The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

Clean air is vital for everyone. We manage smoke, vehicle pollution, industrial emissions, and other pollutants so communities have healthy air to breathe. We do this through permits, regulations, and ...

Invasive, non-native aquatic plants are a serious threat to the health of lakes, rivers, and streams in Washington. Excessive invasive plant growth impairs fish and wildlife habitat, and restricts ...

We aim to provide timely information about contaminated site cleanups and opportunities for you to participate in that process. On this page you can find our: Contaminated Site Register — Sign up to ...

Toxic algae blooms can make people, pets, and livestock sick. We offer a funding program to address problem blooms. The Freshwater Algae Program (FAP) has an annual funding cycle for projects to ...

No person may manufacture, knowingly sell, offer for sale, or distribute a cosmetic product that contains one or more of the following 25 intentionally added formaldehyde releasers. This includes ...

We estimate there are thousands of abandoned wells in Washington. If you find an abandoned well on your property, you are required to work with a licensed well driller to properly close it up, a ...

Models and spreadsheets assist with scientific research and engineering. The models and spreadsheets we develop are available for use by the scientific community and the public. Download here. A ...

The Emergency Planning and Community Right-to-Know Act (EPCRA) protects public health, safety, and the environment from chemical hazards. This is done by requiring federal and state governments, local ...

Puget Sound is critical to our environment, culture, and economy. About two-thirds of the state’s population lives in the Puget Sound region. Our nation’s second largest marine estuary faces a number ...

The State Environmental Policy Act (SEPA) process identifies and analyzes environmental impacts associated with governmental decisions. These decisions may be related to issuing permits for private ...

In Washington, businesses must designate their waste to see if it meets Washington state-only criteria. This is in addition to the first four steps of waste designation. Designating for Washington ...