Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

See more about this collection...

Commercial Vessel Sewage Pumpout Options

List of commercial vessel sewage pumpout options

https://ecology.wa.gov/commercial-vessel-sewage-pumpout-options

CAP Addendum for Olympic View Sanitary Landfill

This is a draft addendum to Olympic View Sanitary Landfill's Cleanup Action Plan (CAP), including revised cleanup levels for arsenic, iron, and manganese..

https://ecology.wa.gov/cap-addendum-for-olympic-view-sanitary-landfill

Requirements for 401 Water Quality Certification Request

This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.

https://ecology.wa.gov/certification-requirements-table

Conditions

WASTE TREATMENT AND IMMOBILIZATION PLANT CHANGE CONTROL LOG

https://ecology.wa.gov/conditions

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

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

CESF operator list

List of certified CESF operators.

https://ecology.wa.gov/cesf-operator-list-1

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

Construction Stormwater General Permit

Stormwater runoff from construction sites can carry muddy water, debris, and chemicals into local waterways. Sediments, chemicals, and debris can harm aquatic life and reduce water quality. Following the requirements in the Construction Stormwater General Permit (CSWGP) results in discharges that help control and reduce water pollution.

https://ecology.wa.gov/cswgpfinalmod2017

Fact Sheet Addendum with Response to Comments for the CSWGP Modification

Fact Sheet Addendum for the CSWGP Modification dated March 22, 2017 (includes Response to Comments)

https://ecology.wa.gov/cswgpmod2017responsetocomments

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

Sand & Gravel General Permit Formal Draft with redlines

Track Change PDF of Sand & Gravel General Permit Draft

https://ecology.wa.gov/changesshownsandgravelpermit2016

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

2015 Construction Stormwater General Permit Public Comments / Response to Comments

Public Comments / Response to Comments for the 2015 Construction Stormwater General Permit Reissuance process

https://ecology.wa.gov/cswgp2016responsetocomments

2010 Construction Stormwater General Permit Fact Sheet

Detailed explanation of the 2010 Construction Stormwater General Permit

https://ecology.wa.gov/cswgpfs072110

Public Workshop PowerPoint Slideshow for 2015 Construction Stormwater Permit Reissuance

The 2015 Construction Stormwater Permit Reissuance Public Workshop PowerPoint Slideshow explains the process, schedule, and proposed changes to the permit.

https://ecology.wa.gov/cswgppblcwrkshp2015

2010 Construction Stormwater General Permit

This is the previous Construction Stormwater General Permit, effective from January 1, 2011 to December 31, 2015.

https://ecology.wa.gov/cswgppermit120110