Collectively, the GIS Technical Services Group provides a diverse and balanced set of skills with a strong background in environmental and natural resource management. We provide a hands-on ...

We monitor air quality, especially for criteria air pollutants in areas at risk of nonattainment. Nonattainment is a technical term that means an area has too much of a specific air pollutant and does ...

In Washington, we have a powerful law that helps state and local agencies identify potential environmental impacts that might result from proposed projects and decisions. This law is called the State ...

Licensed well operators and trainees can enter data for resource protection well reports directly on our website, using the well report gateway. The information will be in our well report database ...

Our long-term river and stream monitoring team collects long-term data to track trends in stream health and contribute to watershed studies and water quality improvement plans. Our water quality ...

Our mission is to keep Washington waters clean. Use this site to find out if a lake, stream, or marine beach near you is healthy or polluted. Learn about water cleanup plans and how we’re addressing ...

We also provide educational resources to property owners who want to drill a new well, maintain a well, or close down (decommission) an unused well. Well drillers and property owners have the ...

We are committed to providing equal opportunities, resources, and access to all Washingtonians, regardless of abilities or circumstances.

If your business emits air pollution, you will most likely be regulated by us or your local clean air agency and have to report your emissions. We track air pollutants, toxics, and greenhouse gas ...

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 ...

SEPA guidance on conducting programmatic or "nonproject" proposals. Unless they are specifically exempted, proposals such as plans, ordinances, programs, and administrative rule actions must be ...

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 ...