Rulemaking is when we propose and adopt rules to protect the environment and public health. The Washington State Legislature guides all state rulemaking through a law known as the Administrative ...

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 ...

Our economic analyses support proposed rules and permits, as well as a number of other projects and publications. We use real-world data, often collected directly from stakeholders, to comprehensively ...

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 ...

We continue to sample and identify properties (yards) that qualify for state-funded soil replacement though the Yard Program. Since 2013, we have found 1,201 yards eligible for soil replacement within ...

In partnership with local clean air agencies, we regulate businesses that emit air pollution. We issue air permits for industrial emissions and for many types of burning. We also require businesses to ...

NORPAC makes newsprint, printing, and specialty papers out of thermomechanical pulp, deinked pulp from recycled newsprint, and bleached kraft pulp from the Nippon Dynawave pulp and paper mill. It ...

Businesses in Washington can take advantage of our services to help them apply pollution prevention (P2) best practices, such as the following: Reduce waste and pollution. Reduce costs and save money ...

Icicle Creek, a tributary to the Wenatchee River near Leavenworth in Chelan County, is a source of water for a variety of demands that sometimes go unmet. Streamflows support domestic water supply, ...

As a subset of commercial enterprises, mobile businesses have unique challenges related to stormwater and pollution prevention that will be better understood by a focused study. In this project, King ...

This facility is an enclosed, unsold food waste processing and recovery facility in Longview, Washington. This facility will create 30 to 40 jobs for the Longview area. The facility will use anaerobic ...

Ecology is beginning a rulemaking to amend chapter 173-166 WAC Emergency Drought Relief. Through rulemaking, Ecology plans to integrate information related to how Ecology manages its emergency drought ...