Chapter 246-272B. Large on-site sewage system regulations.  


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