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Wastewater & effluent tanks

Underground FRP tanks for wastewater and effluent, corrosion resistant to the stored liquid and the surrounding soil, and designed to be 100% watertight.

Get a price

Tell us roughly what you need. A sales engineer for your state replies within 2 business days.

Have drawings or a full spec? Use the detailed quote form, or call NSW +61 2 4964 8270 or WA +61 8 9434 1707.

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Overview

Mullaly underground wastewater tanks have integral fibreglass ribs for strength, so they are not limited by the water table.

The FRP laminate resists corrosion from the stored effluent and the surrounding soil, with no protective lining, coating or ongoing inspection required.

The tanks are light to ship, and a large-capacity tank fits on one truck bed. No ongoing maintenance is required.

The same tanks are listed on the Mullaly website as wastewater storage tanks.

Typical applications

  • Subdivisions and residential developments
  • Commercial and industrial sites
  • Remote and mining sites
  • Caravan parks, schools and sporting facilities
FRP underground wastewater tank
FRP underground wastewater tank

Construction

MaterialFRP (fibreglass reinforced plastic)
ResinPremium resin without fillers
StructureIntegral, high-profile fibreglass ribs
Wall typeSingle-wall or double-wall
WatertightnessDesigned to be 100% watertight
CorrosionRust and corrosion proof; no protective lining or coating needed
InstallationUnderground and select above-ground installations

Standards

  • StandardOn request
  • ISO 9001Quality management certification at Tomago NSW and Kwinana Beach WA

Compatible media

  • Wastewater
  • Effluent

Need a different size or fit-out?

We build to your spec. Send us the application, capacity and site, and a sales engineer covering your state will reply within 2 business days.

Send us your spec

70,000L FRP wastewater tank. Drag to turn it, pinch or scroll to zoom.

Where it’s been used

Townsville QLD · Case study

North Queensland Stadium

Mullaly FRP emergency storage tanks supplied with a pre-fitted pump station for the 2020 NRL season.

Mascot NSW · Case study

Sydney Airport, Pier B

Two 85,000L FRP overflow storage tanks alongside a combo pump station under an A380 stand.

Common questions

Can’t see yours? Call NSW +61 2 4964 8270 or WA +61 8 9434 1707.

No. The FRP laminate resists corrosion from the stored effluent and the surrounding soil, with no protective lining or coating.
Yes. The integral fibreglass rib design means the tanks are not limited by the water table.
Up to 150,000L for some applications.
Yes. The tanks are light to ship, and a large-capacity tank fits on one truck bed.

Request a quote

A few details up front means your quote comes back faster, from the right engineer for your state. We price each tank to your spec, with no obligation, and reply within 2 business days.

1 Your project
Installation
2 Drawings & specs optional
3 About you

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