2025 Initial Certification Class Schedule
Note: Aerobic Drip, Spray Irrigation, CSE & Lagoon Classes (10:00-12:00)
| Location | Date of Class | Registration Deadline |
|---|---|---|
| CSE | ||
| OKC | February 6, 2025 | January 28, 2025 |
| Online-Zoom | April 3, 2025 | March 28, 2025 |
| Tulsa | June 5, 2025 | May 30, 2025 |
| Online-Zoom | August 7, 2025 | August 1, 2025 |
| OKC | October 9, 2025 | October 3, 2025 |
| Aerobic Drip | ||
| OKC | February 20, 2025 | February 14, 2025 |
| Tulsa | October 23, 2025 | October 17, 2025 |
| Aerobic Spray | ||
| OKC | January 9, 2025 | January 3, 2025 |
| Online-Zoom | March 6, 2025 | February 28, 2025 |
| McAlester | May 1, 2025 | April 25, 2025 |
| Tulsa | July 10, 2025 | July 3, 2025 |
| Online-Zoom | September 4, 2025 | August 29, 2025 |
| OKC | October 30, 2025 | October 24, 2025 |
| Lagoon | ||
| Tulsa | April 10, 2025 | April 4, 2025 |
| Online-Zoom | August 21, 2025 | August 15, 2025 |
Initial Certification Exams
Exams are temporarily unavailable.
- ECLS Certified Installer CSE Exam
- ECLS Certified Installer Aerobic with Drip Irrigation Exam
- ECLS Certified Installer Aerobic with Spray Exam
- ECLS Certified Installer Lagoon Exam
Certified Installer Renewal Training
Here are the links to the approved renewal training providers.
- Oklahoma On-site Wastewater Association
OOWA Home Page - National On-site Wastewater Recyclers Association
NOWRA Course Descriptions - National Association of Wastewater Technicians
Training Sessions - Water & Wastewater Equipment, Treatment, & Transport Show
WWETT Home Page
Oklahoma State University Extension Program
The OSU Division of Agriculture & Natural Resources offers programs related to human and animal health, 4-H Youth Development, community and rural development, and other topics.
Fact sheets available on the site offer comprehensive information on a wide range of topics related to agriculture, nutrition, natural resources, and more.
Click Here to visit the OSU Extension Site.
Last Modified on
Nov 12, 2025
