Fiberglass Septic Tanks
General Information:
- Sizes range from 750 gallon to 10,000 gallon
- Loomis and Orenco tanks have IAPMO Certification
- Non-corrosive for long life
- Lightweight for easy installation
- Two piece tanks can be shipped unassembled and nested together for economical shipping
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below for a PDF drawing.
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Tank dimensions and fitting placement may vary slightly. Specifications are subject to change without notice.
| Part Number |
Type |
Capacity |
Weight |
Inlet |
Outlet |
L X W X H |
Comp |
PDF |
| LTPLST75 |
Ribbed |
750 gallon |
320 lbs |
54" |
52" |
93.5" x 71.5" x 67" |
2 |
 |
| LTPLST10 |
Ribbed |
1000 gallon |
370 lbs |
54" |
52" |
115" x 72.5" x 67" |
2 |
 |
| LTPLST12 |
Ribbed |
1250 gallon |
430 lbs |
54" |
52" |
142" x 75" x 68" |
2 |
 |
| LTPLST15 |
Ribbed |
1500 gallon |
470 lbs |
54" |
52" |
161" x 75" x 68" |
2 |
 |
*Inlet and outlet are from bottom of tank to bottom of hole
Loomis Fiberglass (install | operation | warranty | IAPMO listing)
Available Accessories 
- Extra Fiberglass Lids
- Fiberglass Risers (24" Diameter x 24" Height)
- Septic Tank Effluent Filters
- 4-Hole or 6-Hole Distribution Boxes
- Diverter valves
- Other accessories for fiberglass on site tanks
| Part Number |
Type |
Capacity |
Inlet |
Outlet |
L X W X H |
Comp |
PDF |
| LGT1050SEP |
Horizontal |
1050 gallon |
55" |
52.5" |
111" x 67" x 67" |
2 |
- |
| LGT1250SEP |
Horizontal |
1250 gallon |
55" |
52.5" |
131" x 67" x 67" |
2 |
- |
| LGT1550SEP |
Horizontal |
1550 gallon |
55" |
52.5" |
161" x 67" x 67" |
2 |
- |
*Inlet and outlet are from bottom of tank to bottom of hole
Glas-Tec
Glas-Tec septic tanks are approved by and distributed within the state of Arizona. These fiberglass septic tanks are available in standard sizes along with custom larger sizes. Please call for custom quotes.
Available Accessories
- Extra Fiberglass Lids

- Fiberglass risers
- Septic Tank Effluent Filters
- 4-Hole or 6-Hole Distribution Boxes
- Diverter valves
- Other accessories for fiberglass on site tanks
| Part Number |
Type |
Capacity |
Weight |
Inlet |
Outlet |
L X W X H |
Comp |
PDF |
| LOSTU1000 |
Ribbed |
1000 gallon |
350 lbs |
54" |
52" |
121" x 72" x 65" |
2 |
 |
| LOSTU1500 |
Ribbed |
1500 gallon |
500 lbs |
54" |
52" |
168" x 72" x 65" |
2 |
 |
*Inlet and outlet are from bottom of tank to bottom of hole
Orenco Systems (install | warranty | IAPMO listing)
Orenco's septic tanks are known in the onsite industry for strength and watertightness. These injection-molded fiberglass-reinforced polyester (FRP) tanks are
available in 1000-gal and 1500-gal sizes for residential, commercial, and community systems. These tanks can be buried up to 4' deep.
Available Accessories
- Fiberglass Lids
- Ultra Rib Riser Pipe
- Riser Lid Adapters
- Inlet/Outlet Plumbing
- Epoxy and Adhesive Kits
- Septic Tank Effluent Filters