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...
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
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.
Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2021
List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2021
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.
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 - 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 Algae Control Grant Program - SFY 2021 Final Offer List
For the Fresh Water Algae Control grants funding program, this is the State Fiscal Year 2021 Final Offer List showing which projects will be offered funding and how much is being offered to them.
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.
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.
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.
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.
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.
State rules that direct the Department of Ecology
State rules that direct the Department of Ecology
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