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.

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Yahoo Data Center - Health Impact Assessment

Health Impact Assessment (Second Tier Review) for Yahoo Data Center, 2/17/16

https://ecology.wa.gov/yahoogenesishis02172016

Yahoo Data Center - Draft Notice of Construction permit

Draft Notice of Construction permit for Yahoo Data Center, 2/5/16

https://ecology.wa.gov/yahoopd02052016

Yahoo Data Center - Draft Technical Support Document for Notice of Construction permit

Draft Technical Support Document for Notice of Construction permit for Yahoo Data Center, 2/5/16

https://ecology.wa.gov/yahoodrafttsd02052016

2015 Annual Report

2015 Coast Seafood Z. japonica Annual Report

https://ecology.wa.gov/2015wag993011annualrpt

2015 Pretreatment Plan

2015 Coast Seafood Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993011pretrtplan

2015 Annual Report

2015 Willapa Bay Shellfish Z. japonica Annual Report

https://ecology.wa.gov/2015wag993008annualrpt

2015 Pretreatment Plan

2015 Willapa Bay Shellfish Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993008pretrtplan

2015 Annual Report

2015 Taylor Shellfish Z. japonica Annual Report

https://ecology.wa.gov/2015wag993005annualrpt

2015 Annual Report

2015 Wiegardt and Sons Z. japonica Annual Report

https://ecology.wa.gov/2015wag993006annualrpt

2015 Pretreatment Plan

2015 Wiegardt and Sons Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993006pretrtplan

2015 Pretreatment Plan

2015 Taylor Shellfish Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993005pretrtplan

2015 Annual Report

2015 Northern Oyster Company Z. japonica Annual Report

https://ecology.wa.gov/2015wag993007annualrpt

2015 Annual Report

2015 Herrold Fish Oyster Z. japonica Annual Report

https://ecology.wa.gov/2015wag993009annualrpt

2015 Annual Report

2015 Heckes Clam Inc Z. japonica Annual Report

https://ecology.wa.gov/2015wag993010annualrpt

2015 Pretreatment Plan

2015 Heckes Clam Inc Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993010pretrtplan

2015 Pretreatment Plan

2015 Herrold Fish Oyster Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993009pretrtplan

2015 Pretreatment Plan

2015 Northern Oyster Company Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993007pretrtplan

2015 Pretreatment Plan

2015 Station House Oysters Z. japonica Pretreatment Plan

https://ecology.wa.gov/2015wag993004pretrtplan