#1 Stormwater Management & Drainage in Lewis & Cowlitz County
Get water off your site and away from your buildings, and keep it there.
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In Southwest Washington, water is the biggest threat to buildings, driveways and slopes. Rockridge installs stormwater systems for commercial developments and drainage solutions for homes and acreage, built to project plans and applicable stormwater regulations.
We serve developers, builders and property owners in Toledo, Chehalis, Centralia, Winlock, Castle Rock, Kelso, Longview and the surrounding area.
What’s included
Storm pipe, catch basins, inlets and manholes
Detention and retention ponds and systems
Infiltration systems and drywells
French drains, curtain drains and footing drains
Ditches, swales and culverts
Erosion and sediment control
Our process
Site visit or plan review: we look at where water comes from and where it needs to go.
Estimate: a written price for the system, materials and restoration.
Layout: alignments and elevations confirmed so everything flows.
Installation: excavation, pipe, structures and backfill.
Inspection and restoration: we coordinate inspections and restore the site.
WHY Rockridge
Commercial stormwater work built to plan and regulatory requirements
Practical drainage fixes for wet yards, driveways and crawlspaces
Grading, utilities and drainage handled together
Licensed Washington contractor (WA LIC # ROCKRGE816DF)
Stormwater and drainage FAQ
My yard floods every winter. Can you fix it? Usually, yes. Regrading, French drains or curtain drains can move water away from problem areas. We start by finding where the water comes from.
What is a French drain? A French drain is a gravel-filled trench with a perforated pipe that collects groundwater and surface water and carries it away. Its like an underground rain gutter for your yard.
Does my commercial project need stormwater detention? Most new development that adds hard surfaces must manage stormwater under state and local rules. Your civil engineer designs the system; we build it to plan.
Do you install erosion control? Yes. We install silt fence, check dams, straw and other measures to keep sediment on site during construction according to plans and regulations
Water problems on your property or a stormwater plan to build?
Related Services Underground Utilities · Excavation & Grading · Roads & Driveways
