The Oregon-Washington Water Year 2024 Recap and 2025 Outlook Meeting is scheduled for Oct. 29-30 from 9 a.m. to noon both ...

The Permit Writer’s Manual (Ecology Publication Number 92-109) is meant to guide permit writers and the public through our process of developing and issuing wastewater discharge permits. Permit Writer ...

Operators commonly meet their professional growth by earning 3.0 continuing education units (CEUs) each professional growth cycle. Operators earn these CEUs by attending approved training courses.

Waste management in Washington relies on a working partnership between state and local governments and private-sector businesses. County governments and local health departments develop solid waste ...

The State Solid and Hazardous Waste Plan provides direction for residents, businesses, and governments to more wisely manage waste and materials. Waste generation continues to increase, in aggregate ...

Households and businesses generate millions of gallons of leftover paint each year. It’s really messy and expensive to deal with. Garbage haulers don’t want it in their trucks. Drying it out is time ...

A beneficial use determination (BUD) is a statewide exemption from Washington’s solid waste permitting requirements. Rules addressing BUDs are found at WAC 173-350-200. Before a BUD can be issued, we ...

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Businesses can use these outreach materials to share information about Washington restrictions on single-use food serviceware items, such as utensils and straws.

Download fliers and graphics with outreach information on Washington's ban on expanded polystyrene (EPS).

We propose to approve Mission Construction dba Gorge Crete's air quality general order application for a portable concrete batch plant. We will hold a public comment period if one is requested. Gorge ...

Washington’s current low- and zero-emission vehicle standards don't include purchasing requirements. However, they will gradually shift the types of new vehicles available for sale in our state, which ...