Delaware.gov logo

Approved Products



A list of septic system products reviewed and approved by the Groundwater Discharges Section for use in Delaware. The Section also maintains a list of approved innovative and alternative systems that might be used where site constraints limit the ability to install conventional wastewater treatment systems.

Approved Products – General

Proprietary Name Approval Issued To Approval Document
IAMPMO 1050,1250 and 1500 Low Profile HDPE Septic Tanks Snyder Industries IAMPHO Low Profile HDPE Septic Tanks
RMT500,750,900,1000E,1060, 1250 and 1500 septic and dosing chambers Roth Global Plastics Inc. RMT septic and dosing chambers
Quick 4 Equalizer 36 Chamber Infiltrator Systems Inc. Quick 4 Equalize 36 Chamber
EnviroChamber Pro ( Previously Biodiffuser 11” and ARC 36) PSA Inc. Biodiffuser Plastic Leaching Chamber
EnviroChamber Pro
TW-1050,1250, and 1500 Infiltrator Septic Tanks; TW-900 Infiltrator Dosing Chamber Infiltrator Systems Inc. TW Infiltrator Septic Tanks
1000 STB, 1250 STB, and 1500 STB Norwesco Polyethlene Septic Tanks Norwesco Inc. Norwesco Polyethlene Septic Tanks
PL-68 Effluent Filter Polylok Inc Polylok PL-68 Eflluent Filter
Septech ST 100 Fralo Products Septech ST 100
A1801, 1801 HIP Effluent Filters Zable Products A1801, 1801 HIP Effluent Filters
A100-8-12, 18,25,32 and A300-8-12,18,25,32 Effluent Filters Zable Products A100-8-12, 18,25,32 and A300-8-12,18,25,32 Effluent Filters
4’,6’,8’, and 10’ diameter Xerxes Fiberglass Septic Tanks Xerxes Corporation 4′,6′,8′ and 10′ Xerxes Septic Tanks
Cultec Models 75.125, and 180 chambers Cultec, Inc. Cultec chambers
X143850, X144700, and X145500 Enviro Plus Polyethylene Septic Tanks Stelling Company Inc. EnviroPlus Polyethylene Septic Tanks
1000TLP, 1250TLP & 1500TLP low profile septic tanks Norwesco, Inc. and Snyder Industries
1000TLP, 1250TLP & 1500TLP low profile septic tank
Infiltrator IM-1530 Multi-compartment septic tank Infiltrator Systems, Inc. Infiltrator IM-1530 Multi-compartment septic tank
SSLLC-3BED Pre-Engineered Lift Station Septic Solutions, LLC SSLLC-3BED Pre-Engineered Lift Station
Delta Environmental Products ecoFilter Pump Vault System, Models, DEPV-49-20-1 and DEP-57-20-1 Delta Environmental Models DEPV-49-20-1 and DEP-57-20-1
BioSTEP screened pump vault system Bio-Microbics, Inc. BioSTEP
American Manufacturing’s DBOX4, DBOX5, DBOX6, DBOX7 and DBOXRISER American Manufacturing DBOX4, DBOX5, DBOX6, DBOX7 and DBOXRISER
Tower’s Concrete’s Riser Flanged Distribution Box Lid Towers Concrete Products Distribution Box Lid
Limited approval of SJE Rhombus IFS C-level sensor Dolby & Associates SJE Rhombus IFS C-level sensor
LE100 Series Pre-Engineered Lift Station Tower’s Concrete LE100 Series Pre-Engineered Lift Station
280 Series Pre-Engineered Lift Station Tower’s Concrete 280 Series Pre-Engineered Lift Station
LE 50 Series, Pre-Engineered Lift Station Tower’s Concrete LE 50 Series, Pre-Engineered Lift Station
LE 70 Series, Pre-Engineered Lift Station Tower’s Concrete LE 70 Series, Pre-Engineered Lift Station
SSLLC-Fralo Pre-Engineered Lift Station Septic Solutions, LLC
SSLLC-Fralo Pre-Engineered Lift Station
Zoeller 912 Packaged Lift Station (W/ Model 264 sewage pump) Pennoni Associates, Inc Zoeller 912 Packaged Lift Station (W/ Model 264 sewage pump)
SSLLC-FRALO-RMT500-EP05 Pre- Engineered Lift Station Septic Solutions SSLLC-FRALO-RMT500-EP05 Pre-Engineered Lift Station



+