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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 ...

Ocean acidification is a global problem with local impacts. The impact of greenhouse gases on rising temperatures, coupled with excess nutrients from nitrogen and carbon, can hinder healthy aquatic ...

You can use an address to look up your watershed, also known as a Water Resource Inventory Area (WRIA). We typically study and regulate water resources by WRIAs. There are 62 WRIAs in Washington.

Washingtonians will begin to see fewer plastic bags littering the state’s roadsides, parks, and streams beginning Oct. 1 when the statewide plastic bag ban goes into effect. The bag ban prohibits the ...

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 ...

Diesel exhaust is the most harmful air pollutant in Washington. It contributes more than 70 percent of the total cancer risk from toxic air pollution. Diesel exhaust causes or contributes to asthma, ...

The facility began operating in 1994. A natural gas pipeline supplies the plant with fuel used to make electricity. It also uses Number 2 fuel oil ias a backup fuel for one turbine.

Phases out the use of copper in vehicle brakes and requires manufacturers to certify that brakes comply with the law. Regulates lead, cadmium, phthalates, and other chemicals in children's products.

Planning to visit one of our offices? If you would like to meet with a staff member in person, please call ahead to confirm that they will be available. Our office hours are Monday to Friday, 8 a.m. – ...

This index identifies the sections of the SEPA rules and statute that provide information about a specific topic. Selecting a letter in the alphabetical list below will take you to that part of the ...