Excavation Contractors in Hockinson, WA

Excavation contractors in Hockinson work on rural acreage about 14 miles northeast of downtown Vancouver, near the center of the county. The community covers 14 square miles at about 387 feet and grew from 4,771 residents in 2010 to 6,105 in 2020, up 28 percent.

Clay hills

Higher terraces in this part of the county carry older, clay-rich soils. The USDA Hesson series, with its type location in Clark County, sits on high terraces from 300 to 1,000 feet, with 35 to 50 percent clay and moderately slow permeability, and is used mainly for homesites. Those soils hold water in winter, so drainage and septic design need care.

Long history

Elim Lutheran Church began in 1893 on land donated by Ambrosious Hokanson, whose log home hosted the congregation's first gatherings in 1884.

Common Hockinson jobs

• Septic test pits and systems
• Clearing and stump removal
• Private roads and long drives
• Curtain drains and ditches
• Shop and barn pads

Rural services

Wells and septic serve most homes. Setbacks between them guide where pads, drives and drains go.

Wet season

Clay roads and pads turn to mud quickly. Rock, fabric and good crowns keep access usable through winter.

Gee soils too

The USDA Gee series, with its type location in a Clark County clay pit, also sits on dissected high terraces. Its lower subsoil has very slow permeability, so water perches above it in winter. Curtain drains and good surface grading carry that water away from houses and septic fields.

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