Regulations & Permits - Washington State Department of Ecology

UIC Class V Well Definitions

This document explains the Class V well definitions and lists the Washington well code and the EPA well code.

https://ecology.wa.gov/class-v-well-definitions

Clarification on Class 5 UIC well practices from EPA

Read EPA's clarification on which stormwater infiltration practices/technologies we may regulate as a Class 5 UIC well

https://ecology.wa.gov/class5wellepamemo

CARA Scoping Detail by Topic

This excel spreadsheet is an easy way to give us feedback by topic for the CARA Guidance Scoping

https://ecology.wa.gov/cara-scoping-detail-by-topic-1

Clark Public Utilities: Lockwood Creek Restoration

Clark County Public Utilities' Lockwood Creek restoration grant

https://ecology.wa.gov/clarkputil-lockwoodcrgrantfinalrpt

Ecology Water Quality Clean Watershed Needs Survey (CWNS) Program On-Site Sewage Systems Survey Instructions and Forms

https://ecology.wa.gov/clean-watershed-needs-survey-cwns-on-site-sewage

Ecology Water Quality Clean Watershed Needs Survey (CWNS) Program Overview for 2012

https://ecology.wa.gov/clean-watershed-needs-survey-cwns-program-overvi

Ecology Water Quality Clean Watershed Needs Survey (CWNS) Program Small Communities Survey Form 2012

https://ecology.wa.gov/clean-watershed-needs-survey-cwns-small-communit

CAFO Transfer of Coverage Form

Concentrated animal feeding operation transfer of coverage form

https://ecology.wa.gov/cafo-transfer-of-coverage-form

VIS System for Stormwater runoff filtration

We find the VIS system functionally equivalent to a bioretention planter or planter box.

https://ecology.wa.gov/cedargrovevissystem

Chart of Changes between the 2005 and 2012 Stormwater Management Manual for Western Washington

This shows which sections changed between the 2005 and 2012 SWMMWW

https://ecology.wa.gov/changechart

Clima Cover

Letter verifying that ClimaCover All Weather Protective Systems can be used as an alternative to sandbags in stormwater control.

https://ecology.wa.gov/climacover

Interceptor ClimaCover

Ecology finds ClimaCover Interceptor Dike is equivalent to BMP C200 Interceptor Dam. The specifications for the check dam system must adhere to the specifications listed in this letter.

https://ecology.wa.gov/climacoverinterceptordikefea

Clark County’s 2005 Stormwater Management Manual for Western Washington equivalent program

Clark County Development & Redevelopment Flow Control Mitigation Program

https://ecology.wa.gov/clarkcountydevelopmentredevelopmentflowcontrolmiti

Changes accapted formal sand and gravel general permit

After adding the edits, this is the formal draft Sand and Gravel General Permit.

https://ecology.wa.gov/changes-accapted-formal-sand-and-gravel-general-pe

Catch basin inspection alternatives

This focus sheet explains the catch basin inspection options in the permits and provides examples.

https://ecology.wa.gov/catch-basin-inspection-alternatives

Guide to Changes in the 2016 Sand & Gravel General Permit

This guide provides information on what has changed between the 2011 and 2016 Sand & Gravel General Permit. The guide is setup by permittee categories and NAICS / Ecology Codes. Refer to the appropriate categories below for your business (more than one category may apply to your operations). This document is only intended as a guide. Refer to the permit for more information.

https://ecology.wa.gov/changesguide2016

Sand & Gravel General Permit Formal Draft with redlines

Track Change PDF of Sand & Gravel General Permit Draft

https://ecology.wa.gov/changesshownsandgravelpermit2016

Annual Report for Coast Seafoods

Annual report reviewing 2017 annual report for zostera japonica controls in Willapa Bay for Coast Seafoods.

https://ecology.wa.gov/coast-3011-annual-report