About Us

Glenn Harrington

B.Sc. Hons. PhD.

Director and Principal Hydrogeologist

Glenn is a highly motivated and widely respected hydrogeologist with more than 20 years experience in groundwater assessment and management. He began his professional career in the South Australian Government where he worked for many years in a variety of roles ranging from research and technical assessment through to policy development and senior management. After a year working abroad as a postdoctoral scientist in Canada, Glenn had another two-year stint in state government before moving into the private sector for a year. From 2008 to 2013, Glenn was the Groundwater Research Stream Leader at CSIRO Water for a Healthy Country Flagship where he was responsible for securing and leading large, multi-disciplinary projects in many parts of the country, including northern Australia, the Great Artesian Basin and Tasmania.

Glenn has considerable technical expertise in arid zone hydrology, estimating fluid flow and solute transport in aquitards (i.e., lowpermeability rocks), surface water-groundwater interaction, isotope hydrology, environmental geochemistry and groundwater modelling. He has published widely in the international, peer-reviewed scientific literature, and has attended numerous international conferences including many as an invited speaker. Glenn has served on a number of committees including the Technical Audit Panel for the Victorian Department of Sustainability and Environment. He has also worked with the International Atomic Energy Agency, both as a technical consultant (Vietnam) and as an active participant in Coordinated Research Projects (USA and Austria).

Nikki Harrington

B.Sc. Hons. PhD.

Principal Hydrogeologist

Nikki has over 15 years of experience in the application of environmental tracer techniques and numerical modelling approaches to improve the conceptualization of groundwater flow systems. Her PhD focused on the use of environmental tracers to investigate the movement of brines below salt lakes, with particular emphasis on the role of an aquitard on brine migration. During her eight years working in State Government, she was involved in numerous projects applying environmental tracer and numerical modelling techniques to resource assessment investigations in the Murray Basin, Eyre Peninsula and the South East of South Australia. These projects also caused her to work at the interface between science and water management, where she developed a strong interest in this area. A post-doctoral fellowship in Saskatchewan, Canada, on processes controlling the isotopic compositions of dissolved oxygen and nitrogen in groundwater, expanded this experience to a range of geological and hydrochemical settings. Nikki recently worked as a Research Associate at the National Centre for Groundwater Research and Training, as Project Leader for the Goyder Institute-funded South East Regional Water Balance project.

Nikki has experience in hydrogeology, geochemistry, isotopic studies and groundwater modelling across government, private sector and university environments and a demonstrated ability to deliver high quality work within required timeframes. She has experience in liaising at all levels with a wide range of stakeholders and an ability to focus on regional- as well as local-scale issues. Above all, Nikki has a strong commitment to producing high quality technical work to support groundwater management.

Daniel Wohling

B.Sc. Hons.

Senior Hydrogeologist

Daniel is a hydrogeologist with over 15 years experience working in South Australia, the Northern Territory and Western Australia. Daniel joined IGS in February 2017 after 15 years working for the South Australian Government where he was responsible for managing small to regional groundwater resource assessment projects, many of which involved remote or isolated field work.

Daniel’s capabilities include characterisation of groundwater recharge and discharge, regional groundwater flow, aquifer connectivity (including classifying source water for groundwater dependent ecosystems) and groundwater resource capacity, and the development of water supply and irrigation design strategies. Daniel has technical expertise in aquifer pumping tests, hydrochemistry and environmental tracers, analytical groundwater modelling, and the design and implementation of groundwater monitoring networks. Daniel is highly organised and committed to regular communication to ensure timely delivery of practical outcomes that meet client expectations.

Jordi Batlle-Aguilar

B.Sc. M.Sc. PhD.

