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Chapter 246-272B WAC

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LARGE ON-SITE SEWAGE SYSTEM REGULATIONS

WAC Sections

PART 1: GENERAL PROVISIONS
HTMLPDF246-272B-01000Purpose and objectives.
HTMLPDF246-272B-01100Acronyms and definitions.
HTMLPDF246-272B-01200Applicability and relationship to other statutes and regulations.
HTMLPDF246-272B-01300General requirements.
PART 2: APPROVAL AND PERMITTING PROCESS
Subpart A - New Construction
HTMLPDF246-272B-02000Site review—Predesign report, soil characterization, and site inspection.
HTMLPDF246-272B-02050Environmental review—Site risk survey and hydrogeology report.
HTMLPDF246-272B-02100Engineering.
HTMLPDF246-272B-02150LOSS 14,500 gpd and below—Operating permit application and approval to construct.
HTMLPDF246-272B-02200LOSS greater than 14,500 gpd—Operating permit application.
HTMLPDF246-272B-02250LOSS greater than 14,500 gpd—Public notice.
HTMLPDF246-272B-02300LOSS greater than 14,500 gpd—Operating permit and approval to construct.
HTMLPDF246-272B-02350Construction.
Subpart B - First Department Operating Permit for Existing LOSS
HTMLPDF246-272B-02400LOSS constructed on or before July 1, 1984.
HTMLPDF246-272B-02450LOSS with current permit from department of ecology or local health jurisdiction.
HTMLPDF246-272B-02500LOSS constructed after July 1, 1984, without current operating or discharge permit.
Subpart C - Permitted LOSS
HTMLPDF246-272B-02550LOSS modifications.
HTMLPDF246-272B-02650Operating permit renewals.
HTMLPDF246-272B-02700Operating permit requirements and conditions.
PART 3: SITE AND ENVIRONMENTAL REVIEW REQUIREMENTS
Subpart A - Site Review
HTMLPDF246-272B-03000Site review—Predesign report.
HTMLPDF246-272B-03100Site review—Inspection.
Subpart B - Environmental Review
HTMLPDF246-272B-03200Environmental review—Site risk survey.
HTMLPDF246-272B-03300Environmental review—Hydrogeology report.
Subpart C - Site Standards
HTMLPDF246-272B-03400Soil characterization.
HTMLPDF246-272B-03500Minimum land area.
PART 4: ENGINEERING REQUIREMENTS
HTMLPDF246-272B-04000Engineering report.
HTMLPDF246-272B-04100Management plan.
HTMLPDF246-272B-04200Operations and maintenance manual.
HTMLPDF246-272B-04300Monitoring and reporting plan.
HTMLPDF246-272B-04400Plans and specifications.
PART 5: CONSTRUCTION REQUIREMENTS
HTMLPDF246-272B-05000Installer qualifications and responsibilities.
HTMLPDF246-272B-05100Construction oversight and testing.
HTMLPDF246-272B-05200Water tightness testing of sewage tanks.
HTMLPDF246-272B-05300Department final inspection.
HTMLPDF246-272B-05400Post-construction documentation.
PART 6: DESIGN AND TECHNICAL STANDARDS
Subpart A - General Requirements
HTMLPDF246-272B-06000General design requirements.
HTMLPDF246-272B-06050Horizontal setbacks.
HTMLPDF246-272B-06100Vertical separation.
HTMLPDF246-272B-06150Design flows.
HTMLPDF246-272B-06200Sewage characterization.
HTMLPDF246-272B-06250Treatment.
HTMLPDF246-272B-06350Drainfields.
HTMLPDF246-272B-06400Design requirements to allow monitoring and maintenance.
HTMLPDF246-272B-06450Sewage tanks.
HTMLPDF246-272B-06500Collection, conveyance, and other piping appurtenances.
Subpart B - Specific Technologies
HTMLPDF246-272B-06550Public domain and proprietary technologies.
HTMLPDF246-272B-06600Pressure distribution.
HTMLPDF246-272B-06650Subsurface drip systems.
HTMLPDF246-272B-06700Sand-lined trenches and beds.
HTMLPDF246-272B-06750Intermittent sand filters.
HTMLPDF246-272B-06800Recirculating gravel filters.
HTMLPDF246-272B-06850Cesspools and seepage pits.
HTMLPDF246-272B-06900Holding tank sewage systems.
PART 7: LOSS OPERATIONS REQUIREMENTS
Subpart A - Routine Operations
HTMLPDF246-272B-07000Management requirements.
HTMLPDF246-272B-07050Operations and maintenance requirements.
HTMLPDF246-272B-07100Department inspections.
HTMLPDF246-272B-07150Reliability and emergency response.
HTMLPDF246-272B-07200Operator qualifications and responsibilities.
HTMLPDF246-272B-07250Metering.
HTMLPDF246-272B-07300Sewage tank management.
Subpart B - LOSS Changes
HTMLPDF246-272B-07400Modifications.
HTMLPDF246-272B-07450Failures.
HTMLPDF246-272B-07500Abandonment.
HTMLPDF246-272B-07550Connection to a sanitary sewer system.
PART 8: WAIVERS, ENFORCEMENT, AND APPEALS
HTMLPDF246-272B-08000Waivers.
HTMLPDF246-272B-08100Enforcement.
HTMLPDF246-272B-08200Notice of decision, appeals, and adjudicative proceedings.
HTMLPDF246-272B-08300Third-party appeals to department permit decisions for LOSS over 14,500 gpd and adjudicative proceedings.
PART 9: SEVERABILITY
HTMLPDF246-272B-09000Severability.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS TITLE
246-272B-00101Purpose, objectives, and authority. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-00101, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-00501Administration. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-00501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-01001Definitions. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-01001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-03001Applicability. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-03001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.02 0and chapter 70.118B RCW.
246-272B-07001Connection to public sewer system. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-07001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-08001Application and approval process. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-08001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-09501Location. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-09501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-11001Soil and site evaluation. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-11001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-11501Design. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-11501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-12501Holding tank sewage systems. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-12501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-13501Installation. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-13501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-15501Operation and maintenance. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-15501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-16501Repair of failures. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-16501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-17501Expansions. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-17501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-18501Abandonment. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-18501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-19501Septage management. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-19501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-20501Developments, subdivisions, and minimum land area requirements. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-20501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-21501Areas of special concern. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-21501, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-24001State advisory committee. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-24001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-25001Waiver of state regulations. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-25001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-26001Enforcement. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-26001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-27001Notice of decision—Adjudicative proceeding. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-27001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-28001Severability. [Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-28001, filed 11/5/03, effective 12/6/03.] Repealed by WSR 11-12-050, filed 5/26/11, effective 7/1/11. Statutory Authority: RCW 70.118B.020 and chapter 70.118B RCW.
246-272B-990Fees. [Statutory Authority: RCW 43.70.110 and 43.70.250. WSR 06-20-078, § 246-272B-990, filed 10/2/06, effective 1/1/07. Statutory Authority: RCW 43.20.050. WSR 03-22-098, § 246-272B-990, filed 11/5/03, effective 12/6/03.] Repealed by WSR 10-16-108, filed 8/2/10, effective 9/2/10. Statutory Authority: RCW 43.70.110, 43.70.250, 43.20B.020, and 2010 c 37. Later promulgation, see chapter 246-272 WAC.
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