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 245
Wastewater Treatment Systems - Nitrogen Reduction


 
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
#600 600
D101 MODEL 600 2Pod 3Tank SIMPLEX 1200
D110 MODEL 600 2Pod 4Tank DUPLEX 1200
D111 MODEL 600 2Pod 4Tank SIMPLEX 1200
D115 MODEL 600 2Pod 3Tank DUPLEX 1200
D117 MODEL 600 1Pod 3Tank SIMPLEX 600
D118 MODEL 600 1Pod 2Tank SIMPLEX 600
D141 MODEL 600 1Pod 2Tank Gravity 600
D147-INDP MODEL 600 2Pod 4Tank DUPLEX 1200
D149 MODEL 600 1Pod 2Tank 2 pump-combo 600
#750 750
D218 MODEL 750 1Pod 2Tank SIMPLEX 750
D217 MODEL 750 1Pod 3Tank SIMPLEX 750
D240 750 1Pod 2Tank SIMPLEX OVER SPTIC 750
D241 750 1Pod 2Tank Gravity Discharge 750
D246 MODEL 750 1Pod 2Tank Gravity Feed 750
#1200 1200
D112 MODEL 1200 1Pod 4Tank SIMPLEX 1200
D113 MODEL 1200 1Pod 4Tank DUPLEX 1200
D116 MODEL 1200 1Pod 3Tank SIMPLEX 1200
D119 MODEL 1200 1Pod 2Tank SIMPLEX 1200
D142 1200 1Pod 2Tank Gravity Discharge 1200
D148-INDP MODEL 600 2Pod 3Tank DUPLEX 1200
D149 MODEL 1200 1Pod 4Tank SIMPLEX 1200
D150 1200 1Pod 4Tank DUPLEX DUAL OUTLET 1200
D151 1200 1Pod 3Tank Simplex DUAL OUTLET 1200
D102 MODEL 1200 2Pod 3Tank SIMPLEX 1500
D107 MODEL 1200 2Pod 4Tank SIMPLEX 1500
D109 MODEL 1200 2Pod 4Tank DUPLEX 1500
D114 MODEL 1200 2Pod 3Tank DUPLEX 1500
D120 MODEL 600 3Pod 3Tank DUPLEX 1500
D121 MODEL 600 3Pod 3Tank SIMPLEX 1500
D128 MODEL 600 3Pod 4Tank DUPLEX 1500
D152-INDP MODEL 1200 2Pod 4Tank DUPLEX 1500
D153-INDP MODEL 1200 2Pod 3Tank DUPLEX 1500
D201 MODEL 750 2Pod 3Tank SIMPLEX 1500
D210 MODEL 750 2Pod 4Tank DUPLEX 1500
D211 MODEL 750 2Pod 4Tank SIMPLEX 1500
D215 MODEL 750 2Pod 3Tank DUPLEX 1500
D225 MODEL 750 2Pod 2Tank SIMPLEX OVER 1500
D247-INDP MODEL 750 2Pod 4Tank DUPLEX 1500
D248-INDP MODEL 750 2Pod 3Tank DUPLEX 1500
D249 MODEL 750 1Pod 2Tank 2 pump-combo 750

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.

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