Rules by Program

Administration

Chapter 173-03 WAC - Public records
Chapter 173-04 WAC - Practice and procedure - Hearings board
Chapter 173-06 WAC - Delegation of powers

Air Quality

Chapter 173-400 WAC - General regulation for air pollution sources
Chapter 173-401 WAC - Operating permit regulation
Chapter 173-405 WAC - Kraft pulping mills
Chapter 173-406 WAC - Acid rain regulation
Chapter 173-407 WAC - Carbon dioxide mitigation program for fossil-fueled thermal electric generating facilities
Chapter 173-410 WAC - Sulfite pulping mills
Chapter 173-415 WAC - Primary aluminum plants
Chapter 173-420 WAC - Conformity of transportation activities to air quality Implementation Plans
Chapter 173-421 WAC - Motor vehicle emission control systems
Chapter 173-422 WAC - Motor vehicle emission inspection
Chapter 173-422A WAC - Motor vehicle emission inspection
Chapter 173-423 WAC - Low emission vehicles
Chapter 173-425 WAC - Outdoor burning
Chapter 173-430 WAC - Agricultural burning
Chapter 173-433 WAC - Solid fuel burning devices
- View current rulemaking activity.
Chapter 173-434 WAC - Solid waste incinerator facilities
Chapter 173-435 WAC - Emergency episode plan
Chapter 173-441 WAC - Reporting of Emissions of Greenhouse Gases
Chapter 173-450 WAC - Establishing requirements for the receipt of financial aid
Chapter 173-455 WAC - Air quality fee regulation
Chapter 173-460 WAC - Controls for new sources of toxic air pollutants
Chapter 173-470 WAC - Ambient air quality standards for particulate matter
- View current rulemaking activity.
Chapter 173-474 WAC - Ambient air quality standards for sulfur oxides
- View current rulemaking activity.
Chapter 173-475 WAC - Ambient air quality standards for carbon monoxide, ozone, and nitrogen dioxide
- View current rulemaking activity.
Chapter 173-480 WAC - Ambient air quality standards and emission limits for radionuclides
Chapter 173-481 WAC - Ambient air quality and environmental standards for fluorides
Chapter 173-490 WAC - Emissions standards and controls for sources emitting volatile organic compounds (VOC)
Chapter 173-491 WAC - Emission standards and controls for sources emitting gasoline vapors
Chapter 173-492 WAC - Motor fuel specifications for oxygenated gasoline
Chapter 173-495 WAC - Weather modification

Environmental Assessment

Chapter 173-50 WAC - Accreditation of environmental laboratories

Grants and Loans

Solid Waste

Chapter 173-312 WAC - Coordinated prevention grants
Chapter 173-313 WAC - Local solid waste enforcement grant regulation
Chapter 173-321 WAC - Public participation grants
Chapter 173-322 WAC - Remedial action grants

Water Quality

Chapter 173-80 WAC - Limitations on use of Referendum 39 grant funds water pollution abatement
Chapter 173-95A WAC - Uses and limitations of the centennial clean water fund
Chapter 173-98 WAC - Uses and limitations of the water pollution control state revolving fund
Chapter 173-255 WAC - Limitations on use of Referendum 26 grant funds for water pollution abatement

Hazardous Waste and Toxics Reduction

Chapter 173-303 WAC - Dangerous waste regulations
Chapter 173-305 WAC - Hazardous waste fee regulation
Chapter 173-307 WAC - [Pollution prevention] plans
Chapter 173-333 WAC - Persistent biocumulative toxic substances rule
Chapter 173-901 WAC - Better brakes

Noise

Chapter 173-58 WAC - Sound level measurement procedures
Chapter 173-60 WAC - Maximum environmental noise levels
Chapter 173-62 WAC - Motor vehicle noise performance standards

Nuclear Waste

Chapter 173-44 WAC - Fees - radioactive waste management facilities
Chapter 173-325 WAC - Low level radioactive waste disposal
Chapter 173-326 WAC - Commercial low-level radioactive waste disposal- site use permits
Chapter 173-328 WAC - Mixed waste management fees

Office of Columbia River

Chapter 508-14 WAC - Columbia Basin Project — Ground Waters
- View current rule-making activity.

SEPA

Chapter 173-802 WAC - SEPA procedures
Chapter 173-806 WAC - Model ordinance
Chapter 197-11 WAC - SEPA Rules
- View current rulemaking activity.

