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.
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
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