Through Jan. 20, we invite your input on a legal order to address groundwater contamination from the Pasco Landfill that ...

In January, Ecology will begin accepting applications for grants for projects that increase public understanding and ...

In June, Kaiser Aluminum started up a full-scale pump-and-treat system that treats 200 gallons of groundwater per minute and ...

Businesses that generate any amount of dangerous waste are responsible for this waste from cradle to grave. In Washington, the Dangerous Waste Regulations (Chapter 173-303), which are based on the ...

We're proposing the changes to the 2025 draft Zostera japonica permit that is used to control this noxious weed on clam beds ...

Our interactive data dashboard helps organize information about residential wastewater and stormwater costs to prioritize ...

Washington's ocean and shorelines are integral to the regions character, quality of life, and economic viability. We work in partnership to protect and restore important habitats and ocean resources, ...

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 ...

General water quality permits regulate specific discharge categories with similar characteristics that release treated stormwater or wastewater to either surface or groundwater. A general permit ...

We've issued the final water quality permit for Everett's Water Pollution Control Facility, which will go in effect on Jan. 1, 2025.

Excessive levels of nutrients from human sources, such as nitrogen and carbon, are negatively impacting water quality in Puget Sound. This can lead to low dissolved oxygen, which impacts the health of ...

We issue burn permits for agricultural, outdoor, and residential burning to protect healthy air in Washington. The type and location of burning you are planning will determine if you need a permit.