Research & Data
Use this portal to filter and search for all of our scientific information.
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
Online tool: Certified Erosion & Sediment Control Lead (CESCL)
Look up information about individuals who have completed CESCL training, including expiration dates.
https://ecology.wa.gov/certified-erosion-sediment-control-lead-cescl
Online tool: Freshwater Information Network
We monitor water quality at nearly 100 river and stream stations throughout the state to understand the health of waterways.
https://ecology.wa.gov/water-quality-monitoring-statewide-network
Online tool: Water quality permit database (PARIS) – Enforcements
Search water quality permits for enforcement actions.
https://ecology.wa.gov/paris-enforcements
Online tool: Water Quality Assessment (303(d)/305(b) list)
Look up water quality assessments by listing details, status, location, TMDL project or EIM identifier.
https://ecology.wa.gov/water-quality-assessment-303-d-305-b-list
River & stream thermal infrared image viewer
We conducted temperature surveys of 39 rivers in 2003 - 2004 from small planes equipped with cameras and infrared sensors. The resulting images show warm and cold spots in the river systems. Choose a river by basin in the drop-down menu on the left to scroll through the images in the map on the right.
https://ecology.wa.gov/river-stream-thermal-infrared-image-viewer
Online tool: Water Quality Permitting and Reporting Information System (PARIS)
This is a database that houses water quality permits, inspections, enforcements, discharge monitoring data, violations and permit triggers, and other permit documents.
https://ecology.wa.gov/water-quality-permit-database-paris
Online tool: Water Quality Permitting Portal (WQWebPortal) - login required
(SAW account required)
https://ecology.wa.gov/water-quality-permitting-portal-wqwebportal
Publication index: Deschutes River
List of links to documents about water quality in the Deschutes River and Budd Inlet
https://ecology.wa.gov/deschutes-river
Publication index: Lakes information
List of links to documents related to water quality in lakes
https://ecology.wa.gov/lakes
Publication index: Lower Duwamish River
List of links to documents and posters related to the Lower Duwamish River
https://ecology.wa.gov/lower-duwamish-river
Publication index: Soos Creek
List of links to documents about water quality in Soos Creek
https://ecology.wa.gov/publication-index-soos-creek
Publication index: Spokane River documents
List of links to documents about water quality in the Spokane River
https://ecology.wa.gov/spokane-river
Storymap: Skagit Valley's Warming Waters
An educational resource describing the issues, causes and impacts of warming waters in the Skagit valley streams..
https://ecology.wa.gov/storymap-skagit-valleys-warming-waters
Stormwater Pollution Prevention Plan (SWPPP) template for Construction Stormwater permit plans.
This template presents the recommended structure and content for preparing a Construction Stormwater General Permit SWPPP.
https://ecology.wa.gov/swppp-for-construction-stormwater-permits
RCW Chapter 90.50A
Water pollution control facilities federal capitalization grants
https://ecology.wa.gov/rcw-chapter-90-50a
WAC Chapter 173-303
Dangerous waste regulations
https://ecology.wa.gov/wac-chapter-173-303-3d9899805a920fa45a9286be0d1f7ab7
Public comments: Chambers Creek Regional Wastewater Treatment Plant Draft Permit
We invite your comments on the draft NPDES permit for the Chambers Creek Wastewater Treatment Plant – WA0039624.
https://ecology.wa.gov/chamberscreekcomment
1858 results
921 - 940 of 1858