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GW-SW Pty Ltd
  • was founded by Dr Lloyd Townley who continues to provide services to the water, environment and mining sectors, either directly through GW-SW Pty Ltd or in collaboration with other larger consulting firms
  • offers specialised consulting services, including expert opinion, reviews, groundwater flow and solute transport modelling (using FEFLOW and MODFLOW), integrated and risk-based water management studies (using GoldSim), coupled groundwater - surface water interaction (after which the company is named) and more
  • provides a selection of technical resources for the benefit of others

Previously known as Townley & Associates Pty Ltd ("T&A") and NTEC Environmental Technology ("NTEC"), GW-SW Pty Ltd ("GW-SW") offers services mostly to a local market in Australasia, but potentially to clients anywhere.

LATEST NEWS
  • December 2025: GW-SW Pty Ltd is pleased to announce that as of 1 December 2025, Dr Lloyd Townley has relocated to Sydney, and is continuing to offer professional services wherever they are required. Please contact

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