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" PDF
1000 (Mono) 11,000 126" 60" 59" 50" 47" PDF
1250 (2-piece) 8,100 96" 60" 78" 69" 66" PDF
1250 (Mono) 11,500 130" 68" 59" 49" 46" PDF
1500 (Mono) 13,200 130" 68" 67" 54" 51" PDF
2000 (Mono) 19,500 172" 82" 56" 46" 44" PDF
2500 HD (Mono) 21,235 172" 82" 65" 55" 53" PDF

Two Compartment Tanks

Description Weight lbs Length Width Height Bottom Inlet Bottom Outlet Document
1000 Mono (750/250) 11,200 126" 60" 59" 50" 47" PDF
1250Mono (1000/250) 11,800 130" 68" 59" 49" 46" PDF
1500Mono (1250/350) 12,840 130" 68" 67" 54" 51" PDF
2000 Mono (1334/666) 21,000 172" 80.50" 56" 46" 46" PDF
2500 172" 82" 72" 55" 52" PDF

Two Compartment Ledge Tanks

Description Weight lbs Length Width Height Bottom Inlet Bottom Outlet Document
1250 Mono Ledge 10,480 128" 67" 48" 38" 36" PDF
1500 Mono Ledge 16,540 172" 82" 49" 36" 33" PDF

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

Description Weight lbs Length Width Height Bottom Inlet Bottom Outlet Document
100 Pump Tank 1300 -- 42"OD. 43" 32" 27" PDF
300 Pump Tank 4,800 -- 58” OD 69” 46” 43” PDF
500 Pump Tank 4,400 67" 60" 58" 44" 41" PDF

Concrete Leaching Chambers

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.

Name Cut Sheet
3 Outlets PDF
5 Outlets PDF
5 Outlet Bottom feed
7 Outlets PDF
8 Outlets PDF
10 Outlets
22 Outlets
2 Inlet-10 Outlet
12 Outlets
Equalizers

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

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