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Are you searching for septic system installation, HSTP servicing, or the best septic tank solutions in Queensland?

  • Writer: Statewide Wastewater
    Statewide Wastewater
  • Aug 7
  • 3 min read

Whether you're in the Scenic Rim, Somerset, South Burnett, Moreton Bay, or Sunshine Coast Hinterland, this is the most up-to-date guide for 2025. Learn everything you need to know about septic tanks, HSTPs (Home Sewage Treatment Plants), installation costs, servicing, council rules, and more.


We created this guide to answer every question homeowners, builders, and property developers have about septic tanks and wastewater systems in Queensland.


What is a Septic System vs. HSTP?


Septic Tank System: A traditional underground tank where solids settle and liquids disperse into trenches. Best suited for rural properties with suitable soil.

HSTP (Home Sewage Treatment Plant): A modern treatment system that actively treats sewage and wastewater to a higher standard, allowing safe reuse of treated water on gardens and lawns.



How Do Septic Systems & HSTPs Work?

Both systems process household wastewater, but how they do it differs:

  1. Wastewater Flow: From toilets, showers, sinks, kitchen, and laundry

  2. Separation & Treatment:

    • Septic: Separates solids and lets effluent flow into trenches

    • HSTP: Treats wastewater through multiple chambers including aeration and disinfection

  3. Disposal or Reuse:

    • Septic: Effluent soaks into soil

    • HSTP: Treated water can be reused on gardens

Types of Wastewater:

  • Blackwater: From toilets

  • Greywater: From showers, laundry, and sinks




Do You Need a Septic Tank or HSTP?

If your property is not connected to town sewerage, you're required to install an onsite wastewater system.

You definitely need one if:

We help with all necessary council approvals for septic tanks and HSTPs.


Installation Process (Start to Finish)

Our 5-Step Installation Includes:

  1. Property inspection + system recommendation

  2. Site soil testing + wastewater design

  3. Council paperwork submission

  4. Excavation + tank/system installation

  5. Compliance inspections + final handover

From start to finish, Statewide Wastewater makes the process seamless.

Septic & HSTP Servicing in QLD

QLD regulations require most HSTPs to be serviced every 3 months by a licensed provider.

What We Service:

  • Taylex systems

  • Ozzi Kleen HSTPs

  • Aqua Nova

  • Fuji Clean

  • BioCycle

  • All other domestic wastewater systems


Common Septic System Issues (We Fix Them All)

We regularly respond to issues like:

  • Septic tanks smelling or overflowing

  • HSTP alarms beeping or lights flashing

  • Sludge build-up or effluent ponding

  • Blocked absorption trenches

  • Systems failing inspections

Need a reliable local expert? We’re licensed for all things plumbing, drainage and gas, so we can handle all related site work.


Why Statewide Wastewater is Queensland's #1 Choice

  • Approved installers across all major brands (Ozzi Kleen, Taylex, Aqua Nova, Fuji Clean, BioCycle etc).

  • Trusted in Scenic Rim, Somerset, Moreton Bay, Lockyer Valley & all of SEQ!

  • Fully licensed and insured

  • End-to-end service: design, council, install, maintain

  • One point of contact = less stress

We deliver complete wastewater solutions that are efficient, eco-friendly, and fully compliant.

Some Areas We Service

We install and service septic systems and HSTPs across:

Wherever you are in SEQ, we’re your go-to septic system specialist.

council-approved septic system design and plumbing certification in QLD

FAQs

Q: How much does a septic tank cost to install in Queensland?

A: Prices vary depending on your site and system choice.

Q: What septic system brand should i pick ?

A: We install all brands of systems eg: Ozzi Kleen, Taylex etc, Reach out and we can discuss your options.

Q: Can I upgrade from an old septic tank to a new HSTP?

A: Absolutely. We do full upgrades with council sign-off.

Q: Are septic systems legal in the Scenic Rim?

A: Yes – but must meet local council design and installation standards. We handle this.

Q: How do I know if my HSTP is working properly?

A: Regular servicing is required. Warning lights, smells, or soggy lawns may signal a fault.


Get a Quote Today

We’ve helped hundreds of QLD property owners get fully compliant wastewater systems that work.

📞 Call Statewide Wastewater now (0406 288 142) or fill in our fast online form (HERE).


✅ Design, council approval, installation, and servicing – we do it all.

Your trusted septic & HSTP experts across South East Queensland.

 
 
 

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