Septic Tanks & Systems

Superior Concrete manufactures Maine's most trusted precast concrete septic systems — precast concrete septic tanks, lift stations, pump tanks, and leaching products. Whether you're specifying a residential system or a commercial installation, our precast concrete products are watertight, durable, and engineered to last decades longer than plastic or polymer alternatives. Browse our septic system categories below.

Showing 26-48 of 48 items

Showing 26-48 of 48 item(s)

Active filters

  • Use: Residential
  • Use: Shallow Bury
  • Use: Sanitary
  • Class: Pedestrian
  • Class: New Style
  • Class: Old Style

Active filters

  • Use: Residential
  • Use: Shallow Bury
  • Use: Sanitary
  • Class: Pedestrian
  • Class: New Style
  • Class: Old Style
700 Ultra Lowboy (New Style) | Superior Concrete

700 Ultra Lowboy (New Style)

  • Category:Lowboy Tanks
  • Use:Residential, Shallow Bury
  • Class:New Style
  • Type:Concrete, Septic Tank
  • Size:700 gallon
  • Weight:10,235 lbs
  • Capacity:700 gallons
  • Exterior Dimensions:26 1/2” H x 6 ’4” W x 10’ 6” L
  • Invert Out:29 1/2"
Datasheets
700 Gallon Ultra Lowboy (NS)
750 Lowboy | Superior Concrete

750 Lowboy

  • Category:Lowboy Tanks
  • Use:Residential, Shallow Bury
  • Class:H-10, Old Style
  • Type:Concrete, Septic Tank
  • Size:750 gallon
  • Weight:8,315 lbs
  • Capacity:750 gallons
  • Exterior Dimensions:49” H x 5 ’4” W x 8’ 0” L
  • Invert Out:36 1/2"
Datasheets
750 Gallon LB
750 Lowboy (New Style) | Superior Concrete

750 Lowboy (New Style)

  • Category:Lowboy Tanks
  • Use:Residential, Shallow Bury
  • Class:New Style
  • Type:Concrete, Septic Tank
  • Size:750 gallon
  • Weight:8,095 lbs
  • Capacity:750 gallons
  • Exterior Dimensions:49” H x 5 ’4” W x 8’ 0” L
  • Invert Out:36 1/2"
Datasheets
750 Gallon LB (NS)
8 Outlet D-Box | Superior Concrete

8 Outlet D-Box

  • Category:D-Boxes
  • Use:Commercial, Residential, Sanitary
  • Class:Pedestrian
  • Type:Concrete, Distribution
  • Weight:Base: 95# / Lid: 53#
  • Interior Dimensions:21"Lx11"Wx8"H
  • Exterior Dimensions:24"Lx14.5"Wx11"H
  • Invert Out:2.5"
  • Invert In:4"
Datasheets
8-Outlet D-Box
ARC 18 Infiltrator Chamber | Superior Concrete

ARC 18 Infiltrator Chamber

  • Category:Infiltrator Chambers
  • Use:Residential
  • Class:Pedestrian
  • Type:Plastic (Arc)
  • Weight:11 lbs
  • Capacity:25.62 gal
  • Exterior Dimensions:16" x 67" x 12"
  • Invert In:7"
Datasheets
ARC 18
ARC 36 Infiltrator Chamber | Superior Concrete

ARC 36 Infiltrator Chamber

  • Category:Infiltrator Chambers
  • Use:Residential
  • Class:Pedestrian
  • Type:Plastic (Arc)
  • Weight:17 lbs
  • Capacity:80 gal
  • Exterior Dimensions:34.5" x 63" x 16"
  • Invert In:7"
Datasheets
ARC 36 HC
Enviro-Septic | Superior Concrete

Enviro-Septic

  • Category:Enviro-Septic Products
  • Use:Commercial, Residential
  • Class:Pedestrian
  • Type:Plastic (Enviro)
  • Weight:~23 lbs
  • Capacity:58 gal
  • Exterior Dimensions:12"Dia x 120"
  • Invert In:7"
Datasheets
Enviro-Septic Installation
Infiltrator Quick4 High Capacity | Superior Concrete

Infiltrator Quick4 High Capacity

  • Category:Infiltrator Chambers
  • Use:Commercial, Residential
  • Class:Pedestrian
  • Type:Plastic (Quick4)
  • Weight:15 lbs
  • Capacity:43 gal
  • Exterior Dimensions:34" x 53" x 16"
  • Invert In:11.5"
Datasheets
Quick4 HiCap
Infiltrator Quick4 Standard | Superior Concrete

Infiltrator Quick4 Standard

  • Category:Infiltrator Chambers
  • Use:Commercial, Residential
  • Class:Pedestrian
  • Type:Plastic (Quick4)
  • Weight:12 lbs
  • Capacity:43 gal
  • Exterior Dimensions:34" x 53" x 12"
  • Invert In:8"
Datasheets
Quick4 Standard

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