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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4469 results

Personal Injury Report

WCC personal injury reporting form

https://ecology.wa.gov/personal-injury-report

pH benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/ph-benchsheet

Petition Response General Permit Small Mining Jan 19 2018

Response letter to petition for general permit for small scale mining

https://ecology.wa.gov/petition-response-general-permit-for-small-mining

Permit Denial Millennium Bulk Terminals

A water certification denial detailing the reasons why the Washington Department of Ecology made its decision.

https://ecology.wa.gov/permit-denial-millennium-bulk-terminals

Periodic Review Checklist

Checklist to guide local governments in their shoreline master program periodic reviews.

https://ecology.wa.gov/periodic-review-checklist

Upland fin-fish hatching and rearing general permit

This is the 2015 general permit issued for upland fin-fish hatching and rearing. It is a National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit effective from April 1, 2016 until March 31, 2021.

https://ecology.wa.gov/permitfinal12152015

Periodic Review Checklist Guidance

Guidance for local governments for how to complete their periodic review checklist for shoreline master programs.

https://ecology.wa.gov/periodic-review-checklist-guidance

Petition for Declaratory Judgment and Judicial Review (WAC 173-557; 173-555) 01/27/15

Petition for Declaratory Judgment and Judicial Review for Chapter 173-557 WAC Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010 rulemaking.

https://ecology.wa.gov/petition-for-declaratory-judgment-and-judicial-rev

Petition to Amend the Instream Flow Rule(WAC 173-557; 173-555) 01/27/15

Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/petition-to-amend-the-instream-flow-rule-wac-173

Coverage and Exemptions S1.A

This section describes the specific activities that require coverge and the exemptions.

https://ecology.wa.gov/permit-section-s1-a

Permeable Pavement Inspection Form

Low Impact Development guidance - Permeable Pavement Inspection Form

https://ecology.wa.gov/permeablepavementinspectionform

Perry Pallet Functional Equivalent

Ecology finds Perry Pallet Mulch functionally equivalent to BMP C121 Mulching and BMP C235 Wattles.

https://ecology.wa.gov/perry-pallet

permitcoverages

This is a list of permitees and applicator coverages for the aquatic plant

https://ecology.wa.gov/permitcoverages

Pierce County Critical Areas Title 18E - Full Code

Title 18E Development Regulations - Critical Areas - Full Code

https://ecology.wa.gov/pierce-county-critical-areas-title-18e-full-cod

Pierce County Ordinance 2013-45s4 Exhibit I: Pierce County Council Findings of Fact

The County findings of the Shoreline of the State in Pierce County

https://ecology.wa.gov/pierce-county-ordinance-2013-45s4-exhibit-i-pier

Pierce County Appendix H: Shoreline Environment Township Atlas Maps Pages 1-13

Collection of maps in Township and Range Pages 1-13

https://ecology.wa.gov/pierce-county-appendix-h-shoreline-environment-3

Pierce County Appendix H: Shoreline Environment Township Atlas Maps Pages 14-22

Collection of maps in Township and Range Pages 14-22

https://ecology.wa.gov/pierce-county-appendix-h-shoreline-environment-4

Petition to Amend Consent Decree - October 3, 2014

State's October Petition to Amend Consent Decree

https://ecology.wa.gov/petition-to-amend-consent-decree

Sand & Gravel General permit permit reference index

Use this index to compare permit references between the 2011 and 2016 Sand & Gravel General Permits. (Note: this index does not indicate changes in permit langugae -- many sections in the permit were renumbered without a change in permit language.)

https://ecology.wa.gov/permitreferenceindex

Pend Oreille SMP Approved SMP October 2012

2012 SMP that has comments in the area that the 2015 Changes were made. This document with the changes made in 2015 is the state approved SMP for Pend Oreille County

https://ecology.wa.gov/pend-oreille-smp-approved-smp-october-2012