Hazardous materials & solid waste

Use this information to investigate, sample, and comply with local and federal laws to safely manage and dispose of hazardous materials like lead, creosote, asbestos, chemically contaminated sediment, releases from underground storage tanks, or other solid waste.

Conduct Hazardous Materials (HazMat) investigations and sampling to identify potential contamination in work areas and document risks.

Use Ecology's Facility/Site Atlas to identify Ecology regulated facilities (Federal Superfund/NPL sites, SHWS/CSCS, LUST and USTs) and solid waste facilities (landfills and transfer stations) in or adjacent to the project area.

1,557 work zone-related crashes

were recorded on state highways in 2025.

542 people were injured

in 2025 due to work zone-related crashes. 

29% increase in fatality collisions

in work zones from 2024 to 2025.