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Onsite Wastewater Tanks

We offer reliable wastewater storage you can trust

Xerxes by Shawcor onsite wastewater tanks protect communities and the environment with sustainable, long-lasting septic and wastewater storage. Built to be reliable and highly efficient, our fiberglass tanks offer customers watertight, corrosion-resistant storage for their systems. Xerxes wastewater tanks are ideal for private residence installations, as well as community, municipal, industrial and commercial applications. Our tanks can be designed and configured to meet a range of flows, capacities and site requirements. Visit our YouTube channel to view our new tank installation videos.

Your Complete Solution

We can provide a complete solution for your project’s storage tank needs with a wide range of sizes and accessories. We also have an extensive network of equipment distributors and installers throughout North America.

Features
  • Secondary containment around full circumference of tank
  • Corrosion-resistant inside and out
  • 100% premium resin and fiberglass (no fillers)
  • Available in one-piece, factory-manufactured units
  • Available in underground and aboveground models
  • Available in single-wall, double-wall and triple-wall models
  • Designed to withstand surface H-20 and HS-20 axle loads
  • Flexible design options that accept pump vaults, screens and custom secondary treatment systems
  • Lightweight and easy to install
  • Variety of accessories available
  • Not limited by burial depth or water table
  • Optional field tests before and after installation (for most designs)
  • Available in capacities up to 60,000 gallons in the US
  • Available in capacities up to 227,000 liters in Canada
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