EIM Data Analysis Tool (EDAT) is an analysis tool for Model Toxics Control Act (MTCA) practitioners and other contamination cleanup professionals. It compares Washington State environmental monitoring ...

CLARC February 2025 updates are now online. We made updates to incorporate newly published IRIS toxicity values for arsenic and PFHxS and associated noncancer effects information. We also updated ...

The easiest way to avoid food waste is to not overbuy. Proper storage of what you do purchase is another way to prevent food waste. Home composting is an excellent option for what can't be used or ...

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 ...

Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Fire safety burn bans protect people and property when wildfire danger is high. Air ...

SEPA guidance for determining lead agency and evaluating the proposal. Under the State Environmental Policy Act (SEPA), most new proposals are reviewed by a designated “lead agency.” While this is ...

The Washington state well report (log) viewer, our most popular online resource, allows you to search for and view detailed records of the construction and subsurface characteristics of individual ...

International markets can and do impact Washington's recycling system dramatically. Our Recycling Development Center (RDC) works to improve Washington's recycling commodities market, as needs for ...

Established in 2011, the 396-acre Skagit Bank is located in Skagit County. The bank is approved for mitigation use. Engineered log jam 1 at Skagit Environmental Bank taken July 2017. Initial Credit ...

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...

This is a sulfite pulp mill. With around 200 employees, the mill makes about 550 tons of dissolving pulp (acetate, viscose, and ether grades) each day. It treats its wastewater, and sends it to Grays ...

What are permittee’s options for staying in compliance with the impacts COVID-19 may have on municipal stormwater operations? We appreciate permittees’ desire to remain in compliance with permit ...