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.
Environmental Covenant for MSW and Limited Purpose Landfills
This is Ecology's official form for covenants with Washington's landfills.
https://ecology.wa.gov/environmental-covenant-for-msw-and-limited-purpose
Air Operating Permit Report for Fiscal Years 2026 and 2027, June 2024
This is the workload analysis and budget report for the Air Operating Permit Program for Fiscal Years 2026 and 2027, June 2024 version.
https://ecology.wa.gov/202406aopreportfy26
Air Operating Permit Report for Fiscal Years 2024 and 2025, October 2023
This is the workload analysis and budget report for the Air Operating Permit Program for Fiscal Years 2024 and 2025, October 2023 version.
https://ecology.wa.gov/202310aopreportfy24
Vantage Data Centers approval order (notice of construction permit)
This is the October 5, 2022 air quality approval order (notice of construction permit) for Vantage Data Centers.
https://ecology.wa.gov/20221005vantagedatacenters22aqe009
Vantage Data Center approval order 19AQ-E026
This is the approval order, technical support document, and response to comments for Vantage Data Center in 2019.
https://ecology.wa.gov/20190710vantagedatacenter19aqe026
Vantage Data Centers agreed order 18AQ-E043 and tech support doc.
This is the September 2018 agreed order and technical support for Vantage Data Centers in Quincy.
https://ecology.wa.gov/20180910vantagedatacenter18aq-e043
Vantage Data Center, Quincy Agreed Order with TSD & R2C
This is the Agreed Order 16AQ-E026 for Vantage Data Center with the Technical Support Doc and the Response to Comments attached.
https://ecology.wa.gov/201712vantagequincyao16aq-e026-tsd-r2c
Vantage Data Center - Health Impact Assessment Recommendation
Health Impact Assessment (Second Tier Review) Recommendation for Vantage Data Center, 5/11/17
https://ecology.wa.gov/vantage-hiarec-051117ada
Vantage Data Center - Health Impact Assessment letter
Health Impact Assessment (Second Tier Review) Letter for Vantage Data Center, 5/11/17
https://ecology.wa.gov/vantage-tier2ltr-final-051117ada
Vantage Data Center - Revised Health Impact Assessment response
Revised Health Impact Assessment (Second Tier Review) response for Vantage Data Center, 11/16/16
https://ecology.wa.gov/vantage-revfinal-2ndtier-ra-111616ada
Vantage Data Center - Notice of Construction application
Notice of Construction application for Vantage Data Center, 8/10/16
https://ecology.wa.gov/vantage-noc-app-supprpt-081016ada
Vantage Data Center - Health Impact Assessment Protocol
Methods and procedures to follow for a Health Impact Assessment (Second Tier Review) for Vantage Data Center, 3/7/16
https://ecology.wa.gov/vantage-hia-protocol-030716ada
Vantage Data Center - Air Dispersion Modeling Protocol
Protocol and methods for air dispersion modeling for a Notice of Construction application for Vantage Data Center, 2/25/16
https://ecology.wa.gov/vantage-modeling-protocol-022516ada
Vantage Data Center - Notice of Construction permit and technical support document
Notice of Construction permit and Technical Support Document for Vantage Data Center, 3/18/13
https://ecology.wa.gov/vantagefinalpermit
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