Septic System Reports and Guidance Documents

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Wastewater: Land Development Approaches

Individual/Subsurface Sewage Disposal Rules (IDAPA 58.01.03)
(pdf on Department of Administration Web site)

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Wastewater Management:
Septic System Reports and Guidance Documents

Resources

Aerobic Treatment Systems and Drainfields: What You Need to Know (DEQ Publication, May 2007: pdf 209 kb, 2 pages)
Manufacturers, Septic Tank: List of Approved (DEQ Publication, October 2003: pdf 87 kb, 4 pages)
Nutrient-Pathogen Evaluation Program for On-Site Wastewater Treatment Systems (DEQ Publication, May 2002: pdf 365 kb, 26 pages) Describes DEQ's site evaluation requirements for individuals seeking permits to install septic systems for large soil absorption systems and community septic systems in nitrate priority areas. Also see Excel spreadsheet for Level 1 evaluations.
Pressure Distribution Systems for Large Soil Absorption and Central Systems, Design Checklist (DEQ Publication, June 2002: Word format) Use this checklist when designing and reviewing the design of pressure distribution systems for large or central septic systems.
Pumpers, Septic Tank: List of Licensed
Septic Systems, A Guide to Community (DEQ Publication, February 2002: pdf 249 kb, 11 pages)
Septic Systems, A Homeowner's Guide to (DEQ Publication, January 2001: pdf 107 kb, 9 pages)
Septic Systems and Drainfields: What You Need to Know (DEQ Publication, May 2007: pdf 126 kb, 2 pages)
Technical Guidance Manual for Individual and Subsurface Sewage Disposal Systems (DEQ Publication Last Updated, November 2004: pdf 2.2 mb, 201 pages) Guidance on the design, construction, alteration, repair, operation and maintenance of standard individual and subsurface sewage systems, their components, and alternatives.
›	Link to related DEQ Web page with list of changes since the manual was first published in June 2000 and meeting minutes of the Technical Guidance Committee for Individual/ Subsurface Sewage Treatment and Distribution.

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