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Site Development

Through the Clearcreek Contractors division of Holt Services, you'll work with a team of dedicated foremen and laborers who are knowledgeable and experienced in the many aspects of site development and remediation.

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Providing Environmental Remediation and Cleanup to the Pacific Northwest.

Clearcreek Contractors, a division of Holt Services, Inc. boasts a team of qualified foreman and laborers who are knowledgeable and experienced in all aspects of site development and remediation work.

We pride ourselves on performing efficiently in the dynamic and unpredictable world of site remediation and underground utilities. We've provided remediation services on shorelines, city streets, remote islands and mountain tops. Trust us when we say we can handle your next job.

Environmental Remediation Services

​We offer a complete line of construction services for large and small environmental remediation projects.

  • Construct engineered shoring systems to facilitate property cleanup

  • Excavation, transport and disposal of Non-hazardous soil impacted by Petroleum Hydrocarbons, Heavy Metals, PCBs, SVOCs and VOCs

  • Excavation, transport and disposal of RCRA Hazardous soil impacted by Heavy Metals, SVOCs and VOCs

  • Excavation, transport and disposal of solid/liquid phase TSCA waste

  • Soil amendment application and mixing

  • Construct Air Sparge, Groundwater, Ozone, Sub-Slab Depressurization and Soil Vapor Extraction Systems

  • Groundwater extraction including storage, treatment and disposal

  • Limited Access cleanups such as former and existing dry cleaning facilities

Mechanical Remediation

  • Remediation systems installations

  • Conducting in-situ remediation injection operations

Consulting Services

Clearcreek Contractors is committed to establishing strong working relationships with environmental consultants and oversight agencies to ensure proper techniques are used during remediation efforts.


Our services include, but are not limited to:

  • Collaboration with design team on cleanup action approach, risk analyses and project costs

  • Non-hazardous and hazardous waste profiling

  • Permitting assistance

Utility Work

  • Removals

  • Replacements

  • Repairs

  • Wet and dry utility installations

Other Specialized Services

  • AST/UST Decommissioning

  • AST Installations

  • Demolition

  • Washington State Pollution Liability Insurance Provider

  • Ecological Restoration including Ponds, Shorelines, Streams and Wetlands

  • Storm and Sewer re-routing and re-installation

  • Asphalt paving repairs

Our Projects

See Our Rigs In Action.

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