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...

Cleaning Hanford's Groundwater

Brochure explaining groundwater contamination at Hanford

https://ecology.wa.gov/cleaning-hanford-s-groundwater

MOU between EPA and Ecology

Memorandum of Understanding between EPA Region 10 and Ecology concerning TPA

https://ecology.wa.gov/mou-between-epa-and-ecology

Cultural Resources

Explains what cultural resources are, how they are reviewed and protected and links to more information

https://ecology.wa.gov/cultural-resources

Conditions

WASTE TREATMENT AND IMMOBILIZATION PLANT CHANGE CONTROL LOG

https://ecology.wa.gov/conditions

SY Tanks Settlement Agreement

SY Tanks Settlement Agreement and Order satisfying penalty issued by Ecology for leaking tanks.

https://ecology.wa.gov/sy-tanks-settlement-agreement

Statement of Basis for Proposed Permit Modification of WTP Permit

The Statement of Basis provides information on Ecology’s decision to modify the WTP Permit, focusing on the operations of the Analytical Laboratory.

https://ecology.wa.gov/statement-of-basis

T-Plant Settlement Agreement

Settlement between Ecology and CHPRC regarding T-Plant penalty

https://ecology.wa.gov/t-plant-settlement-agreement

Order denying removal of technical advisor

The Court denies DOE's motion to remove a Technical Advisor from the case.

https://ecology.wa.gov/order-denying-removal-of-technical-advisor

Tank Waste Consent Decree

Final, entered Consent Decree for Tank Waste cleanup at Hanford.

https://ecology.wa.gov/tank-waste-consent-decree

Administrative Order for Tank AY-102 - March 21, 2014

The Washington State Department of Ecology issues an Administrative Order against the U.S. Department of Energy and Washington River Protection Solutions.

https://ecology.wa.gov/administrative-order

Order discharging technical advisors

The Court has completed its work with the technical advisors and will be issuing Amended Consent Decrees concurrent with this Order.

https://ecology.wa.gov/order-discharging-technical-advisors

Central Waste Complex Agreed Order and Stipulated Penalty - January 24, 2014

Agreed Order and Stipulated Penalty between U.S. Department of Energy and CH2M Hill.

https://ecology.wa.gov/central-waste-complex-agreed-order-and-stipulated

Central Waste Complex Order - Exhibit A

Required Actions Under Chapter 173-303 WAC.

https://ecology.wa.gov/central-waste-complex-order-exhibit-a

Oregon Tank Waste Consent Decree

Amended Consent Decree Between Dept. of Energy and State of Oregon

https://ecology.wa.gov/oregon-tank-waste-consent-decree

Tank Waste Amended Order

Amended Order in Tank Waste Consent Decree case

https://ecology.wa.gov/tank-waste-amended-order

Central Waste Complex Order - Exhibit B

Dangerous Waste Management Units.

https://ecology.wa.gov/central-waste-complex-order-exhibit-b

Central Waste Complex Order - Exhibit C

Dangerous Waste Violations

https://ecology.wa.gov/central-waste-complex-order-exhibit-c

Tank Waste Final Order

This Order concerns the mutual agreements between the United States Department of Energy, Washington State, and Oregon State regarding the safe removal of radioactive waste from the Hanford Nuclear Reservation in a reasonable and expeditious manner.

https://ecology.wa.gov/tank-waste-final-order

Petition to Amend Consent Decree - October 3, 2014

State's October Petition to Amend Consent Decree

https://ecology.wa.gov/petition-to-amend-consent-decree

Settlement Agreement for Tank AY-102 - September 29, 2014

Settlement Agreement between U.S. Department of Ecology, U.S. Department of Energy and Washington River Protection Solutions

https://ecology.wa.gov/settlement-agreement