Washington Administrative Code
Title 246 - Health, Department of
SEWER SYSTEMS
Chapter 246-272B - Large on-site sewage system regulations
Part 5 - CONSTRUCTION REQUIREMENTS
- 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
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