NSF Product and Service Listings

These NSF Official Listings are current as of Friday, December 26, 2025 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/PwsComponents/Listings.asp?Company=C0357764&Standard=061&


NSF/ANSI/CAN 61
Drinking Water System Components - Health Effects

NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.

 
WesTech Engineering, LLC 
3665 South West Temple
Salt Lake City, UT 84115 
United States 
801-265-1000
Visit this company's website


Facility : Freeport, IL

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Filter Underdrain
Concrete Insert [1] CLD 23 MLTPL
Underdrain Nozzle [1] CLD 23 MLTPL 

[1] Certified sizes are as follows:
    Concrete Insert - Multiple
    Pan Form - 541 sq. in./sq. ft.
    Underdrain Nozzle - 3014 sq. in./sq. ft.

Water Treatment Devices
Pan Form [1] CLD 23 MLTPL
Underdrain Nozzle [1] CLD 23 MLTPL 

[1] Certified sizes are as follows:
    Concrete Insert - Multiple
    Pan Form - 541 sq. in./sq. ft.
    Underdrain Nozzle - 3014 sq. in./sq. ft.



Facility : Holiday City, OH

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Filter Underdrain
Multiblock Filter Underdrain [1] CLD 23 PE
Multicrete II Pan Form [2] CLD 23 HDPE 

[1] Certified for a minimum flow of 2 gallons/minute/square foot of filter surface area.
[2] Certified for a minimum flow of 1.5 gallons/minute/square foot of filter surface area.

Number of matching Manufacturers is 1
Number of matching Products is 6
Processing time was 0 seconds