Backyard Bores & Geotech Drilling Pty Ltd are your North Queensland Geotechnical & Environmental Drilling specialists.

We offer the following environmental drilling and geotechnical products:

  • Contaminated soil/sand sampling (including asbestos) with equipment decon (Environmental Management Register and Contaminated Land Register listed sites)
  • Drilling and installing piezometer monitoring wells up to 60m depth
  • NDD, SPT (Standard Penetration Testing), DCP (Dynamic Cone Penetrometer), Geoprobe and push tubes, split spoon and auger sampling (AS1289, AS1726-2017, ASTM D3441 - ASTM D1586 - 08a)
  • Specialist PFAS / PFOA (fire fighting foam) contaminated soil sampling and environmental drilling
  • Test pumping of bores to Australian Standard AS2368–1990 from 2 hours to 2 days in duration.  Includes creation of official documents for city council requirements of subdivisions (0.3L/s over 6 hour period with recovery) 
  • 150mm ID Hollow stem augers,  150mm and 80mm continuous flight augers available
  • Well development using a combination of over pumping, surging or air lifting to protect the natural water sample 
  • Deep earthing, drilling for installation of earthing rods at substations
  • Downhole camera inspections and video reports
  • Decommissioning bores & wells
  • Water level logging long and short term
  • Flow rate logging from 0.1L/s to 100L/s

We have drilled and installed 3 times* the number of monitoring wells around Mackay compared to any other drilling company still operating.   Why?  Because our team uses the right equipment with the right processes in the right way for the right reason by utilising wisdom, judgment and discretion in the pursuit of your project’s goals.  (*April 2018 Queensland Spatial Data extract.)

We use and recommend Solinst water level data loggers and depth meters.


Backyard Bores & Geotech Drilling Pty Ltd have successfully completed works for the following:

  • Mackay Regional Council
  • Isaac Regional Council
  • Kleinfelder Environmental Consultants
  • CatCon Engineering & Construction
  • OWAD Environment
  • Cardno Ullman and Nolan Geotechnic Services
  • Environmental Management and Remediation Pty Ltd
  • Ogilvie Civil & Mining
  • Environmental Earth Sciences
  • Coffey Geotechnics
  • Douglas Partners
  • GHD
  • CQG
  • EPIC Environmental
  • North Queensland Airports Group (Mackay Airport)
  • Caltex, Mobil, Puma, Origin Gas, Ergon 
  • Onesteel, Aurizon
  • North Queensland Bulk Ports
  • Sibelco Australia
  • Prensa 
  • ATOM - Australian Terminal Operations Management
  • CMW Geosciences
  • Wilmar
  • BP Australia
  • Rock n Road Bitumen


We utilise products and services from the following businesses:

If you need experienced and licensed drillers, our team of drillers are also available for contract hire.