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Washington State

Environmental Remediation Services in Washington State

Serving Seattle, Tacoma, Spokane, Bellevue, and all Washington State communities with proven in-situ remediation since 1998.

IET provides environmental services nationwide — not limited to Washington State

Washington State Project Experience

IET has successfully completed environmental remediation projects across Washington State. Our experience includes industrial facilities, commercial properties, former manufacturing sites, and waterfront locations throughout the state.

Tacoma, WA
Environmental Remediation Project

Environmental remediation project at a Tacoma, WA site using proven in-situ technologies.

Technology:
In Situ Remediation
Contaminants:
Chlorinated Solvents
View Case Study

Our Washington State Services

In-Situ Remediation
  • Chemical Oxidation (ISCO)
  • Enhanced Bioremediation
  • In-Situ Chemical Reduction (ISCR)
  • EZVI for DNAPL Source Zones
  • Petroleum & Chlorinated Solvent Treatment
  • Soil Mixing
Why Choose IET for Washington State Environmental Projects?

Washington State Regulatory Expertise

Deep understanding of Washington State environmental regulations, state-specific cleanup programs, and regulatory requirements.

Patented Technology

IET's proprietary Provect-ISCO™ and EZVI technologies deliver superior results in challenging geology.

Turnkey Project Delivery

Complete project management from site assessment through closure, minimizing your administrative burden.

Rapid Mobilization

Strategically positioned equipment and personnel for quick response throughout Washington State.

Washington State Service Areas

IET provides environmental remediation services throughout Washington State, including but not limited to:

Seattle
Tacoma
Spokane
Bellevue
Olympia
Everett
Bellingham
Vancouver
Redmond
Kent
Yakima
Renton

Not seeing your Washington State location? We serve communities statewide. Contact us to discuss your project.

Ready to Start Your Washington State Environmental Project?

Contact IET today for a free consultation and discover how our proven technologies and experienced team can solve your environmental challenges.

Environmental Remediation in Washington State — Frequently Asked Questions

Answers to common questions about IET's in-situ remediation services across Washington State.

What environmental remediation services does IET provide in Washington State?
IET delivers in-situ chemical oxidation (ISCO), enhanced bioremediation, in-situ chemical reduction (ISCR) across Washington State — serving Seattle, Tacoma, Spokane, Bellevue, and communities statewide.
What contaminants does IET treat at Washington State sites?
IET treats petroleum hydrocarbons, chlorinated solvents, heavy metals, BTEX, MTBE, and PAHs using activated persulfate, ISCR, and bioremediation tailored to Washington glacial and volcanic geology.
How do I request a Washington State remediation quote?
Call IET at 888-721-8283 or use the Request a Quote button — IET will review your Washington State site data and recommend the optimal remediation approach.

Geological Considerations in Washington State

Washington State's diverse geology ranges from glacial deposits in the Puget Sound lowland to volcanic basalts in the Cascades and loess-covered scablands in the east. The Seattle and Tacoma areas sit on glacial till and outwash deposits with complex layering that influences groundwater flow. The Spokane area features fractured basalt aquifers requiring specialized drilling and injection approaches.

Common Contaminants Treated in Washington State

Petroleum HydrocarbonsChlorinated SolventsHeavy MetalsBTEXMTBEPAHs

Regulatory Compliance in Washington State

IET coordinates with the Washington State Department of Ecology under the Model Toxics Control Act (MTCA) cleanup program. Our projects comply with Ecology's requirements for site assessment, remedial investigation, and cleanup at industrial, brownfield, and waterfront sites throughout the state.

Remediation Technologies Deployed in Washington State

✓In Situ Chemical Oxidation (ISCO)
✓Enhanced Bioremediation
✓In Situ Chemical Reduction (ISCR)

Cities & Regions Served in Washington State

SeattleTacomaSpokaneBellevueOlympiaEverettBellinghamVancouverRedmondKent