Shorelands and Environmental Assistance

Chapter 173-15 WAC - Permits for oil or natural gas exploration activities conducted from state marine waters
Chapter 173-18 WAC - Shoreline management act — streams and rivers constituting shorelines of the state
Chapter 173-20 WAC - Shoreline management act — lakes constituting shorelines of the state
Chapter 173-22 WAC - Adoption of designations of shorelands and wetlands associated with shorelines of the state
Chapter 173-26 WAC - State master program approval\amendment procedures and master program guidelines
Chapter 173-27 WAC - Shoreline management permit and enforcement procedures
Chapter 173-145 WAC - Administration of the flood control assistance account program
Chapter 173-158 WAC - Floodplain management
Chapter 173-700 WAC - Wetland mitigation bank certification

Spill Prevention, Preparedness and Response

Chapter 173-180 WAC - Facility oil handling standards
Chapter 173-182 WAC - Oil spill contingency planning
Chapter 173-183 WAC - Oil Spill Natural Resource Damage Assessment
Chapter 173-184 WAC - Vessel oil transfer advance notice and containment requirements
Chapter 317-05 WAC - Definitions [Office of Marine Safety]
Chapter 317-31 WAC - Cargo and passenger vessels - Substantial risk
Chapter 317-40 WAC - Bunkering operations
Chapter 317-50 WAC - Financial responsibility for small tank barges and oil spill response barges

Toxics Cleanup and Sediments

Chapter 173-204 WAC - Sediment management standards
Chapter 173-340 WAC - Model Toxics Control Act [MTCA] cleanup
Chapter 173-342 WAC - Additional taxable hazardous substance list
Chapter 173-360 WAC - Underground storage tank regulations

Toxic Hazards

Chapter 173-333 WAC - Persistent bioaccumulative toxic substances (PBTs)
New rule - Chapter 173-901 WAC, Better brakes

Waste 2 Resources

Chapter 173-24 WAC - Tax exemptions and credits for pollution control facilities
Chapter 173-300 WAC - Certification of operators of solid waste incinerator and landfill facilities
Chapter 173-304 WAC - Minimum functional standards for solid waste handling
Note: WAC 173-304 now only applies to landfills that closed under this regulation, providing continuing requirements for their post-closure activities, groundwater monitoring, financial assurance, and permit renewals. Please see WAC 173-350 for handling standards at currently-operating or proposed solid waste facilities.
Chapter 173-306 WAC - Special incinerator ash management standards
Chapter 173-308 WAC - Biosolids management
Chapter 173-310 WAC - Litter receptacles
Chapter 173-312 WAC - Coordinated prevention grants
Chapter 173-313 WAC - Local solid waste enforcement grant regulation
Chapter 173-321 WAC - Public participation grants
Chapter 173-322 WAC - Remedial action grants
Chapter 173-330 WAC - Used automobile oil recycling sign requirement for automobile oil sellers
Chapter 173-331 WAC - Vehicle battery recycling
Chapter 173-333 WAC - Persistent bioaccumulative toxic substances (PBTs)
Chapter 173-334 WAC – Children’s Safe Products - Reporting Rule
- View current rulemaking activity.
Chapter 173-345 WAC - Recyclable Materials - Transporter and Facility Requirements
Chapter 173-350 WAC - Solid waste handling standards
Chapter 173-351 WAC - Criteria for municipal solid waste landfills
Chapter 173-900 WAC - Electronic product recycling program
Chapter 173-910 WAC, Mercury-Containing Lights Product Stewardship Program

Water Quality

Chapter 173-40 WAC - Pollution Disclosure
Chapter 173-80 WAC - Limitations on use of Referendum 39 grant funds water pollution abatement
Chapter 173-95A WAC - Uses and limitations of the centennial clean water fund
Chapter 173-98 WAC - Uses and limitations of the water pollution control state revolving fund
Chapter 173-200 WAC - Water quality standards for ground waters of the state of Washington
Chapter 173-201A WAC - Water quality standards for surface waters of the state of Washington (Human health criteria)
- View current rulemaking activity.
Chapter 173-201A WAC - Water quality standards for surface waters of the state of Washington (Implementation tools)
- View current rulemaking activity.
Chapter 173-204 WAC - Sediment management standards
- View current rule-making activity.
Chapter 173-205 WAC - Whole effluent toxicity testing and limits
Chapter 173-208 WAC - Grant of authority sewerage systems
Chapter 173-216 WAC - State waste discharge permit program
Chapter 173-218 WAC - Underground injection control program
Chapter 173-219 WAC - Reclaimed water use
- View current rule-making activity.
Chapter 173-220 WAC - National pollutant discharge elimination system permit program
Chapter 173-221 WAC - Discharge standards and procedures for determining effluent limitations for domestic wastewater facilities
Chapter 173-221A WAC - Wastewater discharge standards and effluent limitations
Chapter 173-224 WAC - Wastewater discharge permit fees
- View current rule-making activity.
Chapter 173-225 WAC - FWPCA—establishment of implementation procedures of application for certification
Chapter 173-226 WAC - Waste discharge general permit program
Chapter 173-230 WAC - Certification of operators of wastewater treatment plants
Chapter 173-240 WAC - Submission of plans and reports for construction of wastewater facilities
Chapter 173-245 WAC - Submission of plans and reports for construction and operation of combined sewer overflow reduction facilities
Chapter 173-255 WAC - Limitations on use of Referendum 26 grant funds for water pollution abatement
Chapter 173-270 WAC - Puget sound highway runoff program
Chapter 372-36 WAC - Columbia Basin Irrigation Area — sewage and waste
Chapter 372-52 WAC - Water districts requests for approvals and certifications of necessity to operate sewer districts
Chapter 372-68 WAC - Water pollution control and abatement plans for sewage drainage basins

