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Washington Administrative Code (WAC)
Title 246
Chapter 272B
Wash. Admin. Code ch. 246-272B
Large On-site Sewage System Regulations
HEALTH, DEPARTMENT OF
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246-272B-01000
Purpose and objectives
246-272B-01100
Acronyms and definitions
246-272B-01200
Applicability and relationship to other statutes and regulations
246-272B-01300
General requirements
246-272B-02000
Site review—Predesign report, soil characterization, and site inspection
246-272B-02050
Environmental review—Site risk survey and hydrogeology report
246-272B-02100
Engineering
246-272B-02150
LOSS 14,500 gpd and below—Operating permit application and approval to construct
246-272B-02200
LOSS greater than 14,500 gpd—Operating permit application
246-272B-02250
LOSS greater than 14,500 gpd—Public notice
246-272B-02300
LOSS greater than 14,500 gpd—Operating permit and approval to construct
246-272B-02350
Construction
246-272B-02400
LOSS constructed on or before July 1, 1984
246-272B-02450
LOSS with current permit from department of ecology or local health jurisdiction
246-272B-02500
LOSS constructed after July 1, 1984, without current operating or discharge permit
246-272B-02550
LOSS modifications
246-272B-02650
Operating permit renewals
246-272B-02700
Operating permit requirements and conditions
246-272B-03000
Site review—Predesign report
246-272B-03100
Site review—Inspection
246-272B-03200
Environmental review—Site risk survey
246-272B-03300
Environmental review—Hydrogeology report
246-272B-03400
Soil characterization
246-272B-03500
Minimum land area
246-272B-04000
Engineering report
246-272B-04100
Management plan
246-272B-04200
Operations and maintenance manual
246-272B-04300
Monitoring and reporting plan
246-272B-04400
Plans and specifications
246-272B-05000
Installer qualifications and responsibilities
246-272B-05100
Construction oversight and testing
246-272B-05200
Water tightness testing of sewage tanks
246-272B-05300
Department final inspection
246-272B-05400
Post-construction documentation
246-272B-06000
General design requirements
246-272B-06050
Horizontal setbacks
246-272B-06100
Vertical separation
246-272B-06150
Design flows
246-272B-06200
Sewage characterization
246-272B-06250
Treatment
246-272B-06350
Drainfields
246-272B-06400
Design requirements to allow monitoring and maintenance
246-272B-06450
Sewage tanks
246-272B-06500
Collection, conveyance, and other piping appurtenances
246-272B-06550
Public domain and proprietary technologies
246-272B-06600
Pressure distribution
246-272B-06650
Subsurface drip systems
246-272B-06700
Sand-lined trenches and beds
246-272B-06750
Intermittent sand filters
246-272B-06800
Recirculating gravel filters
246-272B-06850
Cesspools and seepage pits
246-272B-06900
Holding tank sewage systems
246-272B-07000
Management requirements
246-272B-07050
Operations and maintenance requirements
246-272B-07100
Department inspections
246-272B-07150
Reliability and emergency response
246-272B-07200
Operator qualifications and responsibilities
246-272B-07250
Metering
246-272B-07300
Sewage tank management
246-272B-07400
Modifications
246-272B-07450
Failures
246-272B-07500
Abandonment
246-272B-07550
Connection to a sanitary sewer system
246-272B-08000
Waivers
246-272B-08100
Enforcement
246-272B-08105
Civil penalty schedule
246-272B-08200
Notice of decision, appeals, and adjudicative proceedings
246-272B-08300
Third-party appeals to department permit decisions for LOSS over 14,500 gpd and adjudicative proceedings
246-272B-09000
Severability