on the quote.

Other work in Camano Island

The same service nearby

Talk to us about your project

Call or email us. We’ll talk through the work and set up a time to see the site.

Call 206-483-5334
Get a quote
Call 206-483-5334Get a quote