Precast septic tanks are safe, reliable containment vaults utilized to naturally treat and separate wastewater. Oldcaslte Infrastructure tanks are watertight, suitable for moderate and traffic loading conditions, and environmentally friendly. With standard and customizable options, these tanks are the optimal choice when municipal sewers are not an option. Available features include grade rings & risers, lifters, pulling irons, drainage sumps, as well as knockouts to best fit your project needs.

Features & Benefits
  • Modular Construction
  • Base/Bottom Section
  • Lids, Rings, and Covers
  • Manhole Coatings
  • Grade Rings and Risers
  • Cones
  • Flat Slabs
  • Block-outs and Cored Holes
  • Offers rugged durability for optimal wastewater containment
  • Customizable sectional design and configurations
  • Quick and easy install
  • Connection and access point for maintenance and inspection
  • Integral floor (body slab) optional
  • Available extended base bottoms increase stability
  • Cover and protect
  • Maintenance and inspection accessibility
  • Variety of sizes available
  • Water-based damp-proofing, epoxy-based chemical resistant, and other coating options are available upon request
  • Elevate access opening covers to grade
  • Available in rectangular and round shapes
  • Variety of sizes available
  • Section to reduce the manhole diameter to the cover and frame diameter
  • Concentric or Eccentric shapes
  • Variety of sizes available
  • Typically used for very shallow manholes
  • Large diameter manholes are covered with structural flat slab covers designed to resist the applied dead and live loads
  • Variety of sizes available
  • Offered in multiple locations to accommodate various connection sizes
  • Cast-in block-outs and cut-in cored holes are generally placed in the base or riser sections in limited sizes
  • Block-outs available in rectangular and circular shapes
Specs & Guides

Model: W8D

Material: Concrete

Load Rating: wet-wells-dry-wells

Measurement System:

Diameter: 8’


PDF: TX_SA_0x0x0_8-Diameter-Wet-Well_90471.pdf

DWG: TX_SA_0x0x0_8-Diameter-Wet-Well_90471-1.dwg

Your Project Deserves Expert Attention

Whether you're looking for additional product information or design assistance, or you’re ready to get a personalized quote, our dedicated team is here to guide you every step of the way.


Location Available

1900 Rilling Road
San Antonio, TX


(888) 965-3227


M-F 8:00-5:00

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