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Mobridge: 605-845-7213
Aberdeen: 605-225-8081

Masonry Products

Jensen Rock & Sand is proud to supply concrete masonry products produced by JME Companies. All of our masonry products comply with ASTM C90 specifications. Year-round, we carry the common concrete block sizes in our yard.

  • 2x4x8 Brick 
  • 2x8x16 Solid 
  • 4x8x16 Hollow & Solid 
  • 4x4x16 Hollow & Solid 
  • 6x8x16 Regular 
  • 8x8x16 Regular, Bond Beam, Flo Thru 
  • 8x4x16 Half High 
  • 8x8x8 Halves 
  • 10x8x16 Regular 
  • 12x8x16 Regular

*Rockface, Splitface and all other specialty blocks are available through special orders.

Other products available for your masonry projects include: 

  • ½” Rebar 
new asphalt paved parking lot
smoothface rockwall

Precast Products

Numerous precast products are also produced at Jensen Rock and Sand Inc. Our septic tanks are built with Del Zotto forms and Barrier Blocks are World Block Forms which top quality to our customers. Let us help with any of your precast needs.

Rockface & Roughface Barriers

  • Weigh approximately 2,400 lbs.
  • Half Blocks, Corners and Caps Available


Septic Tanks

500 gallon septic tank/lift station diagram

500 Gallon Tank/Lift Station

  • 68" wide x 49" long x 61" tall
  • 51" bottom of inlet to bottom of tank
  • 3" Floor and side thickness
  • 48" bottom of outlet to bottom of tank
  • 45" Liquid Depth
  • 4" Inlet and Outlet Capacity
  • Capacity = 469 Gallons
  • Lid contains 2 - 6" pump holes
  • 24" manhole available on request
  • Total weight 4,800 lbs. Lid 1,000 lbs.
1000 gallon septic tank diagram

1000 Gallon Tank

  • 68" wide x 102" long x 61" tall
  • 51" bottom of inlet to bottom of tank
  • 3" Floor and side thickness
  • 48" bottom of outlet to bottom of tank
  • 45" Liquid Depth
  • 4" Inlet and Outlet Capacity
  • Capacity = 1083 Gallons
  • Lid contains 3 - 6" pump holes
  • 24" manhole available on request
  • Total weight 8,600 lbs. Lid 2,200 lbs.
1000 gallon 2 compartment septic tank diagram

1000 Gallon Tank - 2 Compartment

  • 68" wide x 102" long x 61" tall
  • 51" bottom of inlet to bottom of tank
  • 3" Floor and side thickness
  • 48" bottom of outlet to bottom of tank
  • 45" Liquid Depth
  • 4" Inlet and Outlet Capacity
  • Capacity = 1,031 Gallons
  • Lid contains 3 - 6" pump holes
  • 24" manhole available on request
  • Total weight 9,200 lbs. Lid 2,200 lbs. Divider 600 lbs.
1500 gallon septic tank diagram

1500 Gallon Tank - 2 Compartment

  • Special order
  • 68" wide x 147" long x 61" tall
  • 51" bottom of inlet to bottom of tank
  • 3" Floor and side thickness
  • 48" bottom of outlet to bottom of tank
  • 45" Liquid Depth
  • 4" Inlet and Outlet Capacity
  • Capacity = 1,552 Gallons
  • Lid contains 3 - 6" pump holes
  • 24" manhole available on request
  • Total weight 13,000 lbs.
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