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Systems Reports and Guidance Documents
See Also
Aerobic Treatment Systems and Drainfields: What You Need to Know (pdf)
Septic Systems and Drainfields: What You Need to Know (pdf)
List of Licensed Idaho Septage Pumpers (pdf)
Non-Domestic Wastewater Application Checklist
Non-Profit O&M List for Extended Treatment Package Systems (pdf)
Individual/Subsurface
Sewage Disposal Rules
Design Checklist for Pressure Distribution Systems for Large Soil Absorption and Central Systems
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Water Quality Manager |
 |
Wastewater Management:
Technical Guidance Manual for Individual and
Subsurface Sewage Disposal Systems
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| This document
provides guidance on the design, construction, alteration, repair,
operation and maintenance of standard individual and subsurface
sewage systems, their components, and alternatives.
Note 1: This manual has been designed to print double-sided.
Note 2:
Some PDF files do not open properly due to computer
setting conflicts. If you have difficulty opening this or any
PDF file, try changing the default settings in Adobe Acrobat Reader. See DEQ's About PDF Files (specifically
Problem 1, suggestions D, E, and F) for guidance.
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Technical Guidance Manual for Individual and Subsurface Sewage Disposal Systems - Entire Manual (DEQ Publication Last Updated, November 6, 2009: pdf 3.6 mb, 213 pages).
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| View Technical Guidance Manual by section:
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| Cover Page, Table of Contents (Lists of Figures, Tables, Equations), List of Acronyms, Abbreviations, and Symbols |
407 kb, 10 pages |
| Chapter 1. Introduction |
62 kb, 2 pages |
| Chapter 2. Soils and Ground Water |
538 kb, 20 pages |
| Chapter 3. Standard Subsurface Disposal System Components |
150 kb, 10 pages |
| Chapter 4. Alternative Systems |
2.2 mb, 86 pages |
| Chapter 5. Approved Installers and Components |
79 kb, 24 pages |
| Chapter 6. Septic Tank Pumpers' Guidance Manual |
90 kb, 6 pages |
| Chapter 7. Operation and Maintenance Guidance for Alternative Systems |
78 kb, 4 pages |
| Chapter 8. Rules, Codes, and Policy |
390 kb, 44 pages |
| Glossary and References |
27 kb, 5 pages |
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| Below is a list of the changes that have been made to the document
since June 2000. (The links above contain the updates listed below.)
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| Date
Adopted |
Section
Description |
Page(s) |
| Nov. 6, 2009 |
Approved Septic Tanks: Updated list |
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| Nov. 6, 2009 |
Gravelless Trench Components |
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| Nov. 6, 2009 |
Extended Treatment Package Systems |
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| Nov. 6, 2009 |
Total Nitrogen Reduction Policy |
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| Sep. 30, 2009 |
Extra Drain Rock Trench |
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| Sep. 3, 2009 |
Standard Percolation Test: Updated |
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| Jun. 1, 2009 |
Approved Septic Tanks: Updated list |
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| Jun. 1, 2009 |
Approved Vault Toilets |
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| May 20, 2009 |
Approved Septic Tanks: Updated list |
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| May 8, 2009 |
Approved Septic Tanks: Updated list |
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| Apr. 15, 2009 |
Approved Septic Tanks: Updated list |
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| Feb. 10, 2009 |
Total Nitrogen Reduction Policy |
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| Jan. 30, 2009 |
Table 8. Constituent Mass Loadings and Concentrations in Typical Residential Wastewater: Updated |
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| Jan. 2, 2009 |
Extended Treatment Package Systems: Changes reporting date to no later than July 31 each year |
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Show Previous Updates
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Date Adopted |
Section Description |
Page(s) |
| Dec. 2, 2008 |
Approved Septic Tanks: Updated list. |
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| Oct. 9, 2008 |
Definitions: Updated. |
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| Oct. 3, 2008 |
Definitions: Updated. |
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| Oct. 2, 2008 |
Approved Septic Tanks: Updated list. |
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| Sep. 29, 2008 |
Approved Septic Tanks: Updated list. |
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| Sep. 12, 2008 |
Table of Contents: Updated |
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| Sep. 12, 2008 |
Rules for Individual and Subsurface Sewage Disposal Systems: Updated |
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| Sep. 12, 2008 |
Rules for Governing the Cleaning of Septic Tanks: Updated |
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| Sep. 12, 2008 |
Definitions: New Section |
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| Aug. 14, 2008 |
Approved Septic Tanks: Updated list. |
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| Jul. 28, 2008 |
Septic Tank Effluent Filters: Updated list. |
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| Apr. 29, 2008 |
Gravelless Trench Components: Updated list. |
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| Jan. 18, 2008 |
Approved Septic Tanks: Updated list. |
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| Dec. 3, 2007 |
Approved Septic Tanks: Updated list. |
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| Nov. 1, 2007 |
Total Nitrogen Reduction Policy |
