Washington Administrative Code
Title 246 - Health, Department of
WATER SYSTEMS
Chapter 246-290 - Group A public water supplies
Part 6 - SURFACE WATER TREATMENT
Subpart D - Requirements for Other Unfiltered Systems
- Section 246-290-686 - Compliance requirements for unfiltered systems
- Section 246-290-690 - Criteria to remain unfiltered
- Section 246-290-691 - Criteria for unfiltered systems with a "limited alternative to filtration" to remain unfiltered
- Section 246-290-692 - Disinfection for unfiltered systems
- Section 246-290-694 - Monitoring for unfiltered systems
- Section 246-290-696 - Reporting for unfiltered systems
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