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.
Goldendale Environmental Impact Statement (EIS) summary
Ecology released the final Environmental Impact Statement (EIS) for the Goldendale Energy Storage Project. The EIS examines significant adverse environmental impacts if the project is built. The document also identifies if those impacts may be reduced or eliminated through mitigation measures.
https://ecology.wa.gov/goldendale-eis
Publication index: State Environmental Policy Act (SEPA) documents
List of links to all Ecology publications related to the State Environmental Policy Act (SEPA)
https://ecology.wa.gov/sepa-publications
State Environmental Policy Act (SEPA) Register
Searchable register of all SEPA and NEPA documents posted by Ecology since 2000.
https://ecology.wa.gov/sepa-register
Chehalis flood reduction project draft EIS presentation
Presentation of draft EIS for Chehalis Basin flood-reduction project
https://ecology.wa.gov/chehalis-draft-sepa-eis-presentation
200923 phonein NWIW hearing
Sept. 23 phone in NWIW hearing transcript
https://ecology.wa.gov/200923-phonein-nwiw-hearing
Governor's letter to the Chehalis Basin Board (non-dam alternative)
A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam
https://ecology.wa.gov/governor-s-non-dam-alternative-letter-chehalis-ba
Governor's letter to the Director (non-dam alternative)
A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam
https://ecology.wa.gov/governor-s-non-dam-alternative-letter-ecology-and
AssumptionLeadAgencyTemplate
Assumption of Lead Agency Template Letter
https://ecology.wa.gov/assumption-of-lead-agency-template
AssumptionLeadAgencyTemplatePDF
Assumption of Lead Agency Template PDF Version
https://ecology.wa.gov/assumption-of-lead-agency-template-pdf-version
Chehalis draft EIS - meeting handout for the proposed Chehalis River Basin Flood Damage Reduction Project
This handout provides an overview of the process and the ground rules for participating in the hearing.
https://ecology.wa.gov/chehalisdeis-handout-english
CRITFC Request for TDG STM
This is a letter from the Columbia River Inter-tribal Fish Commission requesting Ecology to modify its total dissolved gas standards on the lower Snake and Columbia rivers.
https://ecology.wa.gov/critfc-request-for-tdg-stm
Draft TDG short term modification administrative order
Draft version of the short term modification administrative order for total dissolved gas criteria
https://ecology.wa.gov/draft-tdg-short-term-modification-administrative-o
Overview SEPA Draft Environmental Impact Statement for the Proposed Chehalis River Basin Flood Damage Reduction Project
This focus sheet describes the environmental review process and the public comment period with an overview of the applicant's proposed project.
https://ecology.wa.gov/chehalisdeis-focussheet-english
Borrador de la Declaración del Impacto Ambiental para el proyecto propuesto de reducción de daños por inundaciones en la cuenca del Río Chehalis
Esta hoja de enfoque describe el proceso de revisión ambiental y el período de comentarios públicos con una visión general del proyecto propuesto por el solicitante.
https://ecology.wa.gov/chehalisdeis-focussheet-espanol
Chehalis draft EIS - meeting handout for the proposed Chehalis River Basin Flood Damage Reduction Project
Este folleto proporciona una visión general del proceso y las reglas básicas para participar en la audiencia.
https://ecology.wa.gov/chehalisdeis-handout-espanol
Chehalis draft EIS - Summary of the proposed Chehalis River Basin Flood Damage Reduction Project
Nineteen-page summary of the project proposal and the environmental review process.
https://ecology.wa.gov/chehalisdeis-summary
Chehalis draft EIS - vicinity map for the proposed Chehalis River Basin Flood Damage Reduction Project
Map showing the location where Flood District's proposed projects would occur.
https://ecology.wa.gov/chehaliseis-vicinitymap
NOA-ODNSTemplatePDF
NOA-ODNS Template PDF Version
https://ecology.wa.gov/noa-odns-template-pdf-version
NOA-DNSTemplateWord
Notice of Application and Optional DNS Process Template Word Version
https://ecology.wa.gov/noa-odns-template-word-version
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