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Chapter 246-272A WAC

Last Update: 8/2/10

ON-SITE SEWAGE SYSTEMS

WAC Sections

PURPOSE AND ADMINISTRATION
Purpose, objectives, and authority.
Administration.
Definitions.
Local management and regulation.
GENERAL REQUIREMENTS
Applicability.
Connection to public sewer system.
SEWAGE PRODUCTS AND TECHNOLOGIES
Sewage technologies.
Proprietary treatment products—Certification and registration.
Proprietary treatment product registration—Process and requirements.
Transition from the list of approved systems and products to the registered list—Treatment products.
Bacteriological reduction.
Transition from the list of approved systems and products to the registered list—Bacteriological reduction.
Proprietary distribution products—Certification and registration.
Proprietary distribution product registration—Process and requirements.
Transition from the list of approved systems and products to the registered list—Distribution products.
Product development permits.
Transition from the experimental system program to application for product registration.
SPECIFIC REQUIREMENTS
Permit requirements.
Location.
Soil and site evaluation.
Design requirements—General.
Design requirements—Septic tank sizing.
Design requirements—Soil dispersal components.
Design requirements—Facilitate operation, monitoring and maintenance.
Holding tank sewage systems.
Installation.
Inspection.
Record drawings.
Operation, monitoring, and maintenance—Owner responsibilities.
Operation, monitoring, and maintenance—Food service establishments.
Repair of failures.
Expansions.
Abandonment.
Septage management.
Developments, subdivisions, and minimum land area requirements.
Certification of installers, pumpers, and maintenance service providers.
Technical advisory committee.
Policy advisory committee.
Waiver of state regulations.
Required rule review.
Enforcement.
Notice of decision—Adjudicative proceeding.
Severability.