Professional septic & wastewater solutions · Gauteng, South Africa
Engineered for South African properties

Complete septic systems.
Built to perform.

Septic tank supply, manufacturing and professional installation—supported by cleaning, bacteria solutions and practical aftercare for homes, farms, lodges and commercial sites.

2500L & 5000L optionsInstallation supportMaintenance services
Illustration of a complete septic tank system for a South African property
Quote team availableTell us about your site
01
2500L & 5000LSystem capacities
02
Supply & manufactureDurable tank options
03
Install & commissionSite-aware support
04
Clean & maintainLong-term performance
Complete wastewater support

More than a tank supplier.

From choosing the correct capacity to installation, biological support and safe waste removal, the service is structured around the whole life of your system.

01

Tank sales & manufacturing

2500 litre and 5000 litre systems with basic, Big Green and premium options for different property requirements.

View systems →
02

Professional installations

Site-aware installation support, connections, commissioning and practical guidance for long-term performance.

See the process →
03

Honeysucker & cleaning

Safe removal from septic tanks, grease traps and drains using professional equipment and experienced operators.

Cleaning services →
04

Bacteria solutions

Biological support designed to help reduce odours, break down organic waste and support system performance.

Bacteria support →
05

Mini sewage treatment plants

Compact wastewater solutions for sites requiring more advanced treatment than a conventional tank alone.

Treatment plants →
06

Commercial & development solutions

Wastewater planning for farms, lodges, schools, clinics, developments and other higher-demand properties.

Commercial solutions →
Four-stage diagram showing how a complete septic system works
A complete system, correctly matched

The right capacity is only the beginning.

Good performance depends on the property, expected flow, ground conditions, installation quality and maintenance plan.

Property assessment
Understand intended use, occupancy and wastewater demand.
System selection
Match the tank and treatment approach to the site.
Professional installation
Position, connect and commission the system carefully.
Ongoing support
Cleaning, bacteria treatment and practical aftercare.
Discuss your property
Designed around the application

Solutions for different sites and demands.

System choice should reflect the actual property, not a one-size-fits-all assumption.

🏠

Homes

Reliable domestic wastewater management for properties outside municipal sewer networks.

🌾

Farms

Robust systems suited to rural properties and variable occupancy.

🏡

Lodges

Solutions designed around guest demand and ongoing maintenance needs.

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Developments

Scalable planning for larger or multi-use properties.

Big Green Systems advert from Septic Tank Designs
Big Green Systems

Stronger. Cleaner. Lower maintenance.

A practical system range designed for South African conditions, with durable tanks and biological support options.

Simple project flow

From first call to a working system.

Tell us about the site

Share the location, property type, occupancy and current problem.

Choose the solution

The team helps narrow down the appropriate tank, package or service.

Plan & install

Confirm logistics, prepare the site and complete professional installation.

Maintain performance

Use cleaning and biological support when required.

Need a dependable solution?

Tell us about the property. We’ll help you plan the right system.

Send the site location, property type and the problem you need solved. The team will guide you toward the right tank, installation or cleaning service.

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