NSF Product and Service Listings

These NSF Official Listings are current as of Tuesday, October 20, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/Wastewater/Listings.asp?Standard=040&Company=C0823653&

NSF/ANSI 40
Residential Wastewater Treatment Systems

 
Waterloo Biofilter Systems Inc. 
65 Massey Road, Suite C
Guelph, ON N1H 7M6 
Canada 
866-366-4329 
519-856-0757
Visit this company's website

Facility : Guelph, Ontario, Canada

Model Number Rated Capacity
Gallons/Day		 Classification

Flat Bed System[1]
FB528 528 Class I
FB581 581 Class I
FB634 634 Class I
FB687 687 Class I
FB740 740 Class I
FB792 792 Class I
FB845 845 Class I
FB898 898 Class I
FB951 951 Class I
FB1004 1004 Class I
FB1057 1057 Class I
FB1110 1110 Class I
FB1162 1162 Class I
FB1268 1268 Class I
FB1374 1374 Class I
FB1480 1480 Class I 

[1] Requires a pretreatment tank with a minimum volume of 1.28 times the rated daily
    capacity of the system.

Shed, Basket, and Bulk-Filled Systems[2]
BA400 405 Class I
BA450 450 Class I
BA500 500 Class I
BA550 550 Class I
BA600 600 Class I
BA650 650 Class I
BA700 700 Class I
BA750 750 Class I
BA800 800 Class I
BA850 850 Class I
BA900 900 Class I
BA950 950 Class I
BA1000 1000 Class I
BA1050 1050 Class I
BA1100 1100 Class I
BA1150 1150 Class I
BA1200 1200 Class I
BA1250 1250 Class I
BA1300 1300 Class I
BA1350 1350 Class I
BA1400 1400 Class I
BA1450 1450 Class I
BA1500 1500 Class I
HD600 600 Class I
HD700 700 Class I
HD900 900 Class I
SH450 450 Class I
SH550 550 Class I
SH950 950 Class I
SH1350 1350 Class I 

[2] Requires a pretreatment tank with a minimum volume of 1.5 times the rated daily capacity
    of the system.

Number of matching Manufacturers is 1
Number of matching Products is 46
Processing time was 0 seconds