Installer sizing tool · Ontario residential
Ontario Residential System Sizing Calculator
Enter the project details to calculate design flow, preliminary Type A bed sizing, Waterloo Biofilter model options and Ontario precaster or Roth tank recommendations.
01 Project details
Results appear below.
02 Sizing results
Waterloo Biofilter
Recommended treatment configuration
Selected precaster
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Option 1
Internal pump chamber
Anaerobic digester with internal pump chamber (ADIPC)
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Option 2
External pump chamber
Separate anaerobic digester + pump tank
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Biofilter tank
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Minimum required sizes
Final system / Type A sizing
Minimum required Anaerobic Digester size—1.89 × Q
Minimum required Pump Tank size—0.70 × Q
Type A Bed contact area—Formula used: —
Minimum Stone Area—Q/50 when Q > 3,000; otherwise Q/75
Preliminary residential sizing tool based on the supplied Ontario Building Code Part 8 criteria, Waterloo Biofilter model tables, Waterloo Biofilter CANBNQ Residential Precaster Tank Sizing 2026 v1.2 and supplied Roth Tables 7 & 8. Verify current OBC requirements, Waterloo Biofilter approvals, tank availability, site conditions and permit authority requirements before final design or ordering.
Your BCIN# and the generated sizing results will be sent to Waterloo Biofilter.
