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.

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Using Arc Reader to Locate 12-Digit HUCs

Instructions for using the Arc Reader to locate 12-Digit HUCs

https://ecology.wa.gov/using-arc-reader-to-locate-12-digit-hucs

Water Pollution Control Revolving Fund Engineering Services Insert

Clauses that will be incorporated into contracts for engineering services who receive financial assistance from the Ecology Water Pollution Control Revolving Fund.

https://ecology.wa.gov/water-pollution-control-revolving-fund-engineering

Water Pollution Control Revolving Fund Pre Selection Insert

Clauses that will be incorporated into equipment pre-selection contracts receiving financial assistance from the Ecology Water Pollution Control Revolving Fund.

https://ecology.wa.gov/water-pollution-control-revolving-fund-pre-selecti

Responsiveness summary for WQ surface water standard triennial review process

We created a responsiveness summary based on comments received, including our response to each comment

https://ecology.wa.gov/triennialrevresponsetocommtable082011-pdf

Underline strikeout version of policy

This version of the policy shows all of the changes to the previous language with underline/strikeout markings

https://ecology.wa.gov/underline-strikeout-version-of-policy

WA DFW Request for TDG Short-term Mod

This is a letter from the WA Dept. of Fish and Wildlife requesting Ecology to adjust its total dissolved gas standards on the lower Snake and Columbia rivers.

https://ecology.wa.gov/wa-dfw-request-for-tdg-short-term-mod

Total suspended solids benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/total-suspended-solids-benchsheet

Notice of Termination for Vessel Deconstruction

Use this form when you have completed deconstruction and no longer need coverage under the permit.

https://ecology.wa.gov/the-vessel-deconstrcution-notice-of-termination-fo

Vessel Deconstruction Transfer of Coverage

Use this form to transfer permit coverage to a new operator

https://ecology.wa.gov/the-vessel-deconstruction-transfer-of-coverage

Vessel Deconstruction Permit fact sheet

This fact sheet is a companion document to the draft National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit for Discharges Associated with Vessel Deconstruction Activity (Vessel Deconstruction General Permit, or VDGP). The proposed permit authorizes the discharge of stormwater and a limited number of non-stormwater discharges.

https://ecology.wa.gov/vesseldeconstructionfactsheet

Vessel Desconstruction Permit

This permit defines requirements for pollution prevention during the dismantling of vessels.

https://ecology.wa.gov/vesseldeconstructionpermit

Track Clean™ Construction Entrance Plates Functional Equivalency

Ecology finds Track Clean™ Construction Entrance Plates can be used as a temporary erosion control mechanism. These plates must adhere to the guidelines of Best Management Practice C105 (Stabilized Construction Entrance) for stormwater control.

https://ecology.wa.gov/trackclean

Urban Raingarden

Determined to be functionally equivalent to a Bioretention Planter or Planter Box

https://ecology.wa.gov/urban-raingarden

Watcom Clean Water Map

This map shows the Watcom Clean Water Program Area

https://ecology.wa.gov/watcom-clean-water-map

Washington State Marinas with Marine Oil Recycling

Find a local marina with oil recycling for your boat fuel

https://ecology.wa.gov/washington-state-marinas-with-marine-oil-recycling

Treatment Systems for Contaminated Construction Runoff (TSCCR)

This spreadsheet shows treatment systems that may be effective in treating specific contaminants. Users should evaluate the effectiveness of any treatment system they plan to implement and confirm that the chosen treatment system does not cause or contribute to a violation of the water quality standards.

https://ecology.wa.gov/treatmentsystems

Vancouver meeting notes for MS4 reissuance 2017

3/14/17: W.WA Municipal Stormwater Permit Reissuance public meeting– Vancouver

https://ecology.wa.gov/vancouvermtg-notes03142017

Track change preliminary draft of the Sand and Gravel General Permit.

Edits to the preliminary draft of the Sand and Gravel General Permit.

https://ecology.wa.gov/track-changes-preliminary-draf

Preliminary Draft with track changes for 2016 Sand & Gravel General Permit

Sand & Gravel General Permit Preliminary draft with track changes

https://ecology.wa.gov/trackchangepreliminarydraft

WACA appeal 2016

WA Aggregates & Concrete Association appeal of Sand & Gravel General Permit in 2016

https://ecology.wa.gov/wacaappeal2016