Research & Data
Use this portal to filter and search for all of our scientific information.
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
EPA approval letter
Approval of Washington’s 2014-2018 Section 303(d) List
https://ecology.wa.gov/20220826-final-wa-2014-2018-303dlist-transmittal
2012 Stormwater Management Manual for Western Washington revision response to comments
Response to Comments on the Draft 2012 SWMMWW
https://ecology.wa.gov/2012response
2012 to 2014 Stormwater Management Manual for Western Washington Redlines
2012 to 2014 SWMMWW track changes with redlines
https://ecology.wa.gov/2012to2014swmmwwredlines
2014 Stormwater Management Manual for Western Washington Response To Comments
Response to Comments on the Draft 2014 SWMMWW
https://ecology.wa.gov/2014responsetocomments
Aquatic Pesticide product to active ingredient conversion table
Conversion table from Aquatic Pesticide product to active ingredient.
https://ecology.wa.gov/2014conversiontable
2014 Response to Comments on the modification
Western Washington Phase II Municipal Stormwater Permit 2014 Response to Comments on the modification
https://ecology.wa.gov/2014responsetocomments-ea9b31d6146a8b3d83d6bf7ac8f4863f
2014 Annual Report
2014 Willapa Bay Shellfish Z. japonica Annual Report
https://ecology.wa.gov/2014wag993008annualrpt
2014 Pretreatment Plan
2014 Willapa Bay Shellfish Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993008pretrtplan
2014 Annual Report
2014 Taylor Shellfish Z. japonica Annual Report
https://ecology.wa.gov/2014wag993005annualrpt
2014 Annual Report
2014 Wiegardt and Sons Z. japonica Annual Report
https://ecology.wa.gov/2014wag993006annualrpt
2014 Pretreatment Plan
2014 Wiegardt and Sons Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993006pretrtplan
2014 Pretreatment Plan
2014 Taylor Shellfish Z. japonica Pretreatment plan
https://ecology.wa.gov/2014wag993005pretrtplan
2014 Annual Report
2014 Station House Oysters Z. japonica Annual Report
https://ecology.wa.gov/2014wag993004annualrpt
2014 Annual Report
2014 Long Island Oyster Z. japonica Annual Report
https://ecology.wa.gov/2014wag993003annualrpt
2014 Annual Report
2014 Northern Oyster Company Z. japonica Annual Report
https://ecology.wa.gov/2014wag993007annualrpt
2014 Annual Report
2014 Herrold Fish Oyster Z. japonica Annual Report
https://ecology.wa.gov/2014wag993009annualrpt
2014 Pretreatment Plan
2014 Herrold Fish Oyster Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993009pretrtplan
2014 Pretreatment Plan
2014 Northern Oyster Company Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993007pretrtplan
2014 Pretreatment Plan
2014 Long Island Oyster Z. japonica Pretreatment Plan
https://ecology.wa.gov/2014wag993003pretrtplan
2014 Pretreatment Plan
2014 Station House Oysters Z. japonica Pretreatment plan
https://ecology.wa.gov/2014wag993004pretrtplan
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