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Wastewater Management Publications - Listed by Topic Area

Approved On-site Products for use in Washington State

Home Owner / Property Manager Publications

Large On-site Sewage Systems (LOSS) Application Forms and Publications

Newsletters Newsletters issued by the Wastewater Management Section

On-site Rules and Regulations (WAC and RCW)

Recommended Standards and Guidance (RS&G) Documents

Technical Information and References for on-site industry professionals, local health jurisdictions, and the public

Technical Issue Reports summarize the available literature about on-site wastewater topics of special interest

View publications alphabetically

Approved On-site Products

• Application to Register Proprietary On-site Distribution Products (PDF 166 kb) - October 2009

• Application to Register Proprietary On-site Treatment Products (PDF 170 kb) - October 2009

• Proprietary Product Registration Renewal - Verification Affidavit (PDF 36 kb) - October 2008

• List of Registered On-site Treatment and Distribution Products (PDF 209 kb) - Updated October 2009

• List of Approved On-site Sewage Disposal System Additives (PDF 91 kb) - Updated September 22, 2009
  NOTE: Approval by DOH only means that DOH has determined that the additive is not harmful or toxic; it does not mean that DOH endorses the use of any additive product for sewage systems.

• List of Approved On-site Sewage Tanks (PDF 139 kb) - Updated October 26, 2009

Home Owner / Property Manager Publications

• A Homeowners Guide to Evaluating Service Contracts (PDF 176 kb) - August 2006. Developed and published by The Consortium of Institutes for Decentralized Wastewater Treatment

• Cleaning Up a Sewage Spill

• On-sites Online (PDF 151 kb) - September 2006

• Septic Systems - What to Do After the Flood - EPA

• Septic Tank Additives (Questions and Answers) (PDF 121 kb) - from The Small Flows Quarterly, Winter 2002, reprinted with permission from the National Small Flows Clearinghouse, West Virginia University

• Understanding and Caring for Your Mound System (PDF 276 kb) - Revised December 2004

• Understanding and Caring for Your Pressure Distribution System (PDF 309 kb) - Revised December 2004

• Understanding and Caring for Your Sand Filter System (PDF 350 kb) - Revised December 2004

• Understanding and Caring for Your Septic Tank System (PDF 270 kb) - Revised December 2004

• Water Conservation Using Greywater fact sheet (PDF 163 kb) - Revised May 2005

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LOSS (Large On-site Sewage Systems) Application Forms and Publications

• Construction Report Form for LOSS (PDF 146 kb) - Revised November 2006

• Criteria for Sewage Works Design (Orange Book) - WA Dept of Ecology

• Design Standards for Large On-Site Sewage Systems (RS&G) (PDF 882 kb) - Amended July 1994

• Fact Sheet: LOSS Regulatory Authority (PDF 52 kb) - January 2008

• Fees and Billable Hours for LOSS

• Flowchart on the LOSS Project Application Process (PDF 91 kb) - May 2002

• Glossary of Terms for Large On-site Sewage Systems (PDF 30 kb) - March 2009

• Large LOSS Annual Operating Permit Application (Word 371 kb) for systems from 14,500 to 100,000 gallons per day - Revised November 2009

• Maintenance Log / Annual Reporting Form for LOSS (PDF 514 kb)

• Management Agreement:  Municipal Management / Oversight (PDF 225 kb) - February 2003

• Management Agreement:  Single Ownership (PDF 136 kb) - February 2003

• Management and Maintenance Guidelines for LOSS (PDF 133 kb) - June 2004

• Nitrate Balance Requirements for Large On-site Sewage Systems (PDF 36 kb) - September 2009

• Project Pre-design Document for LOSS (PDF 25 kb) - November 2006

• Pressure Distribution Systems RS&G (PDF 498 kb) - Effective July 2007

• Project Review Checklist for LOSS (PDF 1.3 mb) - June 2006

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Newsletters

These are newsletters issued by the Wastewater Management Section twice each year. The first issue (Winter 2008) was titled As it Flows. The title was changed to WWMS News starting with the Summer 2009 issue.

• Winter 2008
• Summer 2009

On-site Rules and Regulations Currently in Effect

• Regulations for On-site Sewage Systems Chapter 246-272A WAC

  • Print Friendly Version of Chapter 246-272A WAC (PDF 379 kb) - Formatted September 2009

• Regulations for Large On-site Sewage Systems Chapter 246-272B WAC

• Regulations for On-site Sewage System Additives Chapter 246-273 WAC

• On-site Sewage Disposal Systems Chapter 70.118 RCW

• On-site Sewage Disposal Systems - Marine Recovery Areas Chapter 70.118A RCW

• State Board of Health - Delegation of Authority Chapter 43.20.050 RCW

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On-site Rules and Regulations Under Development

• Greywater Reuse Rule Development Activities

• Large On-site Sewage System (LOSS) Rule Development Activities

• On-site Sewage System (Septic) Tanks Rule Development

RS&Gs (Recommended Standards and Guidance) Documents

• Alternating Drainfields (PDF 142 kb) - July 2007

• Design Standards for Large On-Site Sewage Systems (PDF 882 kb) - Amended July 1994

