We propose updates to the human health criteria in Table 240 of WAC 173-201A-240, Toxic substances, to: Replace 143 state-adopted human health criteria for 73 pollutants that the Environmental ...

Fire danger is high in many areas because of hot, dry weather. Most of the state is still in a drought. Burn bans are in place across Washington. Check with your local fire district before lighting ...

The State Solid and Hazardous Waste Plan guides the management of waste and materials in Washington. Similar to how local governments are required to update their solid waste plans every five years, ...

Choose one of the above record types – After you make a selection, you'll be prompted to provide additional information. Note: "Due Diligence" refers to performing a site assessment to identify ...

We offer some flexible options to submit data, apply for permits, or file reports. For instance, contractors can apply online for a construction stormwater permit, or a plant operator can file ...

We are investing federal settlement and state penalty funds from Volkswagen to fund clean transportation grants. These grants accelerate access to zero-emission transportation options and spread ...

The long-term sustainability of the solid waste funding system has been a concern of local governments in particular for more than two decades. We have released several reports over this time, ...

Contaminated site cleanups, and Underground storage tanks and their operation, for tanks containing petroleum or other hazardous substances. Our authority begins when the Legislature passes a bill or ...

Under RCW 42.56.120(2), we are allowed to recover costs directly related to the copying of public records. We cannot charge a fee for inspection of records, or staff time spent on locating records or ...

Ecology, the Confederated Tribes of the Umatilla Indian Reservation, the Walla Walla Watershed Management Partnership, and other partners in the Walla Walla Water 2050 Strategic Plan Advisory ...

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 ...

We're committed to providing environmental justice to our most vulnerable communities. It is a priority in our efforts to restore and protect land, air, and water. Below are examples of our work to ...