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.
RCW Chapter 43.21B
Environmental hearings office, Pollution control hearings board
https://ecology.wa.gov/rcw-chapter-43-21b
Publication index: Wetlands information
List of links to publications related to wetlands.
https://ecology.wa.gov/wetlands-publications
Online tools & databases
This is the gateway to Ecology's many web-accessible databases and tools.
https://ecology.wa.gov/online-tools-databases
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
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
Publication index: Salish Sea Model
List of links to documents and posters about the Salish Sea Model
https://ecology.wa.gov/salish-sea-model
Publication index: Budd Inlet
List of links to documents and posters related to water quality in Budd Inlet
https://ecology.wa.gov/budd-inlet
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
Online tool: Shoreline Aerial Photos (map)
A collection of over 70,000 oblique aerial photos of Washington's shorelines. The first set is from the 1970's and focused on Washington's 2,500 miles of marine shoreline; the most recent travels inland, covering the lakes and rivers of Eastern Washington.
https://ecology.wa.gov/shoreline-aerial-photos
Forms: Joint Aquatic Resource Permit Application (JARPA)
The Joint Aquatic Resources Permit Application (JARPA) is a single permit application that streamlines the environmental permitting process of multiple regulatory agencies, including aquaculture, wetlands and 401 water quality certification.
https://ecology.wa.gov/joint-aquatic-resource-permit-application-jarpa
Online tool: Washington State Coastal Atlas - Find a lake, public beach, and beach closures
Information about Washington's marine shorelines and the land areas near Puget Sound, the outer coast, and the estuarine portion of the Columbia River, including public access, beach closures and flood hazard maps.
https://ecology.wa.gov/washington-state-coastal-atlas-shorelines-beach
Online tool: Washington State Coastal Atlas - Find a public beach
Maps and information about public beaches in Washington state
https://ecology.wa.gov/washington-state-coastal-atlas-shorelines-bea-1
Online tool: Washington State Coastal Atlas - Find swimming beach closures
Maps and information about beach closures in and around Puget Sound and Washington's ocean beaches.
https://ecology.wa.gov/washington-state-coastal-atlas-shorelines-bea-3
Online tool: Washington State Coastal Atlas - Lakes and reservoirs environmental data
Maps and environmental data about Washington's lakes and reservoirs.
https://ecology.wa.gov/washington-state-coastal-atlas-shorelines-bea-2
Online tool: Beach Monitoring (login required)
(SAW account required)
https://ecology.wa.gov/beach-monitoring
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