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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Response to Comments (Appendix D from permit Fact Sheets)

This is the response to comments received on the draft permits. This document is a copy of Appendix D which is found in each of the Permit Fact Sheets located PARIS database.

https://ecology.wa.gov/responsetocomments

Rulemaking Adoption Notice (WAC 173-201A) 03/22/22

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-03-22-22

Rulemaking Adoption Notice (WAC 173-201A) 1/23/19

This is a rulemaking adoption (CR-103) for WAC 173-201A Recreational Use Critera

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-1-23-19

Rulemaking Adoption Notice (WAC 173-201A) 08/01/16

This is a rulemaking adoption (CR-103) for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-08-01-16

ROADMAP summary

ROAD MAP (Regional Operations and Maintenance Program) includes Western Washington and Southwest Washington Permittees

https://ecology.wa.gov/revisedroadmapsummary

Rosemere vs. Ecology & Clark County - Pollution Control Hearings Board Ruling - Jan. 5, 2011

The Pollution Control Hearings Board (PCHB) issued a ruling on Jan. 5, 2011 that the Agreed Order #7273 entered in between Ecology and Clark County is unlawful.

https://ecology.wa.gov/rosemerevecy_clarkcopchbrulingjanuary52011

Rocky Mountain Compost Wattle letter.

A letter from Ecology stating this technology is equivalent to BMP C235..

https://ecology.wa.gov/rocky-mountain-compost-wattle

Rolanka BioDSiltTrap

the Rolanka BioDSiltTrap is functionally equivalent to BMP C235.

https://ecology.wa.gov/rolanka-biodsilttrap

RootSpace System for Stormwater Runoff Filtration

A letter from Ecology stating this technology is equivalent to a Bioretention Facility.

https://ecology.wa.gov/rootspace-system

Rubberform trackout mat

Letter about use of Rubberform Trackout Mat.

https://ecology.wa.gov/rubberform-trackout-mat

Aquatic Invasive Species Management General Permit Response to Comments

Response to Comments for the Aquatic Invasive Species Management General Permit.

https://ecology.wa.gov/rtc08082016

Phase I Municipal Stormwater Permit Guidance for Structural Stormwater Control Program

Draft Fact Sheet Language and Guidance for Special Condition S5.C.6 and Appendix 11 as proposed for preliminary review and comment October 3, 2017 (Revised October 24, 2017).

https://ecology.wa.gov/rev1prelimstructuralswcontrolspkg101717-pdf

Sand & Gravel General Permit response to comments

Addendum to Fact Sheet Appendix A: Sand and Gravel General Permit Response to Comments

https://ecology.wa.gov/responsetocomments-1e84209a9886297787ffae53a57aedf5

Draft Revised Portable Completion Form

Draft Revised Portable Completion of Operation Notice (ECY 070-30) Form

https://ecology.wa.gov/revised070-30completionoperations

Draft Revised Portable Beginning Form

Draft Revised Portable Beginning of Operation Notice (ECY 070-36) Form

https://ecology.wa.gov/revised070-36beginningoperations

2018 Pretreatment Plan for RJ Seafoods

2018 pretreatment plans on control for commercial clam beds in Willapa Bay for RJ Seafoods.

https://ecology.wa.gov/rj-seafoods-2018-pretreatment-plan

Rulemaking Adoption Notice (WAC 173-201A) 12/18/23

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-12-18-23

Rulemaking Adoption Notice (WAC 173-201A) 08/14/24

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-08-14-24

Rulemaking Adoption Notice (WAC 173-201A) 11/14/24

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-11-14-24

Rulemaking Adoption Notice (WAC 173-201A) 11/27/24

This is a rulemaking adoption (CR-103) for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-201a-2024