Septic Systems

Septic Systems

Proper design, operation, and maintenance of individual and subsurface sewage disposal systems are necessary to prevent contamination and to maintain the quality of groundwater and surface water resources. These systems are regulated by the Idaho Dept. of Environmental Quality (DEQ) Rules for Individual and Subsurface Sewage Disposal Systems. Public Health - Idaho North Central District provides the following services: On-site Sewage Disposal System

  • Issue permits for all new and repaired septic systems. See forms below to download and fill out the Sewage Permit for Site Evaluations.
  • Enforce DEQ Rules for Individual and Subsurface Sewage Disposal Systems.
  • Conduct site evaluations to determine the suitability of sites for installation of on-site sewage disposal systems.
  • Issue permits for installation of on-site sewage system (septic tank systems).
  • Perform inspections of on-site sewage inspection to determine compliance with regulations.
  • Investigate sewage complaints and recommend corrective actions.

Septic Installer Training Class Schedule

January 17th, 9:00 a.m. - Lewiston office
January 24th, 10:00 a.m. - Moscow office
January 31st, 9:30 a.m. - Orofino office
February 21st, 9:00 a.m. - Lewiston office
March 3, 8:30 a.m. - Grangeville office

At all training course, basic installer training will be covered first, followed by complex installer training at the conclusion of basic installer training.  Attending training or taking the exam is required every 3 years, so plan on attending one of our courses!

Please call to register as seating in some locations will be very limited!

Course size is limited, so please contact your local Public Health Office to reserve a place in the course you plan on attending!

Sewage System Application Forms

Sewage System Installer Training

Basic Sewage Installer Training PDF Icon (13 MB)

Complex Sewage Installer Training PDF Icon (10 MB)

Basic On-site Sewage Disposal System Installer Training Contact our office at 208-799-3100 for more information and to register.

Public Health - Idaho North Central District
215 10th Street
Lewiston, ID 83501

Phone: (208) 799-3100
Fax: (208) 799-0349

Idaho Careline: 211

To report a Public Health risk, Contact Public Health 24/7 here.
For medical emergencies dial 911.


All information is general in nature and is not intended to be used as a substitute for appropriate professional advice.

For more information please call (208) 799-3100 or Idaho Careline: 211.

Idaho Public Health

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