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Environmental Compliance Guidance for Construction

Construction site slope stabilization
Stabilized Slopes above I-90

WSDOT develops tools to help our staff protect environmental resources during construction. These resources help us comply with regulatory requirements. Below are links to these resources:

Environmental Compliance Resources

Contract Enforcement

High-Visibility Construction Fencing

Construction Stormwater

Erosion Control

In-Water Work

Hazardous Materials

Cultural Resources

Wetlands and Mitigation

Fish and Wildlife