Water Resources

Chapter 173-100 WAC - Ground water management areas and programs
Chapter 173-124 WAC - Quincy ground water management subarea and zones
Chapter 173-128A WAC - Odessa ground water management subarea
Chapter 173-130A WAC - Odessa ground water subarea management policy
Chapter 173-132 WAC - Duck Lake ground water management subarea
Chapter 173-134A WAC - Quincy ground water subarea management policy
Chapter 173-136 WAC - Establishment of a system of authorizing the withdrawal of artificially stored ground water embodied in an approved declaration under RCW 90.44.130 which are co-mingled with public ground waters in ground water areas subareas, and zones established under 90.44.130.
Chapter 173-150 WAC - Protection of withdrawal facilities associated with ground water rights
Chapter 173-152 WAC - Water rights
Chapter 173-153 WAC - Water conservancy boards
Chapter 173-154 WAC - Protection of upper aquifer zones
Chapter 173-157 WAC - Underground artificial storage and recovery
Chapter 173-165 WAC - Certified water right examiners
Chapter 173-166 WAC - Emergency drought relief
Chapter 173-170 WAC - Agricultural water supply facilities
Chapter 173-173 WAC - Requirements for measuring and reporting water use
Chapter 173-175 WAC - Dam safety
Chapter 173-500 WAC - Water resources management program established pursuant to the Water Resources Act of 1971
Chapter 173-501 WAC - Instream resources protection program Nooksack River Basin - WRIA 1
Chapter 173-503 WAC - Instream Resources Protection Program - Lower and Upper Skagit WRIAs 3 and 4
(New rule) Chapter 173-503a WAC - Samish River Sub-basin Instream Resources Protection Program - Lower and Upper Skagit Water Resources Inventory Area, WRIAs 3 and 4
- View current rule-making activity.
Chapter 173-505 WAC - Instream resources protection program - Stillaguamish River Basin - WRIA 5
Chapter 173-507 WAC - Instream resources protection program - Snohomish River Basin - WRIA 7
Chapter 173-508 WAC - Instream resources protection program - Cedar-Sammamish Basin - WRIA 8
Chapter 173-509 WAC - Instream resources protection program - Green-Duwamish River Basin- WRIA 9
Chapter 173-510 WAC - Instream resources protection program - Puyallup River Basin - WRIA 10
Chapter 173-511 WAC - Instream resources protection program - Nisqually River Basin - WRIA 11
Chapter 173-512 WAC - Instream resources protection program - Chambers-Clover Creek Basin - WRIA 12
Chapter 173-513 WAC - Instream Resources Protection Program Deschutes River Basin - WRIA 13
Chapter 173-514 WAC - Instream resources protection program - Kennedy-Goldsbourgh Basin - WRIA 14
Chapter 173-515 WAC - Instream resources protection program - Kitsap - WRIA 15
Chapter 173-517 WAC - Instream resources protection and watershed management program - Quilcene-Snow - WRIA 17
(New rule) Chapter 173-518 WAC - Water Resources Management program for the Dungeness portion of the Elwha-Dungeness - Water Resources Inventory Area (WRIA 18)
Chapter 173-522 WAC - Water resources program Chehalis River basin - WRIA 22 and 23
(New rule) Chapter 173-525 WAC - Grays-Elochoman Instream resources protection and watershed management program - WRIA 25
- View current rule-making activity.
(New rule) Chapter 173-526 WAC - Cowlitz Instream resources protection and watershed management program - WRIA 26
- View current rule-making activity.
Chapter 173-527 WAC - Water resources management program for the Lewis basin - WRIA 27
Chapter 173-528 WAC - Water resources program for the Salmon-Washougal basin, - WRIA 28
Chapter 173-531A WAC - Water resources program for John Day-McNary Pools reach of the Columbia River - WRIA 31 and parts of 32, 33, 36, 37
Chapter 173-532 WAC - Water resources program in the Walla Walla River basin - WRIA 32
Chapter 173-539A WAC - Upper Kittitas Groundwater Rule - WRIA 39
Chapter 173-545 WAC - Instream resources protection program - Wenatchee River basin - WRIA 45
Chapter 173-546 WAC - Entiat River Basin -WRIA 46
Chapter 173-548 WAC - Water resources program in the Methow River basin - WRIA 48
Chapter 173-549 WAC - Water resources program in the Okanogan River basin - WRIA 49
Chapter 173-555 WAC - Water resources program in the Little Spokane River basin - WRIA 55
Chapter 173-559 WAC - Water resources program in the Colville River basin - WRIA 59
Chapter 173-563 WAC - Instream resources protection program for the main stem of the Columbia River in Washington State
Chapter 173-564 WAC - Water resources management program for the main stem of the Snake River in Washington State
Chapter 173-590 WAC - Procedures relating to the reservation of water for future public water supply
Chapter 173-591 WAC - Reservation of future public water supply for Thurston County ground water reservation
Chapter 508-12 WAC - Administration of surface and ground water codes
Chapter 508-14 WAC - Columbia Basin Project — ground waters
- View current rule-making activity.

Well Drilling

Chapter 173-160 WAC - Minimum standards for construction and maintenance of wells
Chapter 173-162 WAC - Regulation and licensing of water well contractors and operators