Environmental Programs

Environmental Services

Onsite Wastewater Management Systems Program

Regulation

• Onsite Wastewater Management Systems Regulation  
• The Cottager's Handbook for Manitoba Provincial Parks
• Homeowner’s Manual for Onsite Wastewater Management Systems 

 Information

• FAQ's: Secondary Treatment - Onsite Wastewater Management Systems
• Onsite Wastewater Disposal Field Decommissioning Guideline 2009-01E (français)
• Sewage Ejector System Decommissioning
• Field Reference Guide - Specifications for Septic Field Sand
• Field Reference Guide – Jar Test
• Sand Treatment Mound Design - Worksheet
• Soil Sampling Protocol for Onsite Wastewater Management Systems

FORMS

• Application to Register Onsite Wastewater Management System and Fee Schedule
• Application for Certification of Installer
• Registration of Sewage Hauler

OWMS SUPPLEMENTARY INFORMATION

• Soil Texture Classification Matrix 
• Soil Texture Classification Triangle – Metric & Imperial   
• Soil Texture Classification Triangle – Effluent Loading Rate 
• Typical Wastewater Flow Rates
• Average Daily Flows
• Manitoba Sizing Charts - Soil Analysis – Metric & Imperial 

DIAGRAMS:

>60-100% Heavy Clay

• Pressurized sand treatment mound system – chambers
• Sand Treatment Mound Diagram
• Pressurized sand treatment mound system – stone 
• Modified above ground total area field

      
40-60% Clay

• Modified total area (MTA)
• Modified trench – stone (MTS)
• Modified trench – chamber (MTC)

85-100% Sand

• Lined total area field – stone
• Lined total area field – chambers  
• Lined trenches for porous soils