Septic Installer School

How to become a Licensed Septic Installer:

  • The Septic Installer Certification class is provided by Onsite Wastewater Professionals. Scroll down to register for the next class.

  • Level I & II: 6 Hours

    Level III: 9 Hours

    Level IV: 12 Hours

    Click here to register.
    Choose any 6-Hour “Continuing Education Workshop”

  • Mail your application for certification, certification fee, required course attendance certificates, and exam application (if applicable) to NCOWCICB P O Box 132 Lawsonville, NC 27022. Fees vary based on certification level:

    Level I: $150

    Level II: $200

    Level III: $250

    Level IV: $300

    Incomplete packages will be returned.

  • If you're aiming for Level III or IV certification, an exam is required. This exam is held four times a year and must be applied for 15 days in advance through the North Carolina Onsite Wastewater Contractor Inspector Certification Board (NCOWCICB).

  • Certifications expire on December 31st annually and require continuing education hours for renewal, due by November 15th:

    Level I & II: 3 hours of CE

    Level III & IV: 6 hours of CE

    Continuing Education Classes can be found under Classes & Events.

Grade Levels for the North Carolina Septic Installer License

Whether you're just beginning your journey or a veteran aiming to enhance your skills, we're here to assist. Embark on a path to become a licensed installer and complete your requirements in as little as three days—no prior education or experience necessary to kickstart your career. Register online for Installer School today!

Level 1

Limited

  • Generally not useful due to limitations. Most people getting into the industry should become Grade II through IV.

  • Single Septic Tank Conventional (Gravel) Gravity System Only

  • Requires 6-Hours of continuing education training after the 18-Hour Certification School.

  • No Exam Required

Most Popular

Level 2

Standard

  • Covers most of the systems installed in the state including any approved gravity or single pump dispersal system not specified in Grade Level III or IV - Includes: Multiple Tanks, Grease Traps, Single Pump or Single Siphon, Fill Systems, Sand Lined Trench

  • Requires 6-Hours of continuing education training after the 18-Hour Certification School

  • No exam required

Level 3

Intermediate

  • Everything in Grade I, II + Dual Pumps or Dual Siphons, Systems up to 3000GPD, Low-Pressure Dispersal, Flow Equalization, Any System requiring ground water lowering with a pump

  • Requires 9-Hours of continuing education training after the 18-Hour Certification School.

  • Exam Required

Unlimited

Level 4

Unlimited

  • Covers all subsurface wastewater system types.

  • >3000GPD Systems, Multiple Off-Site Systems, Industrial Process Wastewater

  • Drip Dispersal Systems

  • Wastewater Reuse Systems

  • Advanced Treatment Systems

  • Requires 12-hours of continuing education training after the 18-Hour Certification School.

  • Exam Required

Septic Installer Study Guide and Practice Exam

Brush up on topics you learned in Installer School before your exam for Level III or IV Installer. Includes copies of the rules, a study guide, video review and practice exam.