Mullaly Underground Water Storage Tanks

Mullaly underground water storage tanks feature a unique, integral fibreglass rib design making a them the strongest, most robust underground tanks available. Manufactured in Australia using the highest quality fibreglass material, Mullaly water storage tanks are rust and corrosion proof as well as maintenance free.

Mullaly Water Storage Tank Features:

Customisable & Flexible Designs

  • Single-wall and double-wall water storage tanks
  • Single tank sizes up to 150,000 litres for some applications
  • Our water storage tanks can be designed for underground and select aboveground installations
  • Accessories to fit wide range of applications

Easy To Ships Install & Maintain

  • Lightweight – easy and cost-effective to ship
  • Australian made in two locations in NSW and WA
  • Large-capacity tank can ship on one truck bed
  • Easy to install in remote locations
  • Easy to install in tight footprints

Manufactured Using High Quality Fibreglass (FRP) Material:

This means our FRP water storage tanks are:

  • Corrosion-resistant to surrounding soil
  • Corrosion-resistant to stored liquids
  • Premium resin – no fillers
  • No protective lining or coating needed
  • Designed to be 100% watertight
  • No ongoing maintenance or inspections required

Structural Strength

  • Not limited by water table
  • Integral, high-profile fiberglass ribs increase strength