Private Utility Locating & GPR in Cowlitz County, WA (Near You)

Twin City Locating provides private utility locating and Ground Penetrating Radar (GPR) services throughout Cowlitz County, Washington. This page is part of our Southwest Washington service-area coverage, helping property owners locate private utilities before digging.

If you’re searching for private utility locating near me in Cowlitz County, this page provides county-specific service information.

Call or Text: (360) 720-3333
Email: TwinCityLocating@gmail.com
Service-area based in: Centralia, WA
 

Cowlitz County Private Utility Locating Services

We locate and mark private-side utilities including:

• Private water services and main lines
• Sewer laterals, cleanouts, and drain lines
• Septic tanks and drain fields
• Private electrical and communications lines
• Irrigation and propane lines
• Undocumented or abandoned utilities

Private utilities are common throughout Cowlitz County, especially on older properties and rural parcels, and are often not marked by 811.
 

Ground Penetrating Radar (GPR) in Cowlitz County

GPR is commonly used in Cowlitz County to locate utilities that cannot be detected using traditional locating methods.

Common GPR applications include:

• PVC and clay utility lines
• Septic system mapping
• Utilities without tracer wire
• Buried lines on residential, rural, and mixed-use properties

Soil composition and development patterns vary across the county, but GPR often provides valuable insight when standard locating is limited.
 

Cities and Communities Served in Cowlitz County

Twin City Locating serves all of Cowlitz County, including:

Longview
Kelso
Woodland
Castle Rock
Kalama

We also serve surrounding rural and outlying communities throughout the county.

For a complete list of counties we serve, visit our Service Areas page.
 

Related Service Areas

If your project is outside Cowlitz County, we also provide service in:

• Lewis County
• Thurston County
• Grays Harbor County
• Pacific County
• Mason County
 

Schedule Utility Locating in Cowlitz County

If you need private utility locating or GPR near you in Cowlitz County, contact Twin City Locating.

Call or Text: (360) 720-3333
Email: TwinCityLocating@gmail.com