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Useful Links Related to Greywater Reuse, Recycling and Water Conservation

Related Rules & Regulations

Chapter 246-274 WAC - Greywater Reuse for Subsurface Irrigation

Chapter 51-56-1600 WAC - Washington State Plumbing Code - Gray Water Systems

Chapter 90.46 RCW - Reclaimed Water Use

Designing Greywater Systems

Tier One Greywater System Checklist and Irrigation Area Estimation Tool- DOH (PDF 858 kb) - September 2011

Tier Two and Three Greywater Subsurface Irrigation Systems Guidance (PDF 650 kb) - September 2011

Oasis Design

Greywater Gardening

Greywater Gardening Presentation

A Green Affordable Housing Coalition Fact Sheet

Greywater & Water Conservation Information

Characteristics of Greywater - Summary of Literature

Characteristics of Greywater - Technical Memorandum

Drought Information - from Department of Health's Office of Drinking Water

Saving Water - Washington State's Drinking Water for Kids!

Water Conserving On-site Wastewater Treatment Systems

Water Use Efficiency - from Department of Health's Office of Drinking Water

Water Sense - an EPA Partnership Program

Information About Soils and Greywater

Bioretention Soil Mix Review and Recommendations for Western Washington

Low Impact Development, Technical Guide Manual for Puget Sound

Soils for Salmon: Integrating Stormwater, Water Supply, and Solid Waste Issues in New Development and Existing Landscapes

Washington Irrigation Guide

Information About Irrigation and Greywater

AgriMet - The Pacific Northwest Cooperative Agricultural Weather Network

Irrigation in the Pacific Northwest

Washington Irrigation Guide

Contact Information

• For general questions about greywater reuse you may contact:

Lynn Schneider (lynn.schneider@doh.wa.gov)
(360) 236-3379