Looking for sewage treatment plants in Johannesburg? SepticTankCleaning.co.za puts homeowners, smallholders, farms, lodges and businesses in Johannesburg in touch with a treatment plant supplier who works in Johannesburg and nearby areas of Gauteng. Fill in the job card and you receive a quote directly, free and with no obligation.
Sewage Treatment Plants in Johannesburg
Sewage treatment plants in Johannesburg are mainly wanted by estates, lodges, schools and industrial sites that sit beyond the municipal network or have outgrown a septic system. Give the daily flow, the number of users and where treated water will go, so suppliers serving Johannesburg and the rest of Gauteng can propose a suitable plant.
Want to know more first? Our sewage treatment plants guide covers the options, what to check and what affects the price.
Septic tanks and drainage in Johannesburg
Most of Johannesburg is on the municipal sewer, so septic and conservancy tanks turn up in pockets: older homes in the south, plots on the city edge such as Lanseria and Diepsloot, and commercial sites where connections never reached. Conservancy tanks serve some new developments waiting for bulk services, and tanker trips to the Goudkoppies and Olifantsvlei works are common. Rocky ridges and clay mean soakaways drain slowly in summer storms. Honey sucker operators work from the southern and western industrial areas and cover most suburbs the same day, though peak weeks after heavy rain run behind. Ask what size tank you have before booking.

Typical sewage treatment plants requests in the area come from:
- Houses: rarely used at a house; a septic tank or biodigester is normally enough
- Restaurants, shops and offices: a plant for a mall, hotel or filling station away from the sewer network
- Estates and complexes: a package plant for a whole estate, with treated water used on common gardens
- Factories, mines, sites and events: a plant for a mine camp or factory, with sampling and waste records
- Schools, churches and clinics: a plant for a boarding school, clinic or hospital with steady, large flows
- Smallholdings and plots: a small plant for a large smallholding with several homes and heavy use
Local tips for Johannesburg
In Johannesburg, the most common systems are conservancy tanks on new sites, old septic tanks in older homes, grease traps in shops. Operators and suppliers mostly work from southern and western industrial areas, with tankers also running from Roodepoort. A useful tip: ask which works the load is tipped at and for a disposal slip.
Sewage Treatment Plants usually means aerated plant: activated sludge or MBBR, for 5 to 500 kL a day, built to suit, serviced monthly, sludge removed as needed. Ground in the area: clay and rocky ridges: soakaways drain slowly after summer rain.
What to include in your request
- Daily flow in kilolitres, or the number of users
- Where treated water will go: irrigation, dam or river
- Power supply on site, or a generator or solar
- Plant type preferred: activated sludge, MBBR or open
- Whether you need servicing and sampling after commissioning
The more detail you give, the more accurate your quote will be.
Service area: Johannesburg and surrounds
Operators, contractors and suppliers on our network work in Johannesburg and surrounding areas, including Sandton, Randburg, Roodepoort, Soweto, Rosebank, Fourways, Melville. Give the suburb, holding or farm name so the quote can include travel, and say how soon you need someone.
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