Continuing Education Classes
MSO provides top-notch continuing education seminars about wastewater topics and technical troubleshooting. Our classes travel around the state to make traveling easier for you. We offer various topics and are always looking for more class topics.
Looking for online education? See our Online Classes webpage.
Looking for online education? See our Online Classes webpage.
Purchase or Renew Membership:
Renew or purchase membership online through our database,
Pipevine Tracks.
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Pipevine Tracks.
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Track your own CEUs. DHSS no longer has the capacity to take phone calls/emails to give you your CEU balance. Use this tool below to track your own CEUs. You may always call the MSO Office with questions as well.
CEU Tracking Tool - more information is available on the DHSS website
CEU Tracking Tool - more information is available on the DHSS website
Try the new Member Portal to Register for Classes!
Log in Here!
2025 MSO Seminar Schedule
This is updated as more classes are scheduled.
See seminar refund policy at the bottom of the webpage.
This is updated as more classes are scheduled.
See seminar refund policy at the bottom of the webpage.
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Inspecting Tanks, Lagoons & LPP
Location: Imperial, Ganey Engineering Date: May 21, 2025 Full Day Class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 5.25 Select CEUs: Basic: 0, Advanced: 0, Inspector: 5.25, OSE: 0, Perc Tester: 0 DNR Wastewater CEUs: 5.5 Member price: $150 Non-member price: $235 |
Aerated Treatment Units
Location: Imperial, Ganey Engineering Date: May 22, 2025 Full Day Class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 7.0 Select: Basic: 7.0, Advanced: 7.0, Inspector: 5.0, OSE: 2.5 DNR Wastewater CEUs: 6.0 Member price: $150 Non-member price: $235 |
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What's in my yard?
Location: Kearney, Kearney Winsupply Date: June 10, 2025 Full Day class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select: Basic: 5.5, Advanced: 5.5, Inspector: 1.5, OSE: 1.0 Member price: $150 Non-member price: $235 |
Inspecting Tanks, Lagoons & LPP
Location: Kearney, Kearney Winsupply Date: June 11, 2025 Full Day Class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 5.25 Select CEUs: Basic: 0, Advanced: 0, Inspector: 5.25, OSE: 0, Perc Tester: 0 DNR Wastewater CEUs: 5.5 Member price: $150 Non-member price: $235 |
Basic Soils & How to Read a Soils Report
Location: Springfield - Missouri DNR Regional Office
Date: June 27, 2025
Half-day class: 8:30 AM - 2:00 PM
Online Registration
Registration Form (by mail or email)
DHSS General CEU: 5.0
Select: Basic: 5.0, Advanced: 5.0, Inspector: 0, OSE: 5.0
Member price: $150
Non-member price: $235
Location: Springfield - Missouri DNR Regional Office
Date: June 27, 2025
Half-day class: 8:30 AM - 2:00 PM
Online Registration
Registration Form (by mail or email)
DHSS General CEU: 5.0
Select: Basic: 5.0, Advanced: 5.0, Inspector: 0, OSE: 5.0
Member price: $150
Non-member price: $235
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Basic Soils & How to Read a Soils Report
Location: Camdenton, Mid County Fire Department Date: July 8, 2025 Half Day Class: 8:30 AM - 2:00 PM Online Registration Registration Form (by email or mail) DHSS General CEUs: 5.0 Select: Basic: 5.0, Advanced: 5.0, Inspector: 0, OSE: 5.0, Perc Tester: 2.0 Member price: $150 Non-member price: $235 |
Wastewater Pathogens
Location: Camdenton, Mid County Fire Department Date: July 9, 2025 Half-day class: 8:30 AM - 1:30 PM Online Registration Registration Form (by email or mail) DHSS General CEUs: 4.0 Select: Basic: 1.0, Advanced: 1.0, Inspector: 1.0, OSE: 0 DNR Wastewater CEUs: 4.0 Member price: $150 Non-member price: $235 |
Basic Soils & How to Read a Soils Report
Location: Liberty, Clay County Health Department
Date: July 30, 2025
Half-day class: 8:30 AM - 2:00 PM
Online Registration
Registration Form (by mail or email)
DHSS General CEU: 5.0
Select: Basic: 5.0, Advanced: 5.0, Inspector: 0, OSE: 5.0
Member price: $150
Non-member price: $235
Location: Liberty, Clay County Health Department
Date: July 30, 2025
Half-day class: 8:30 AM - 2:00 PM
Online Registration
Registration Form (by mail or email)
DHSS General CEU: 5.0
Select: Basic: 5.0, Advanced: 5.0, Inspector: 0, OSE: 5.0
Member price: $150
Non-member price: $235
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Trickling through Media Filters
Location: Liberty, Clay County Health Department Date: August 14, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6 Select: Basic: 0, Advanced: 6.0, Inspectors: 4.0, Onsite Soil Evaluators: 0, and Percolation Testers: 0 DNR Wastewater CEUs: 6.0 Member Price: $150 Non-member price: $235 |
Drip Irrigation
Location: Liberty, Clay County Health Department Date: August 15, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select: Basic: 0, Advanced: 6.5, Inspectors: 6.25, Onsite Soil Evaluators: 4.0, and Percolation Testers: 0 DNR Wastewater CEUs: 6.0 Member Price: $150 Non-member price: $235 |
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Earthen Structures & Above-Ground Dispersal Methods for OWTS
