Washington Administrative Code
2022 Archive

Chapter 246-274 WAC
Last Update: 3/9/22

GREYWATER REUSE FOR SUBSURFACE IRRIGATION
PDF of Chapter Digest
WAC Sections
246-274-001Purpose—Intent.
246-274-003Applicability.
246-274-005Other applicable requirements.
246-274-007Administration.
246-274-009Definitions.
246-274-011Greywater irrigation systems—General requirements.
246-274-100Tier 1 greywater irrigation systems.
246-274-200Tier 2 greywater irrigation systems.
246-274-300Tier 3 greywater irrigation systems.
246-274-400Greywater reuse treatment technologies—Tier 3 greywater irrigation systems.
246-274-405Location.
246-274-410Design requirements—General—Tier 2 and Tier 3 greywater irrigation systems.
246-274-415Design requirements—Irrigation field components—Tier 2 and Tier 3 greywater irrigation systems.
246-274-420Soil and site evaluation—Tier 2 and Tier 3 greywater irrigation systems.
246-274-425Installation permit requirements—Tier 2 and Tier 3 greywater irrigation systems.
246-274-430Installers—Tier 2 and Tier 3 greywater irrigation systems.
246-274-435Installation inspection—Tier 2 and Tier 3 greywater irrigation systems.
246-274-440Operation and maintenance—Tier 2 and Tier 3 greywater irrigation systems.
246-274-445Failures.
246-274-450Enforcement.
246-274-455Hearings.
246-274-460Waivers.
246-274-465Effective date.