• Dosing Gravity Drainfield Systems (PDF 142 kb) - July 2007

• Glossary of Terms for RS&Gs (PDF 142 kb) - July 2007

• Glendon _® BioFilters (PDF 142 kb) - July 2009

• Gravelless Distribution Products (PDF 142 kb) - July 2007

• Holding Tank Sewage System (PDF 142 kb) - July 2007

• Intermittent Sand Filter Systems (PDF 142 kb) - July 2007

• Mound Systems (PDF 2.2 kb) - July 2009

• On-site Sewage System Tanks (PDF 142 kb) - July 2007

• Pressure Distribution Systems (PDF 391 kb) - July 2009

• Proprietary On-site Wastewater Treatment Products (PDF 142 kb) - July 2007

• Recirculating Gravel Filter Systems (PDF 142 kb) - July 2007

• Remediation Technologies and Processes (INTERIM) (PDF 142 kb) - September 2007

• Sand Lined Trench Systems (PDF 311 kb) - July 2009

• Stratified Sand Filter Treatment Systems (PDF 142 kb) - July 2007

• Subsurface Drip Systems (PDF 142 kb) - July 2007

• Water Conserving On-site Wastewater Treatment Systems (PDF 142 kb) - July 2007

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Technical Information and References

• Basic Principles of Onsite Sewage (PDF 5.4 MB) - November 1992. This document was prepared prior to the adoption of the 1995 on-site sewage rules. For items specific to Washington State rules see Chapter 246-272A WAC

• Design Guideline for Gravity Systems in Soil Type 1 (PDF 1.1 MB) - January 2009

• EPA Design Manual, Onsite Wastewater Treatment and Disposal Systems (PDF 15.4 MB) - October 1980. Referenced in Chapter 246-272B WAC, which governs large on-site wastewater treatment systems.

• EPA Onsite Wastewater Treatment Systems Manual (PDF 534 kb) - February 2002. Referenced in Chapter 246-272A WAC, which governs on-site wastewater treatment systems.

• Evaluate the Effectiveness of Chapter 246-272A WAC, the 2009 report as required by Chapter 246-272A-0425.

  • Presentation to the State Board of Health

  • Briefing Paper

  • Survey Summary

• Granting Waivers from State On-Site Sewage System Regulations, An Application Guide for (PDF 345 kb) - Effective July 2007 Revised September 2009

• Marine Recovery Area (MRA) Guidance: Supplemental to the On-Site Sewage System Management Plan Guidance (PDF 607 kb) - October 2006

• Nitrogen Reducing Technologies for Onsite Wastewater Treatment Systems Report (PDF 734 kb) - June 2005

• O & M, The Good, The Bad, and The Ugly (PDF 104 kb) - September 2003. Presented by Jerry Deeter (Kitsap County Environmental Health Director) at the 2003 On-site Wastewater Treatment Short Course sponsored by University of Washington.

• On-Site Management Plan Guidance for Local Health (PDF 1.2 MB) - June 2006

• On-Site Wastewater Advisory Committee Summary Report (PDF 103 kb) - September 2001

• Pipeline Separation Design and Installation Reference Guide Version 9 (PDF 1.26 MB) - May 2006 Co-authored with Washington State Department of Ecology

• Puget Sound Local On-site Sewage Management Plans - A Report to the Legislature - May 2009 The 2008 Progress Report Fulfilling 3SHB 1458 Requirements - Section 11

• Vertical Separation (PDF 51 kb) - October 1990. A review of available scientific literature and a listing from fifteen other states.

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Technical Issue Reports

The following Technical Issue (DRAFT) Reports summarize the available literature about on-site wastewater topics of special interest during the rule development process of the current on-site sewage system rules and regulations (WAC 246-272A). Please note that these reports are drafts and may undergo modification from time to time.

• Application of Treatment Standards 1 and 2 (PDF 534 kb) - March 29, 2002

• Disposal Component Reductions - Special Features and Applications of Drainfield Products (PDF 104 kb) - April 17, 2002

• Disposal Treatment Options - Highly Pretreated Effluent (PDF 90 kb) - January 31, 2002

• Failing Systems (PDF 80 kb) - June 2002

• Hydraulic Loading Rates (PDF 504 kb) - January 30, 2002

• Linear Loading Rates (PDF 127 kb) - January 2003

• Minimum Lot Size (PDF 86 kb) - August 2002

• Organic Loading Rates (PDF 404 kb) - April 17, 2002

• Residential Flow Rates (PDF 558 kb) - May 31, 2002

• Sand and Media Specifications (PDF 105 kb)  - November 26, 2002

• Septic Tank Effluent Values (PDF 121 kb) - February 1, 2004

• Type 1 A Soil Issues (PDF 684 kb) - July 31, 2002

• Wastewater Quality / Strength / and Content (PDF 314 kb) - April 16, 2002

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This page contains links to documents that may be in one of the following formats:

• .pdf  (Adobe Acrobat Reader),

• .doc  (Word),
• .ppt  (PowerPoint),
• .xls  (Excel),
• etc....;

If your computer is not able to read these formats, you may visit the DOH Viewer Page to locate the appropriate free viewer or converter to download to your computer.

For copies of the above Wastewater Management Section publications, or to request document in other formats, please contact the Wastewater Management Section at (360) 236-3062 or e-mail wastewatermgmt@doh.wa.gov.

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Last Update: 11/09/2009 09:43 AM