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...

Policy 1-11 Easy-To-Read Bacteria Criteria Revisions

Easy to read version of water quality Policy 1-11 proposed bacteria criteria revisions for public comment

https://ecology.wa.gov/policy-1-11-draft-bacteria-criteria-revisions

pH benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/ph-benchsheet

Policy 1-11 Summary of Proposed Revisions

This is a summary of proposed revisions for the water quality assessment listing Policy 1-11

https://ecology.wa.gov/policy-1-11-summary-of-proposed-revisions

Policy 1-11 Scoping Comments Summary June 2016

Summary scoping comments on the Policy 1-11, June 2016

https://ecology.wa.gov/policy1-11-scopingcommentssummary

Petition Response General Permit Small Mining Jan 19 2018

Response letter to petition for general permit for small scale mining

https://ecology.wa.gov/petition-response-general-permit-for-small-mining

Preliminary Draft EIS (WAC 173-201A) 06/10/20

Preliminary Draft EIS for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-eis-wac-173-201a-06-10-20

Preliminary Draft Implementation Plan (WAC 173-201A) 06/10/20

Preliminary Draft Implementation Plan for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-implementation-plan-wac-173-201

Pilot Use Level Technologies Notice of Intent (application) form

Local governments with a National Pollutant Discharge Elimination System (NPDES) permit must submit this Notice of Intent Form to Ecology, and receive Ecology’s approval prior to installing a pilot-designated technology (except in retrofit situations).

https://ecology.wa.gov/puldnoi

Preliminary Draft Rule Language (WAC 173-201A) 06/10/20

Preliminary draft rule language for amendments to chapter 173-201A WAC, for PCB Variances on the Spokane River.

https://ecology.wa.gov/preliminary-draft-rule-language-wac-173-201a-06

Preliminary Draft State Technical Support Document (WAC 173-201A) 06/10/20

This preliminary draft document provides background and technical information for PCB Variances on the Spokane River. Chapter 173-201A WAC.

https://ecology.wa.gov/preliminary-draft-state-technical-support-document

Upland fin-fish hatching and rearing general permit

This is the 2015 general permit issued for upland fin-fish hatching and rearing. It is a National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit effective from April 1, 2016 until March 31, 2021.

https://ecology.wa.gov/permitfinal12152015

Preliminary draft toxics language and toxics table (WAC 173-201A) 9/30/14

This is the Preliminary draft toxics language and toxics table with footnotes at WAC 173-201A-240 for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/preliminary-draft-toxics-language-and-toxics-table

Coverage and Exemptions S1.A

This section describes the specific activities that require coverge and the exemptions.

https://ecology.wa.gov/permit-section-s1-a

Preliminary draft SBEIS (WAC 173-201A) 9/30/14

This is the preliminary draft small business economic impact statement for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/preliminary-draft-sbeis-wac-173-201a-9-30-14

Preliminary draft rule language for implementation (WAC 173-201A) 9/30/14

This is the preliminary draft rule language for implementation tools at WAC 173-020, 420, 460, and 510(4) for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/preliminary-draft-rule-language-for-implementation

Preliminary draft Implementation Plan (WAC 173-201A) 9/30/14

This is the preliminary draft Implementation Plan to implement rule after it is adopted for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/preliminary-draft-implementation-plan-wac-173-201a-9-30-14

Preliminary draft CBA and LBA (WAC 173-201A) 9/30/14

This is the preliminary draft cost benefit and least burdensome alternative analyses for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/preliminary-draft-cba-and-lba-wac-173-201a-9-30

Perry Pallet Functional Equivalent

Ecology finds Perry Pallet Mulch functionally equivalent to BMP C121 Mulching and BMP C235 Wattles.

https://ecology.wa.gov/perry-pallet

permitcoverages

This is a list of permitees and applicator coverages for the aquatic plant

https://ecology.wa.gov/permitcoverages

Sand & Gravel General permit permit reference index

Use this index to compare permit references between the 2011 and 2016 Sand & Gravel General Permits. (Note: this index does not indicate changes in permit langugae -- many sections in the permit were renumbered without a change in permit language.)

https://ecology.wa.gov/permitreferenceindex