Tank Cleaning

Vacuum and high-pressure cleaning for wastewater, sludge, oily water, process waste and other controlled waste streams.

Wash Pads

Wash-down bay and wash pad cleaning, including hydrocarbon waste, oily water separators and sump cleanouts.

Non-Destructive Digging (NDD)

Hydro excavation that safely exposes underground services (including electrical, gas and sewer) without the strike risk of mechanical digging. Our NDD trucks carry up to 4,000L of water.

Sewerage waste management

Sewerage waste collection and removal for mining camps, accommodation villages, industrial sites, treatment plants and regional facilities.

Waste Oil Removal & Recycling

Collection and disposal of waste oil and oily water from workshops, wash bays and plant, using licensed vehicles and local crews.

High Pressure Plant Washing

Cleaning mills, conveyors, equipment and washdown bays, plus sump and pit cleanouts. Ideal for removing built-up material and contaminants during maintenance or shutdowns.

Bulk Liquid Waste

High-volume liquid waste removal for shutdowns, tank cleanouts, bulk transfers and project work, with road train tankers already in the region.

Septic Tanks & Leach Drains

Scheduled and one-off septic tank and leach drain servicing for camps, depots, commercial facilities and regional properties.

Grease Traps

Routine grease trap servicing for mine site kitchens, accommodation camps, hospitality venues and commercial food operations.

Line Jetting

Clear blocked drains, sewer lines and pipework using high-pressure water jetting. GCW supports both scheduled maintenance and urgent line-clearing requirements.