Need a wastewater system, septic tank, Advanced Enviro-Septic, aerobic system or even siteworks and retaining walls?

Give South Coast Excavations a call. We cover the Fleurieu Peninsula from Cape Jervis to Aldinga to Milang, Clayton and Goolwa.

Murray Mill from South Coast Excavations


South Coast Excavations are experts when it comes to wastewater and sewage treatment projects, but we can also assist you with a range of other earthmoving and excavation projects.

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Advanced Enviro-Septic systems

AES systems

South Coast Excavations can supply and install a range of wastewater systems, including Advanced Enviro-Septic systems which don’t require power, chemicals or quarterly maintenance.

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Retaining wall

Retaining Walls

South Coast Excavations are well experienced in designing and constructing retaining walls on the Fleurieu Peninsula, including carrying out the excavation work.

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Aerobic tank installation Goolwa

Wastewater systems

South Coast Excavations can supply and install a range of wastewater and septic systems, including primary and secondary treatment options throughout the Fleurieu Peninsula.

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Biocycle system

Septic Tanks

South Coast Excavations can assist with supplying, installing and even helping you choose the right septic tank and to get council approval for your wastewater system.

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Stormwater & Trenching

South Coast Excavations don’t just handle wastewater systems, we’re also known for our stormwater installations and trenching jobs throughout the Fleurieu Peninsula.

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What our customers say …

Jenny and I would like to thank you for your work and ideas on the block and your personnel have done a marvelous job on the retaining wall, I know we have more work to be carried out but I just had to give you my praise on a good job.

Glen Blackmore - Nov 2019

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