Location: Cassville, Community Public Works Facility Date: September 10, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select CEUs: Basic Installers: 3.5, Advanced Installers: 4.0, Inspectors and Evaluators: 3, Onsite Soil Evaluators: 1.5 DNR Wastewater CEUs: 6.5 Member Price: $150 Non-member price: $235 |
Inspecting Tanks, Lagoons & LPP
Location: Cassville, Community Public Works Facility Date: September 11, 2025 Full Day Class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 5.0 Select CEUs: Basic: 0, Advanced: 0, Inspector: 5, OSE: 0, Perc Tester: 0 DNR Wastewater CEUs: 5.5 Member price: $150 Non-member price: $235 |
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Onsite Pumps, Panels & Electrical
Location: Jefferson City, Cole County Health Department Date: September 24, 2025 Half day class: 8:30 AM - 2:00 PM Online Registration Registration Form DHSS General CEUs: 4.0 Select CEUs: Basic: 4.0, Advanced: 4.0, Inspector: 4.0, OSE: 0 DNR Wastewater CEUs: 4.0 Member price: $150 Non-member price: $235 |
Types of Drainfields & Water Management
Location: Jefferson City, Cole County Health Department Date: September 25, 2025 Full day class: 8:30 AM - 4:00 PM Online Registration Registration Form DHSS General CEUs: 7.5 Select CEUs: Basic: 5.5, Advanced: 6.0, Inspector: 0, OSE: 1.0 DNR Wastewater CEUs: 6.5 Member price: $150 Non-member price: $235 |
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Earthen Structures & Above-Ground Dispersal Methods for OWTS
Location: Cape Girardeau, Cape Girardeau Health Dept. Date: October 8, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select CEUs: Basic Installers: 3.5, Advanced Installers: 4.0, Inspectors and Evaluators: 3, Onsite Soil Evaluators: 1.5 DNR Wastewater CEUs: 6.5 Member Price: $150 Non-member price: $235 |
Onsite Pumps, Panels & Electrical
Location: Cape Girardeau, Cape Girardeau Health Department Date: October 9, 2025 Half day class: 8:30 AM - 2:00 PM Online Registration Registration Form DHSS General CEUs: 4.0 Select CEUs: Basic: 3.5, Advanced: 3.5, Inspector: 3.5, OSE: 0 DNR Wastewater CEUs: 4.0 Member price: $150 Non-member price: $235 |
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Drip Irrigation
Location: Springfield, SI Precast (Wilbert Funeral Services) Date: October 22, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select: Basic: 0, Advanced: 6.5, Inspectors: 6.25, Onsite Soil Evaluators: 4.0, and Percolation Testers: 0 DNR Wastewater CEUs: 6.0 Member Price: $150 Non-member price: $235 |
What's in my yard?
Location: Springfield, SI Precast (Wilbert Funeral Services) Date: October 23, 2025 Full Day class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select: Basic: 5.5, Advanced: 5.5, Inspector: 1.5, OSE: 1.0 Member price: $150 Non-member price: $235 |
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Inspecting Tanks, Lagoons & LPP
Location: St. Charles, St. Charles Admin Building Date: November 5, 2025 Full Day Class: 8:30 AM - 4:00 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 5.0 Select CEUs: Basic: 0, Advanced: 0, Inspector: 5.25, OSE: 0, Perc Tester: 0 DNR Wastewater CEUs: 5.5 Member price: $150 Non-member price: $235 |
Troubleshooting Onsite Systems
Location: St. Charles, St. Charles Admin Building Date: November 6, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs = 6 Select: Basic Installers: 6, Advanced Installers: 6, Inspectors: 6, OSE: 0, and Percolation Testers: 0 DNR Wastewater CEUs: 6.5 Member Price: $150 Non-member price: $235 |
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Trickling through Media Filters
Location: Imperial, Ganey Engineering Date: December 10, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6 Select: Basic: 0, Advanced: 6.0, Inspectors: 4.0, Onsite Soil Evaluators: 0, and Percolation Testers: 0 DNR Wastewater CEUs: 6.0 Member Price: $150 Non-member price: $235 |
Earthen Structures & Above-Ground Dispersal Methods for OWTS
Location: Imperial, Ganey Engineering Date: December 11, 2025 Full Day Class: 8:30 AM - 4:30 PM Online Registration Registration Form (by mail or email) DHSS General CEUs: 6.5 Select CEUs: Basic Installers: 3.5, Advanced Installers: 4.0, Inspectors and Evaluators: 3, Onsite Soil Evaluators: 1.5 DNR Wastewater CEUs: 6.5 Member Price: $150 Non-member price: $235 |
Missouri Smallflows Organization
Seminar Refund Policy
Missouri Smallflows Organization is dedicated to providing continuing education seminars for onsite wastewater professionals at a very competitive cost. With the high quality of seminars provided it takes planning to provide these services.
Seminar registrants are required to notify the Executive Director as early as possible about a cancellation of attendance.
Seminar registrants are required to notify the Executive Director as early as possible about a cancellation of attendance.
- If the cancellation notification is received more than 7 days prior to the seminar, the Registrant will receive a full refund of the seminar fee.
- If the cancellation notification is received between 7 days and 2 days, inclusive, prior to the seminar, the Registrant will receive a 50% refund of the seminar fee.
- If the cancellation notification is received less than 2 days prior to the seminar, the Registrant forfeits the full seminar fee.
- Extenuating circumstances, such as family emergencies and health related emergencies may require additional documentation at the discretion of the Executive Director.