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Onsite Wastewater Tanks

We offer reliable wastewater storage you can trust

ZCL | Xerxes 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. ZCL | 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

ZCL | Xerxes 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.

  • 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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