Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
Public review draft - Policy 1-11 Chapter 1 Harmful Algae Blooms Methodology
Draft shows proposed revisions. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.
https://ecology.wa.gov/2022-policy-1-11-chapter-1-hab-methodology-draft-r
Public review draft - Policy 1-11 Chapter 1 non-substantial updates
Draft shows revisions with track changes. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.
https://ecology.wa.gov/2022-policy-1-11-chapter-1-non-substantial-updates
Uplet Outlet Ecology Approval Letter
This document explains 2gH Solutions Uplet Outlet is not approved by Ecology, however it is allowed to be installed with stipulations.
https://ecology.wa.gov/2gh-uplet-outlet-approval-letter
Summary of changes
Summary of changes being made to the 2019 general permit
https://ecology.wa.gov/ffp-permit-modification-summary-of-changes
Fact Sheet Addendum
Fact sheet addendum to the 2019 modified general permit
https://ecology.wa.gov/ffpmodifiedfsaddendum-draft
Modified Permit draft
2019 modified general permit - draft version open for comment
https://ecology.wa.gov/ffpmodifiedpermit
APAM Shoreline template.
Template used to show when herbicides will be applied.
https://ecology.wa.gov/2apamshoreline
Stormwater Control Transfer Program second draft comments
Ecology is issuing this second draft guidance in concert with a companion draft guidance, Building Cities in the Rain, being issued by the Department of Commerce
https://ecology.wa.gov/2nd-draft-comments
2018WAG993013AnnualRpt
2018 Z. Japonica R&J Seafood Annual Report
https://ecology.wa.gov/2018wag993013annualrpt
2018WAG993010AnnualRpt
2018 Z. Japonica Heckes Clam Annual Report
https://ecology.wa.gov/2018wag993010annualrpt
2018WAG993003AnnualRpt
2018 Z. Japonica Long Island Oyster Annual Report
https://ecology.wa.gov/2018wag993003annualrpt
2018WAG993004AnnualRpt
2018 Z. Japonica Station House Annual Report
https://ecology.wa.gov/2018wag993004annualrpt
2018WAG993005AnnualRpt
2018 Z. Japonica Taylor Shellfish Annual Report
https://ecology.wa.gov/2018wag993005annualrpt
2019 Pretreatment Plan
Document describing the plans of the Permittee for treating Z. japonica on their commercial clam beds this year.
https://ecology.wa.gov/2019longislandpretreatplan
2018WAG993012AnnualRpt
2018 Z. Japonica Nisbet Annual Report
https://ecology.wa.gov/2018wag993012annualrpt
2018WAG993009AnnualRpt
2018 Z. Japonica Herrold Fish and Oyster Annual Report
https://ecology.wa.gov/2018wag993009annualrpt
2018WAG993007AnnualRpt
2018 Z. Japonica Northern Oyster Annual Report
https://ecology.wa.gov/2018wag993007annualrpt-1
2018WAG993008AnnualRpt
2018 Z. Japonica Willapa Bay Shellfish Annual Report
https://ecology.wa.gov/2018wag993008annualrpt
2018WAG993006AnnualRpt
2018 Z. Japonica Wiegardt and Sons Annual Report
https://ecology.wa.gov/2018wag993006annualrpt
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