Regulations & Permits

Access to discrete and time-series environmental data for air, water, soil, sediment, aquatic animals, and plants.

Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.

Former Ecology Director Ted Sturdevant's 2013 transmittal letter announcing release of final fish consumption rates technical support document (version 2.0).

Meeting summary from Nov. 5, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.

Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].

Meeting summary from Nov. 27, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.

Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

Comments received through October 26, 2012, on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0).

An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.

We offer scientific services to support environmental work and inquiry for projects funded through public dollars. We provide accurate, credible, and defensible analyses using the latest accredited methods.

Ecology has delegated federal and state authority to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process.

This is the gateway to Ecology's many web-accessible databases and tools.

Look up information on facilities and sites of interest to the Department of Ecology.

Environmental hearings office, Pollution control hearings board

State Environmental Policy Act (SEPA)

Look-up contact information for Ecology staff, by subject topic. Includes e-mail, phone, fax and location.

Look up industrial section permits with hyperlinks to all documents currently available electronically. You can view active or proposed permits and associated documents:

(SAW account required)

Look-up contact information for Ecology staff, by last name. Includes e-mail, phone, fax and location.