NSF Product and Service Listings

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

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NSF/ANSI 350
Onsite Residential and Commercial Water Reuse Treatment

 
E-Z Treat 
P.O. Box 176
Haymarket, VA 20618 
United States 
703-753-4770
Visit this company's website

Facility : Catlett, VA

Model Number Rated Capacity
Gallons/Day		 Classification Type
#600[1] 600 Class R Wastewater
D101 MODEL 600 2Pod 3Tank SIMPLEX[1] 1200 Class R Wastewater
D110 MODEL 600 2Pod 4Tank DUPLEX[1] 1200 Class R Wastewater
D111 MODEL 600 2Pod 4Tank SIMPLEX[1] 1200 Class R Wastewater
D115 MODEL 600 2Pod 3Tank DUPLEX[1] 1200 Class R Wastewater
D117 MODEL 600 1Pod 3Tank SIMPLEX[1] 600 Class R Wastewater
D118 MODEL 600 1Pod 2Tank SIMPLEX[1] 600 Class R Wastewater
D141 MODEL 600 1Pod 2Tank Gravity[1] 600 Class R Wastewater
D147-INDP MODEL 600 2Pod 4Tank DUPLEX[1] 1200 Class R Wastewater
#750[1] 750 Class R Wastewater
D217 MODEL 750 1Pod 3Tank SIMPLEX[1] 750 Class R Wastewater
D218 MODEL 750 1Pod 2Tank SIMPLEX[1] 750 Class R Wastewater
D240 750 1Pod 2Tank SIMPLEX OVER SPTIC[1] 750 Class R Wastewater
D241 750 1Pod 2Tank Gravity Discharge[1] 750 Class R Wastewater
D246 MODEL 750 1Pod 2Tank Gravity Feed[1] 750 Class R Wastewater
#1200[1] 1200 Class R Wastewater
D112 MODEL 1200 1Pod 4Tank SIMPLEX[1] 1200 Class R Wastewater
D113 MODEL 1200 1Pod 4Tank DUPLEX[1] 1200 Class R Wastewater
D114 MODEL 1200 2Pod 3Tank DUPLEX[1] 1200 Class R Wastewater
D116 MODEL 1200 1Pod 3Tank SIMPLEX[1] 1200 Class R Wastewater
D119 MODEL 1200 1Pod 2Tank SIMPLEX[1] 1200 Class R Wastewater
D142 1200 1Pod 2Tank Gravity Discharge[1] 1200 Class R Wastewater
D148-INDP MODEL 600 2Pod 3Tank DUPLEX[1] 1200 Class R Wastewater
D149 MODEL 1200 1Pod 4Tank SIMPLEX[1] 1200 Class R Wastewater
D150 1200 1Pod 4Tank DUPLEX DUAL OUTLET[1] 1200 Class R Wastewater
D151 1200 1Pod 3Tank Simplex DUAL OUTLET[1] 1200 Class R Wastewater
D102 MODEL 1200 2Pod 3Tank SIMPLEX 1500 Class R Wastewater
D107 MODEL 1200 2Pod 4Tank SIMPLEX[1] 1500 Class R Wastewater
D109 MODEL 1200 2Pod 4Tank DUPLEX[1] 1500 Class R Wastewater
D120 MODEL 600 3Pod 3Tank DUPLEX[1] 1500 Class R Wastewater
D121 MODEL 600 3Pod 3Tank SIMPLEX[1] 1500 Class R Wastewater
D128 MODEL 600 3Pod 4Tank DUPLEX[1] 1500 Class R Wastewater
D152-INDP MODEL 1200 2Pod 4Tank DUPLEX[1] 1500 Class R Wastewater
D153-INDP MODEL 1200 2Pod 3Tank DUPLEX[1] 1500 Class R Wastewater
D201 MODEL 750 2Pod 3Tank SIMPLEX[1] 1500 Class R Wastewater
D210 MODEL 750 2Pod 4Tank DUPLEX[1] 1500 Class R Wastewater
D211 MODEL 750 2Pod 4Tank SIMPLEX[1] 1500 Class R Wastewater
D215 MODEL 750 2Pod 3Tank DUPLEX[1] 1500 Class R Wastewater
D225 MODEL 750 2Pod 2Tank SIMPLEX OVER[1] 1500 Class R Wastewater
D247-INDP MODEL 750 2Pod 4Tank DUPLEX[1] 1500 Class R Wastewater
D248-INDP MODEL 750 2Pod 3Tank DUPLEX[1] 1500 Class R Wastewater 

[1] Model contains and must be installed with an Ultraviolet (UV) disinfection device.


NOTE: This Company distributes, sells, installs, or services their own NSF Certified systems.
NOTE: Each model may contain a combination of treatment pods that are either a 600 GPD module,
      a 750 GPD module or a 1200 GPD module. Various configurations of these modules are used
      to provide the essential wastewater treatment necessary for Standard compliance.
NOTE: Class R - Single family residential dwellings.
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