Welcome to hydrogeologist.com.au We are a boutique company offering consulting and contract services in hydrogeology and groundwater. Based in Brisbane, QLD, no matter how big or small the job, hydrogeologist.com.au provides services Australia wide and to the international community. hydrogeologist.com.au has access to an array of hydrogeologists, engineers, geoscientists, field technicians and equipment to ensure the work is completed to your satisfaction. hydrogeologist.com.au is led by Principal Hydrogeologist and Director Daniel Barclay, a skilled, practiced, capable and dependable hydrogeologist with over 20 years experience within the consulting, government and industry sectors.