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| Oct. 30, 2007 |
Gravelless Trench Components: Updated list. |
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| Oct. 30, 2007 |
Approved Septic Tanks: Updated list. |
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| Oct. 30, 2007 |
Incinerating Toilets: Updated list. |
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| Oct. 4, 2007 |
Extended Treatment Package Systems |
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| Jun. 1, 2007 |
Evapotranspiration Systems |
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| Dec. 7, 2006 |
Approved Septic Tanks: Updated list. |
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| Oct. 6, 2006 |
Approved Septic Tanks: Updated list. |
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| Aug. 22, 2006 |
Sand Mound |
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| Jul. 28, 2006 |
Extended Treatment Package Systems |
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| Jul. 5, 2006 |
Approved Septic Tanks: Updated list. |
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| Jun. 30, 2006 |
Total Nitrogen Reduction Policy |
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| Jun. 27, 2006 |
Approved Septic Tanks: Updated list. |
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| Jun. 12 , 2006 |
Approved Septic Tanks: Updated list. |
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| Apr. 26, 2006 |
Approved Septic Tanks: Updated list. |
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| Jan. 25, 2006 |
Standard Subsurface Disposal System Components |
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| Jan. 4, 2006 |
Gravelless Trench Components: Updated list. |
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| Nov. 22, 2005 |
Approved Septic Tanks: Updated list. |
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| Sept. 28, 2005 |
Gravelless Trench Components: Updated list. |
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| Aug. 22, 2005 |
Septic Tank Pump Vaults and Effluent Filters: Updated Lists |
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| Aug. 22, 2005 |
Approved Septic Tanks: Updated list. |
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| Aug. 9, 2005 |
Extra Drainrock Trench: Updated section. |
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| Aug. 5, 2005 |
Gravelless Trench Components: Updated list. |
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| Jan. 11, 2005 |
Approved Septic Tanks: Updated list. |
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| Oct. 13, 2004 |
Recirculating Gravel Filter: Updated section. |
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| Oct. 5, 2004 |
Drip Distribution System: New section. |
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| Oct. 5, 2004 |
Extended Treatment Package Systems: Updated list. |
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| Sept. 16, 2004 |
Graywater System: New section. |
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| Dec. 2, 2003 |
Pressure Distribution System Section |
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| May 14, 2001 |
Pipe Materials for Specified Uses: New list. |
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| Nov. 21, 2000 |
Non-Profit Corporation for Managing Small or Subsurface Wastewater Flow Systems: Monitoring requirements. |
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| Nov. 21, 2000 |
Extended Treatment Package Systems: Monitoring requirements. |
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| Nov. 21, 2000 |
Pressure Distribution System Section: In-tank pump systems. |
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| Nov. 21, 2000 |
Unstable Landforms: Addition to soils and ground water section. |
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| Nov. 21, 2000 |
TGC Policies-Draft: New section. |
(not included) |
| June 5, 2000 |
Soil Design Subgroup Corrections: Uniform fine sand modification. |
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| June 5, 2000 |
Septic Tanks and Dosing Chambers: Revised list. |
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| June 5, 2000 |
Drainfields: Revision to trench construction locations. |
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| June 5, 2000 |
Individual Lagoons: New requirement for lagoon seepage testing. |
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| June 5, 2000 |
Private System Designer: Revision requires designer to be either a professional engineer or an environmental health specialist. |
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| Technical Guidance Committee |
Committee Meeting Schedule |
Wednesday, November 4, 2009, 10 a.m. - 12 noon |
DEQ State Office
Conference Room A
1410 N. Hilton Boise, ID
> Link to Agenda
|
Conference Call Information for November 4, 2009
Conference call auto-attendant number:
- Extension 0101: inside DEQ phone system
- (208) 373-0101: outside callers
Participants call auto-attendant number and are then prompted to enter their pre-arranged conference call bridge number and in this case press the number 1. Once the bridge number has been entered, callers are automatically connected to their conference call. |
Meeting Minutes |
| Draft June 2009 (pdf 64 kb, 7 pages) |
| Final March 2009 (pdf 24 kb, 3 pages) |
| Final February 2009 (pdf 26 kb, 4 pages) |
Show Previous Minutes
| Final December 2008 (pdf 28 kb, 5 pages) |
Final August 2008 (pdf 85 kb, 3 pages)
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| Final July 2008 (pdf 298 kb, 11 pages) |
| Final June 2007 (pdf 107 kb, 2 pages) |
| Final March 2007 (pdf 581 kb, 20 pages) |
| Final November 2006 (pdf 202 kb, 4 pages) |
| Final November 2005 (pdf 51 kb, 13 pages) |
| Final April 2005 (pdf 71 kb, 5 pages) |
| Final December 2003
(pdf 254 kb, 29 pages) |
| Final December 2002
(pdf 946 kb, 64 pages) |
| Final December 2001
(pdf 241 kb, 48 pages) |
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