Precast Septic Systems
Septic and Leaching Products
Pepin Precast produces precast concrete septic tanks, leaching chambers, and other components for onsite wastewater treatment and disposal systems. Our septic tanks and leaching chambers are designed to provide effective treatment of wastewater for both residential and commercial applications
Note: All Septic Tanks come with both side inlets and outlets, and come with rubber watertight seals that meet all state and local codes.
Septic Tanks and Chambers

Single Compartment Tanks
Description | Weight lbs | Length | Width | Height | Bottom to Inlet | Bottom to Outlet | Document |
---|---|---|---|---|---|---|---|
1000 (2-piece) | 7,181 | 96" | 60" | 64" | 56" | 53" | |
1000 (Mono) | 11,000 | 126" | 60" | 59" | 50" | 47" | |
1250 (2-piece) | 8,100 | 96" | 60" | 78" | 69" | 66" | |
1250 (Mono) | 11,500 | 130" | 68" | 59" | 49" | 46" | |
1500 (Mono) | 13,200 | 130" | 68" | 67" | 54" | 51" | |
2000 (Mono) | 19,500 | 172" | 82" | 56" | 46" | 44" | |
2500 HD (Mono) | 21,235 | 172" | 82" | 69" | 55" | 53" |
Two Compartment Tanks
Two Compartment Ledge Tanks
Three Compartment Tanks
Compartment | Length | Width | Height | I | O |
---|---|---|---|---|---|
1250/350/500 | 172 | 82 | 56 | 46 | 44 |
1332/668/500 | 172 | 82 | 65 | 55 | 53 |
Pump Tanks

Concrete Leaching Chambers (Short Pipe Shown Above)
Size | Pipe |
---|---|
4'X8'X13" | Short Pipe |
4'X8'X13" | Long Pipe |
- Effluent, sewage, or grinder pumps available installed in any size tank
- Duplex pump stations with guide rail systems available
- All tanks are also available with cast-in Polyloc Covers
- All Tanks available in H-20 Loading
- Commercial fire and septic Cisterns also available

Additional Septic Products
Distribution Boxes
Distribution boxes are small concrete chambers with a single inlet and multiple outlets that are used to evenly distribute the flow of the effluent from the septic system to the disposal field. The required size of the distribution box is determined by the size of the disposal field, and our various sizes are shown below.
Other Septic Products
We carry a full line of schedule 20, SDR 35, and schedule 40 pipe and fittings available by the foot or in skid quantities. Used for leach fields, sewer pipe, drainage pipe and more.
Also available:
- Filter fabric
- HDPE Pipe and fittings
- Sump Buckets
- Septic tank Baffles & Filters
- Silt Fence
- Schedule 40 Pipe
- SDR 35 perforated and solid pipe
- Schedule 20 perforated pipe
- 2’’, 4’’ 6’’ & 8’’ Gasketed Pipe
- 2’’ and 1.5’’ Coil Pump Line
- Enviro Septic Tubes
- Advanced Enviro Septic Tubes
- Infiltrator Systems
- Poly-Loc Risers and covers, SeptiTech Systems Available
- Septic sand and washed stone available from R Pepin & Sons
To discuss your next septic project, call: 207-324-6125