Senior Hydrogeologist

Jordi has more than 10 years’ experience in hydrogeology in the application of innovative hydrogeological techniques to support water resources assessment, as well as human health and ecological risk. Jordi has expertise in surface water–groundwater interaction, site investigation, use of environmental tracers and hydrogeochemistry to determine recharge rates, sources and cross-contamination between aquifers, estimating fluid flow and solute transport in aquifers and aquitards, design and implementation of groundwater monitoring networks, and groundwater modelling. Jordi has gained an important breadth of knowledge and skills thanks to having worked in a rich variety of projects, environments and climatic settings, from urban Europe (Spain, France, Belgium, Switzerland and Romania), to remote areas of Africa (Burkina Faso), Australia and the central plains of the United States of America.

Since the end of his Ph.D. Jordi worked in several universities in Europe and Australia. Between 2014 and 2017 Jordi worked in Kansas (USA) where he coordinated fundamental and applied research projects on groundwater quality and hydrogeology, of both national and local significance. During that time Jordi also supported the Kansas Geological Survey’s efforts in the areas of technical service and communication, education and public information, routinely collaborating with local stakeholders, water districts and state water agencies. Jordi has comprehensively published in international peer-reviewed journals, authored several project reports and presented at numerous international conferences.

Tariq Laattoe

BSc. Hons. PhD

Senior Groundwater Modeller

Tariq is a hydrogeologist with 10 years' research and consulting experience specialising in groundwater modelling. His interest in cutting-edge groundwater modelling techniques, and exceptional numerical and computing skills have seen him work across a diverse range of modelling projects, including the simulation of groundwater flow, and solute, heat and reactive transport under saturated, variably saturated and variable density conditions.

Tariq has a particular interest in the application of the latest groundwater model calibration and uncertainty analysis methods, now widely recognised as critical in the effective application of groundwater models for decision-making. He also regularly uses statistical modelling techniques to better explain the uncertainty in outputs of models of natural systems. Using his specialized Python scripting skills, Tariq often develops customised tools to help clients and stakeholders use groundwater models more easily for optimization and decision-making.

Tariq has worked on projects to estimate impacts of climate change, floodplain environmental watering and seawater intrusion on groundwater resources. His excellent communication skills and an ability to work within tight timeframes ensure that the maximum benefit is achieved from his high quality technical work.

Amie Leggett

Senior Environmental Scientist

B.Sc. M.Sc.

Amie is an experienced Environmental Scientist specialising in aquatic sciences. Amie has 14 years’ experience across both the public and the private sector managing and conducting environmental studies and is well versed in the review and application of legislative and government guidance requirements for environmental management. Amie has worked on a diverse range of projects spanning water and sediment chemistry, aquatic ecology, and impact/risk assessment in fresh waters, marine and groundwaters. These experiences have taken Amie to a wide variety of locations; Brazil, Indonesia, Papua New Guinea and the Republic of Congo as well as some of the remote and unique regions of Australia. They have provided Amie with a broad range of skills and knowledge applicable across environments and sectors and given her a keen appreciation of environmental and social interlinkages.

Most recently, Amie has been working in the Northern Territory focussing on the successful closure of the Ranger Uranium Mine in the world heritage listed, Kakadu National Park. Her role supported the mine closure process through stakeholder engagement, expert technical assessment of closure proposals and the application of the complex regulatory framework which surrounds Ranger mine. During this time Amie was also involved in the development of an integrated research and monitoring program including surface water, groundwater, aquatic biota and ecosystem restoration using cutting edge technologies. Amie also has a keen interest in the development and implementation of remote sensing and spatial analysis methods to enhance environmental decision making in an era of increasingly accessible and abundant data capture.

Andrew Dabovich



Andrew is a professional Hydrogeologist and environmental scientist with over 15 years’ experience working in diverse industries, including environmental, geoscience and mining, with a solid understanding of hydrogeology, geology, environmental management, and earthwork engineering. He has successfully supervised large mine dewatering programs, associated compliance reporting as well as identifying environmental risks to both Government and business. Andrew is experienced and comfortable with remote field work, hydrogeological drill rig supervision and contractor management. His current projects include bore integrity assessments in remote parts of the Great Artesian Basin.