Environmental Drilling For Land Contamination Assessment

Legion Drilling is Australia's premier contaminated land drilling contractor. Our environmental drilling company operates a fleet of Geoprobe® machines from depots in Brisbane, Sydney and Townsville servicing all metropolitan and rural areas. All of our highly experienced geotechnical and environmental drillers are Certificate III qualified in Drilling Operations and hold minimum Class 1 Water-Well licences in Victoria, New South Wales, Queensland, South Australia and Northern Territory.

With the addition of sonic drill rigs to our fleet for environmental drilling services, we now offer the most effective solutions for landfill gas sampling and installation. Our suite of HRSC tools for real-time delineation of soil and groundwater contaminants ensures we can provide a more comprehensive ground investigation and site assessment than other environmental assessment contractors and environmental drilling companies in Australia.

Direct Push Samping

Direct Push Sampling

The standard for environmental site investigations in unconsolidated formations.

MORE
Monitoring Wells

Monitoring Wells

Licensed drillers and premium equipment to meet any project requirements.

MORE
Groundwater Sampling

SP16 Screen Point Groundwater Sampling

Collection of discrete groundwater samples for robust CSMs.

MORE
Pre Packed Wells

Pre-Packed Wells

Rapid installation of wells for denser monitoring networks.

MORE
Landfill Leachate Gas Bores

Landfill Leachate and Gas Bores

Safe and reliable installation of landfill bores using sonic rigs.

MORE
Vacuum Excavation

Vacuum Excavation and Utility Clearance

Non-destructive digging (NDD) to eliminate the risk of damaging subsurface services.

MORE
Featured
Site Screening to Closure – Brisbane, Sydney & Melbourne
Site Screening to Closure – Brisbane, Sydney & Melbourne

We are excited to present the 2nd Workshop on Advanced Technologies for Integral Contaminated Land Management, featuring an even larger delegation of North American experts for 2024.

Ecoforum/SustRem 2023: Sustainability in the Drilling and Remediation Industry
Ecoforum/SustRem 2023: Sustainability in the Drilling and Remediation Industry

Ecoforum/SustRem 2023 was the perfect platform for Legion Drilling to keep advocating for more sustainable site investigation and remediation approaches. We take pride in our commitment to sustainability and the steps we have been taking since our beginnings to lead the way toward a more eco-conscious drilling industry.

Load Testing 50mm Class 18 Threaded PVC
Load Testing 50mm Class 18 Threaded PVC

Measuring the load capacity of class 18 PVD threaded well casing. How deep do you think you could hang a 50mm. PVC well?

10 Reasons to consider Legion Drilling for your complex drilling programs
10 Reasons to consider Legion Drilling for your complex drilling programs

At Numac we thrive on providing solutions for challenging drilling programs. Our loyal clientele return for the support of a drilling contractor that can deliver in high risk and high performance situations.

Epic Sonic Drilling Journey
Epic Sonic Drilling Journey

Sydney based R20 Sonic crews have been on a 13 week tour which included quarantine, 4 states, 4 projects and a total of 6400km mobilization. Project requirements included 150mm production bores, Environmental monitoring wells, and Vibrating Wire Piezometers for a Geotechnical client. The rig completed projects in Queensland, South Australia, Northern Territory and New south wales.

Geotechnical and Environmental Testing begins at New Adelaide Women's Hospital
Geotechnical and Environmental Testing begins at New Adelaide Women's Hospital

Never a dull day as a drilling contractor. Our drill crews in Adelaide were part of the government PR machine this week undertaking a deep groundwater monitoring program

R01 - Our first Geoprobe returns to service after full rebuild and upgrade.
R01 - Our first Geoprobe returns to service after full rebuild and upgrade.

Geoprobe 6620 (R1) returns to service in 2020 after a full refit and upgrade by the Numac maintenance and engineering team. View a short video of the results.

Sustainable site investigation with Direct Sensing Tools (HRSC)
Sustainable site investigation with Direct Sensing Tools (HRSC)

At this point, 20+ years into the development of direct sensing technology there have been a multitude of arguments presented touting the technical and financial advantages of High-Resolution Site Characterisation (HRSC) using Membrane Interface Probe (MIP), Ultra-Violet Optical Screening Tool (UVOST) and Hydraulic Profiling Tool (HPT). 

Numac now in Cairns with Geoprobe 7822DT
Numac now in Cairns with Geoprobe 7822DT

To better service north QLD clients we now have a Geoprobe 7822Dt operating from a satellite base in Cairns Australia.

Resto-mod of Geoprobe 6620 Environmental drill rig
Resto-mod of Geoprobe 6620 Environmental drill rig

This is what a Geoprobe 6620 looks like stripped down to its component parts. Our fitters have recently commenced a complete overhaul and upgrade of “R1” our Geoprobe track mounted drilling rig.