OT ConstructionConcrete & outdoor living

French Drains & Drainage Systems in Lakewood, WA

Standing water is less common in Lakewood than on glacial till, so a drainage job here starts by asking why this yard is wet. The cause is usually concentrated runoff, a low pocket, or a lake or creek edge.

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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 Lakewood: what to know

In outwash, most of the rain a yard receives soaks straight through. When water stands, something is concentrating it: a downspout emptying onto one spot, a driveway sloped to a lawn corner, a low pocket, or compacted fill that does not pass water. A drain moves the water, but first find which of those feeds the spot.

The outlet is where Lakewood differs most. Free-draining soil lets a trench of clean rock disperse water on site, and the city publishes a standard infiltration trench detail. The aquifer is the catch. Land inside the Clover/Chambers Creek basin is a critical aquifer recharge area, and the code bans underground injection wells with narrow exceptions, so how a dry well is treated is a question for the city.

Permits and rules in Lakewood

Lakewood’s code asks that drainage keep natural flow patterns and cause no significant harm to down-gradient properties, and it favors infiltration on site where feasible. Site development permits exempt soil disturbance under 50 cubic yards, but not within 25 feet of a drainage course, pothole, or floodplain, or in a critical area. Connecting to the street drain or working in the right-of-way needs city approval. Before we quote, we confirm the legal outlet.

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

How we approach it

  • Find what concentrates the water: downspouts, driveway runoff, fill, or a low pocket
  • Tightline roof water to a spot that can infiltrate it
  • Size the infiltration trench or drain run to the soil and the outlet
  • Keep drains clear of septic fields and flood or shoreline areas without city review

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

Questions from Lakewood homeowners

Can I drain my Lakewood yard into a dry well?

Sometimes, but the city’s code prohibits underground injection wells in critical aquifer recharge areas, with narrow exceptions, so we check how it treats a dry well on your parcel. A shallow infiltration trench is the other route.

Why is my yard wet when Lakewood soil is supposed to drain?

Gravel passes water, but something is overloading or blocking it: a downspout dumping in one spot, compacted fill from past grading, a low pocket, or groundwater near a lake or creek. We trace which one before choosing a French drain or a catch basin.

I live near Clover Creek in Lakewood. Will a French drain help in a flood?

No. A French drain handles groundwater and runoff on your lot, not creek overflow. The city says a 100-year flood on Clover Creek could reach properties in Springbrook and Hillside. Fill faces limits near the floodplain, so we check the flood map first.

Other work in Lakewood

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