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

CR101_173_219

Rule pre-proposal form

https://ecology.wa.gov/cr101form173_219

Ecology Water Quality Funded Facility Projects Cost and Effectiveness Analysis Certification Form

https://ecology.wa.gov/cost-and-effectiveness-analysis-certification-form

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

CR-102 Continuance Form (WAC 173-201A) 08/15/18

This is a rulemaking document (CR-102 Continuance) to correct the mailing addresses for the WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington comment period.

https://ecology.wa.gov/cr-102-continuance-form-wac-173-201a-08-15-18

CR101 Notice to Interested Parties (WAC 173-224)

This is the notice that was mailed to all permitees.

https://ecology.wa.gov/cr101-notice-to-interested-parties

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

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

Corrections and Clarifications to the Stormwater Management Manual for Eastern Washington (2004)

This summarizes all the corrections and clarifications to the Eastern Washington Stormwater management manual from 2004

https://ecology.wa.gov/correctionsclarificationsstormwatermanagementmanua

Appeal of the CSWGP

11/8/15 appeal of the CSWGP that went into effect 1/1/16

https://ecology.wa.gov/contractorsvsecology-12-21-15

Comparison formal draft to final Sand and Gravel General Permit

See the comparison from the formal draft to the final Sand and Gravel General Permit.

https://ecology.wa.gov/comparison-formal-draft-to-final

Sand & Gravel General Permit compared to Formal Draft Permit

This is a redline pdf showing the changes between the formal draft and the final permit for the 2016-2021 permit cycle.

https://ecology.wa.gov/comparisonformaldrafttofinal

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