Regulations & Permits - Washington State Department of Ecology

ECY to Pend Oreille County regarding SEPA lead request

ECY response to Pend Oreille County Commissioners' letter requesting Ecology take the lead agency role in Environmental review of PacWest Silicon’s proposal

https://ecology.wa.gov/ecy-to-po-commissoners_lead-ag_july2018

Governor's letter to the Chehalis Basin Board (non-dam alternative)

A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam

https://ecology.wa.gov/governor-s-non-dam-alternative-letter-chehalis-ba

Governor's letter to the Director (non-dam alternative)

A letter from Governor Jay Inslee requesting the exploration of non-dam alternatives to the proposed Chehalis Basin River flood control dam

https://ecology.wa.gov/governor-s-non-dam-alternative-letter-ecology-and

2011 MTCATPH Excel Spreadsheet's Troubleshooting Guide

Troubleshooting guide with operating tips for common installation problems associated with compatibility with MS EXCEL 2000, 2003, 2007, 2010 versions.

https://ecology.wa.gov/2011mtcatphtroubleshooting

Freshwater Algae Control Grant Program - SFY 2019 Final Offer List

For the Fresh Water Algae Control grants funding program, this is the State Fiscal Year 2019 Final Offer List showing which projects will be offered funding and how much is being offered to them.

https://ecology.wa.gov/fwac-prgm-sfy-2019-final-offer-list

MTCAStat97: Backgound Module

A statistical analysis tool / workbook for analyzing background data for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastat97backgroundmodule

MTCAStat97: Site Module

A statistical analysis tool / workbook for calculating compliance statistics for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastat97sitemodule

MTCASTtat97: Technical supplement #1

Statistical guidance for using MTCAStat97 for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastattechsupplement

Aquatic Invasive Plants grants funding program - FY2019 Final Offer List

For the Aquatic Invasive Plants grants funding program, this is the State Fiscal Year 2019 Final Offer List showing which projects will be offered funding and how much is being offered to them.

https://ecology.wa.gov/fy2019-aip-final-offer-list

Clean Watershed Needs Survey - Calendar year 2018 Overview

This document provides an overview of the calendar year 2018 cycle of the Clean Watershed Needs Survey process for reviewing state watersheds to make a list of their water issues and needs

https://ecology.wa.gov/cwns-cy2018-overview

Columbia River Temperature TMDL Comment

Ecology's comment letter on EPA's Temperature TMDL for the Columbia and Snake Rivers

https://ecology.wa.gov/columbia-river-tmdl-comment

2018-2023 Municipal permit recommendations from Stormwater Work Group

Overall recommendations for RSMP funding and administration through the permits, Recommendations for the S8.B Status and Trends Monitoring, Recommendations for S8.C Effectiveness Studies, and Recommendations for S8.D Source Identification and Diagnostic Monitoring.

https://ecology.wa.gov/finals8recommendations1june2016

For operators: Biosolids fees, forms, & annual reports

Help for operators and managers with permits, annual reports, and fees.

https://ecology.wa.gov/regulations-permits/permits-certifications/biosolids-facilities-fees-forms-annual-report

Pacific Coast Coal Company

We permit the water quality discharge at the Pacific Coast Coal Company for the John Henry Mine.

https://ecology.wa.gov/regulations-permits/permits-certifications/pccc

Biosolids laws, rules, and support documents

See Washington's biosolids laws, the administrative rules we operate under, and support documents.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/biosolids-laws-rules-and-support-documents

Aquatic Noxious Weed Control General Permit

We issue this general permit to manage freshwater and marine noxious weeds in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-noxious-weed-control

Alcoa Wenatchee

We regulate the water and hazardous waste at Alcoa's Wenatchee aluminum smelter in Malaga.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/alcoa-wenatchee

Hasa, Longview

We regulate water and hazardous waste activities at the Hasa bleach repackaging plant in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/hasa

Aquatic Plant & Algae Management General Permit

This permit covers the in-water and shoreline management of plants, algae, and phosphorus.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/aquatic-plant-algae-management

Municipal stormwater permit compliance assurance program

We use a proactive approach to ensuring the permits are implemented and effective.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/municipal-stormwater-compliance-assurance-program