Septic tank installation at construction site

Based in the Bay of Plenty, Working Across New Zealand

Wastewater & Drainage
Specialists

Design, supply, installation, servicing and repairs of wastewater and drainage systems for homes, tiny homes, temporary dwellings, lifestyle blocks and rural properties.

The Septic Tank Guy works with homeowners, landowners, farmers and builders to deliver practical, reliable systems.

Septic & Drainage Systems Done Properly

30+ Years Experience
Certifying Plumber
Certifying Drainlayer
NZ-Wide Network
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Our Services

The Septic Tank Guy provides specialist septic, wastewater and drainage solutions for residential, rural and lifestyle properties.

Technical drawing showing septic tank plan and section views with dimensions, compartments, inlet, outlet, and underground construction details.

Septic & Wastewater Treatment Systems

Design, supply and installation of septic tank and wastewater treatment systems, including advanced and secondary wastewater treatment systems, for homes, lifestyle blocks and rural properties.

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Sewer pipe installation in ground trench

Drainage Systems

Residential and rural drainage, including stormwater and sewer systems for new builds, property upgrades and wastewater system installations.

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Concrete septic tank installation in an excavated pit with soil mounds surrounding the construction site in a rural area.

Servicing, Compliance & Repairs

Servicing, maintenance, compliance checks, repairs and pump-out coordination for septic tanks, wastewater treatment systems and drainage.

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Compliance matters more than ever.

Wastewater compliance is becoming more strictly managed, with systems under increasing scrutiny — it's not something you can afford to overlook.

If you're building new, upgrading an existing system, or maintaining an older one, you need to know what's required — and whether your system complies with current wastewater compliance requirements.

We'll help you understand what you have, what it means, and what's required for your property — based on your local council rules.

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Concrete tank installation underground

Why Choose The Septic Tank Guy

At The Septic Tank Guy, we take a practical, no-nonsense approach to septic tanks, wastewater systems and drainage — clear advice, the right system for your property, and work done properly the first time.

With extensive industry experience, we understand what works and what doesn't, and we work closely with homeowners, landowners, farmers and builders — and where required, alongside designers and engineers — to deliver systems that are built to last.

We understand the importance of timing on site and keep projects moving without unnecessary delays.

Practical advice
Reliable systems
Straightforward service
Built for long-term performance
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Septic tank system being installed in an excavated pit with soil piled on sides and green fields in background

30+

Years Experience

What We Do

Our Expertise

At The Septic Tank Guy, we provide practical, reliable wastewater and drainage solutions tailored to your property.

Septic & Wastewater Treatment Systems

We provide septic tank and wastewater treatment system design, supply and installation, including advanced and secondary wastewater treatment systems, for homes, alternative dwellings, lifestyle blocks and rural properties across New Zealand.

  • Septic system design
  • Supply of wastewater treatment systems
  • Full installation
  • System upgrades and replacements
  • Advanced and secondary wastewater treatment systems
  • Advice on selecting the right system
New septic tank installation
Trench excavation for drainage

Drainage Systems

We provide residential and rural drainage solutions for new builds, renovations and property upgrades, including drainage required for septic tanks and wastewater treatment systems.

  • Stormwater drainage
  • Sewer drainage
  • Water tanks and pump systems
  • Drainage for new builds
  • Drainage for renovations
  • Rural drainage systems

Servicing, Compliance & Repairs

We provide servicing, maintenance and repair services for septic tanks, wastewater treatment systems and drainage to ensure they continue to operate properly and meet council and regional requirements.

  • Septic tank servicing
  • Maintenance checks
  • Compliance checks
  • System troubleshooting
  • Repairs
  • Pump-out coordination
Concrete well cover installation

Bay of Plenty Based. New Zealand Wide.

The Septic Tank Guy provides septic tank installation, wastewater treatment systems and drainage services across New Zealand, with a base in the Bay of Plenty.

We understand that many parts of New Zealand — particularly rural and remote areas — can be difficult to service. Using our team of trusted and qualified professionals, we take control and deliver wastewater and drainage solutions nationwide, with direct involvement from start to finish.

From Northland and Waiheke through to remote areas across the country — including places as far as Stewart Island — we've got you covered.

Get in Touch

Need advice or a quote for your septic or drainage project?

We're here to help — get in touch and we'll talk you through the right solution.

Call Us

+64 21 882 043

If we miss your call, leave a message and we'll get back to you as soon as we can.

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Or email us at:

[email protected]

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