Deptartment of Health logo Washington State Department of Health
Septic and Sewage Publications
Click on "View" to download the publication. Updated: 05/01/12
PubNumber Title Languages Link
337-079 Additive Review Application for Approval English View
337-002 Alternating Drainfields - RS&G English View
337-076 Annual Renewal Form Proprietary Products with Affidavit English View
337-074 Application for Registration Proprietary Distribution Product English View
337-075 Application for Registration Proprietary Treatment Product English View
337-044 Application for Sewage Tank Registration English View
332-062 Assessment of Potential Health Impacts of Virus Discharge from Cruise Ships to Shellfish Growing Areas in Puget Sound English View
332-070 Atlas of Fecal Coliform Pollution in Commercial Shellfish Areas of Puget Sound: Year 2007 English View
337-083 Basic Principles of On-site Sewage English View
337-039 Chapter 246-272A WAC DOH Print Friendly Version English View
337-066 Chapter 246-272B WAC DOH Print Friendly Version English View
337-065 Chapter 246-272C WAC DOH Print Friendly Version English View
337-062 Chapter 246-274 WAC DOH Print Friendly Version English View
337-003 Design Guideline for Gravity Systems in Soil Type 1 English View
337-004 Dosing Gravity Drainfield Systems - RS&G English View
337-040 Evaluating the Effectiveness of Chapter 246-272A (2009) English View
332-066 Fecal Coliform Pollution in Burley Lagoon through 2007 English View
332-067 Fecal Coliform Pollution in Drayton Harbor through 2007  English View
332-068 Fecal Coliform Pollution in Dungeness Bay through 2007 English View
332-069 Fecal Coliform Pollution in Henderson Inlet and Nisqually Reach through 2007 English View
337-037 Frequently Asked Questions about Transfer of Large On-site Sewage Systems (LOSS) from Dept of Ecology to Dept of Health English View
337-021 Granting Waivers from State On-site Sewage Systems Regulations English View
337-005 Gravelless Distribution Products - RS&G English View
337-006 Holding Tank Sewage Systems - RS&G English View
337-051 How to Hire a Professional Engineer English View
337-007 Intermittent Sand Filter Systems - RS&G English View
337-058 Large On-site Sewage (LOSS) Engineering Report Checklist English View
337-049 Large On-site Sewage System (LOSS) Annual Maintenance and Monitoring Reporting Form English View
337-048 Large On-site Sewage System (LOSS) Construction Completion Report English View
337-082 Large On-site Sewage System (LOSS) Documents Cross Reference:  Health & Ecology English View
337-050 Large On-site Sewage System (LOSS) Existing System Questionnaire English View
337-080 Large On-site Sewage System (LOSS) Existing System Review and Operating Permit Process Flowchart English View
337-069 Large On-site Sewage System (LOSS) Level 1 Nitrate Balance Instructions English View
337-070 Large On-site Sewage System (LOSS) Level 1 Nitrate Balance Spreadsheet English View
337-047 Large On-site Sewage System (LOSS) New Project Review & Approval Process Flowchart English View
337-081 Large On-site Sewage System (LOSS) Plans & Specifications Checklist English View
337-055 Large On-site Sewage System (LOSS) Project Submittal Form English View
337-032 Large On-site Sewage System (LOSS) Regulatory Authority Fact Sheet English View
337-068 Large On-site Sewage System (LOSS) Site Risk Survey English View
337-036 Large On-site Sewage Systems - Glossary of Terms English View
337-073 Large On-site Sewage Systems (LOSS) Inspection and Engineering Evaluation Guidance for Existing Systems English View
337-071 Large On-site Sewage Systems (LOSS) Predesign Report Requirements English View
337-091 Large On-site Sewage Systems (LOSS) Renewing Your LOSS Operating Permit English View
337-023 List of Approved On-site Septic Tanks English View
337-025 List of Approved On-site Sewage System Additives English View
337-024 List of Registered On-site Treatment and Distribution Products English View
337-046 List of Registered Sewage Tanks English View
822-022 Local Public Health Indicators website English View
337-052 Management of Large On-site Sewage Systems (LOSS) English View
337-085 Marine Recovery Area Guidance English View
337-008 Mound Systems - RS&G English View
337-093 Nitrogen-reducing Technologies for Onsite Wastewater Treatment Systems English View
337-NonDOH O&M, the Good, the Bad, and the Ugly English View
337-084 On-site Sewage System Management Plan Guidance English View
337-092 On-site Wastewater Advisory Committee - Summary Report English View
337-056 Operating Permit Application Large On-site Sewage System English View
337-NonDOH Pipeline Separation Design and Installation Reference Guide - Version 9 English View
337-009 Pressure Distribution - RS&G English View
337-010 Proprietary Treatment Products - RS&G English View
337-035 Puget Sound Local On-site Sewage Management Plans - A Report to the Legislature English View
337-011 Recirculating Gravel Filters Systems - RS&G English View
337-028 Recommended Standards and Guidance - Glossary of Terms English View
337-057 Regulatory Authority of Large On-site Sewage Systems (LOSS) Chapter 70.118B RCW English View
337-012 Remediation Technologies and Processes - INTERIUM RS&G English View
337-013 Sand Lined Trench Systems - RS&G English View
337-014 Stratified Sand Filters Treatment Systems - RS&G English View
337-015 Subsurface Drip Systems - RS&G English View
822-020 Summary of 2008 Public Health Activities and Services Pilot Inventory Results English View
337-077 Tier One Greywater System Checklist and Irrigation Area Estimation Tool - DOH English View
337-064 Transfer of Large On-site Sewage Systems from Thurston County to Department of Health English View
337-088 Understanding and Caring for Your Mound System English View
337-087 Understanding and Caring for Your Pressure Distribution System English View
337-089 Understanding and Caring for Your Sand Filter System English View
337-086 Understanding and Caring for Your Septic Tank System English View
337-045 Verification Affidavit for Renewal of Sewage Tank Listing English View
337-097 Wastewater Technical Issue Report - Disposal Treatment Options - Highly Pretreated Effluent DRAFT English View
337-098 Wastewater Technical Issue Report – Failing Systems DRAFT English View
337-108 Wastewater Technical Issue Report - Greywater Reuse in Washington State English View
337-099 Wastewater Technical Issue Report – Hydraulic Loading DRAFT English View
337-100 Wastewater Technical Issue Report – Linear Loading Rates DRAFT English View
337-101 Wastewater Technical Issue Report – Minimum Lot Size English View
337-102 Wastewater Technical Issue Report – Organic Loading Rates DRAFT English View
337-103 Wastewater Technical Issue Report – Residential Flow Rates DRAFT English View
337-104 Wastewater Technical Issue Report – Sand and Media Specifications DRAFT English View
337-105 Wastewater Technical Issue Report – Septic Tank Effluent Values DRAFT English View
337-106 Wastewater Technical Issue Report – Type 1A Soil Issues DRAFT English View
337-107 Wastewater Technical Issue Report – Wastewater Quality / Strength / Content DRAFT English View
337-095 Wastewater Technical Issues Report - Application of Treatment Standards 1 and 2 DRAFT English View
337-096 Wastewater Technical Issues Report - Disposal Component Reductions - Special Features and Applications of Drainfield Products DRAFT English View
337-016 Water Conserving On-site Wastewater Treatment Systems - RS&G English View
337-090 What is a Large On-site Sewage System English View