Regulations & Permits

We oversee many state and federal laws designed to checklist iconprotect Washington's land, air, and water.

See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Regulations & Permits

We oversee many state and federal laws designed to checklist iconprotect Washington's land, air, and water.

See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

See more about this collection...
QA planning process for NEP grantees
Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.
Requirements for 401 Water Quality Certification Request
This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.
Section 401 Pre-Filing Meeting Request Form
The EPA Clean Water Act Section 401, effective Sept. 11, 2020, requires all project proponents submit a pre-filing meeting request to the certifying authority at least 30 days prior to submitting a Section 401 Water Quality Certification request.
Clean Water Act — Section 401 Water Quality Certifications
Under the Clean Water Act, we help ensure projects, actions, and activities don't harm state waters.
Water Quality Combined - Recipient Training - Contacts List
For funding recipients of our Water Quality Combined Funding Program, this is the list of contacts associated to the Recipient Training workshop.
Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
401 Water Quality Certifications for non-hydropower permits
We review projects needing federal approval to assure compliance with state water quality standards.
Water Quality Combined funding program - Recipient Training - Resources List
For funding recipients of our Water Quality Combined Funding Program, this is the resources list for the Recipient Training workshop.
Applicant Prep Tool for Water Quality Combined Funding Applications in EAGL
This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined funding program application in EAGL.
Water Quality Combined funding program State Fiscal Year 2022 Applicant Workshop Notice
This is the announcement and detailed information for the Water Quality Combined funding program's State Fiscal Year 2022 Applicant Workshop for anyone wanting to apply for loan or grant funding from the Water Quality Combined funding program in this next application cycle.
State rules that direct the Department of Ecology
State rules that direct the Department of Ecology
Environmental Information Management System (EIM) - search data
Access to discrete and time-series environmental data for air, water, soil, sediment, aquatic animals, and plants.
Water Quality Combined Funding Program - Recipient Training - Stormwater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop
Water Quality Combined Funding Program Recipient Training - Wastewater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop
January 15, 2013: Final fish consumption rates technical support document
Former Ecology Director Ted Sturdevant's 2013 transmittal letter announcing release of final fish consumption rates technical support document (version 2.0).
November 27, 2012: Fish Consumption Technical Review Meeting
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.
Received through January 18, 2012: Emailed form comments 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).
Centroid calculator
An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.
November 5, 2012: Fish Consumption Technical Review Meeting
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.
August 30, 2012: Fish consumption rates technical support document [draft Version 2]
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].
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