Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

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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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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

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.

See more about this collection...
Online tool: Beach Monitoring (login required)
(SAW account required)
https://ecology.wa.gov/beach-monitoring
Puget Sound Tide Model
A research tool programmed in Python by David Finlayson for predicting the tides of the Sound. The model was originally developed by Lavelle et al. (1988) at NOAA PMEL and subsequently updated by H. Mofjeld to include the full suite of standard tidal constituents.
https://ecology.wa.gov/puget-sound-tide-model-zip
Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
https://ecology.wa.gov/freshwater-aquatic-plants
Stormwater monitoring
Stormwater monitoring helps us know how well water quality permits are working.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring
Frequently flooded areas: Critical Areas Ordinance
Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-floodplains-critical-areas-ordinanc
Upland Finfish Hatching & Rearing General Permit
This water quality permit covers certain hatcheries that raise finfish species.
https://ecology.wa.gov/regulations-permits/permits-certifications/upland-finfish-permit
Stormwater Action Monitoring - Administering pooled resources
Credible and transparent administration of Stormwater Action Monitoring program.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/administration
SEPA Supplemental Orca Checklist Guidance
This guidance helps applicants complete the SEPA Supplemental Orca Checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-supplemental-orca-checklist-guidanc
Stormwater Action Monitoring - Effectiveness studies
Learning what works best to reduce urban runoff volumes and pollution in Western Washington.
https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies
200923 phonein NWIW hearing
Sept. 23 phone in NWIW hearing transcript
https://ecology.wa.gov/200923-phonein-nwiw-hearing
Addendum: Detailed information about Washington’s ocean resources and uses
Addendum to accompany Director Maia Bellon's statement against offshore oil drilling in Washington
https://ecology.wa.gov/addendum-detailed-information-about-washington-s
Interpretive Statement on Subdivision SEPA Exemptions
SEPA Interpretive Statement
https://ecology.wa.gov/index-sea-interpretive-statement
200922pm NWIW hearing
200922pm NWIW hearing transcript
https://ecology.wa.gov/200922pm-nwiw-hearing
NWIW-Kalama presentation, Sept. 17, 2020
PowerPoint presentation provided at the Sept. 17, 2020, public hearing for the NWIW-Kalama project.
https://ecology.wa.gov/200917-nwiw-hearing-presentation
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
Existing commercial net pens in Puget Sound
Map of existing commercial net pens in Puget Sound as of 2017
https://ecology.wa.gov/existing-pens-in-puget-sound-map
200922am NWIW hearing
Sept. 22 a.m. NWIW hearing transcript
https://ecology.wa.gov/200922am-nwiw-hearing
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
ThankYouLetter
Transcribed thank you letter from child that attended a class at Padilla Bay.
https://ecology.wa.gov/padillabaythankyouletter
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
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