Submit an observation form to report any violation of the state plastic bag ban you have observed. Plastic bags are a major contaminant in Washington’s recycling facilities, waterways, roadways, and ...

Carbon pollution from human activities is making ocean water corrosive. This harms marine life. Our new scientific tool helps ...

Forestry practices create sediment runoff and warmer water temperatures. We work with other agencies to enforce rules that prevent this type of runoff. We help ensure that the Forest Practices Rules ...

Agricultural runoff can pollute lakes, rivers, and marine beaches. It can also contaminate groundwater. Landowners can prevent runoff by using best practices that keep soil and other pollution out of ...

We're working to reduce polluted runoff from streets, forests, and farms. When it rains, water flows across the land, streets, and sidewalks. Pollutants are carried by this water into local streams, ...

This information was modified from Chapter 2 of At Home with Wetlands: A Landowner's Guide. Wetlands perform many ecological functions. Knowledge and understanding about the complexities wetland ...

When establishing cleanup levels for your contaminated site, use these guidance documents in combination with the CLARC data tables. CLARC — Cleanup Levels and Risk Calculation — is a compendium of ...

Some businesses are required to submit a pollution prevention (P2) plan to reduce hazardous substance use and dangerous waste. If you are required to submit a P2 Plan, we will contact you. All P2 ...

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Air quality burn bans protect people when the air is unhealthy. Fire safety burn bans ...

When you own a business, preparing for wet and cold weather is important to prevent damage and environmental hazards.