10 water consultants
Desalination, industrial cooling water, wastewater process design, Clean Water Act compliance and utility capital programs each have a specialist among these water consultants, three of whom hold senior roles at Ramboll, Geosyntec Consultants and HDR. Six are based in the United States, three in England and one in the Netherlands, a spread that helps a utility or plant owner pick help for a treatment upgrade, a reuse scheme, a permit question or a services contract.
Professionals to explore
Adrienne Nemura
LinkedInExperience: Senior Principal · Geosyntec Consultants
Adrienne Nemura has been a Senior Principal at Geosyntec Consultants since 2025, after Principal there (2015 to 2025), and was Vice President of Clean Water Act Services at LimnoTech (1997 to 2012). Nemura reports working for more than 50 cities and wastewater utilities on water quality goals and Clean Water Act compliance, the clearest fit here for permit and water quality questions.
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Cor Merks
LinkedInExperience: Senior Expert in Ramboll's Global Competence Centre for Water and Wastewater Treatment · Ramboll
Within Ramboll's Global Competence Centre for Water and Wastewater Treatment, Cor Merks has been a Senior Expert since 2025, after Managing Consultant Global Advanced Water Treatment at Ramboll Netherlands BV (2023 to 2025). Merks describes 35+ years in design, engineering, operation and maintenance of water and wastewater assets, including industrial water reuse, and was a Senior Consultant at Witteveen+Bos.
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Dan Sampson
LinkedInExperience: Principal Technical Consultant - Power, Water, Wastewater, Water Recovery and Reuse · HDR
Industrial and power plant water treatment is Dan Sampson's area as Principal Technical Consultant - Power, Water, Wastewater, Water Recovery and Reuse at HDR since 2017, with the same kind of title at Worley from 2009 to 2017. Sampson reports over 35 years in industrial and hydrocarbon water treatment, 25 of them on power plant water systems, and was a Corporate Water Specialist at Calpine.
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Edward Wetzel
LinkedInExperience: Principal · Wetzel Consulting, LLC
Engineering and management consulting to the water and wastewater utility industry, on capital program management, utility transactions, asset condition assessment and strategic planning, is what Edward Wetzel has provided as Principal of Wetzel Consulting, LLC since 2012. Wetzel was also a Senior Program Specialist at Stantec Consulting (2012 to 2020) and Executive Vice President Sector Mgr at R.W. Beck.
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James Green
LinkedInExperience: Principal Consultant & Founder · Industrial Water Advisory
Cooling water, scale, corrosion and inhibitor programs for refining, power and data centers are the specialty of James Green, who founded Industrial Water Advisory, first as Chief Executive Officer (1996 to 2009) and since May 2026 as Principal Consultant & Founder. Green was Director, Marketing and Tech Services, Downstream water and process treatment - IMEA at Ecolab (2022 to 2026) and held roles at Veolia Water Technologies & Solutions.
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Nikolay Voutchkov
LinkedInExperience: Chief Executive Officer · Water Globe Consultants, LLC
Nikolay Voutchkov has been Chief Executive Officer of Water Globe Consultants, LLC since February 2026, after Executive Director at NEOM (2023 to 2026), and was its President from 2009 to 2023. Voutchkov describes over 35 years in desalination, brine valorization and water reclamation, including dispute resolution and contract development, and was Chief Technology Officer at Poseidon Resources (1998 to 2009).
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Perry Lankford
LinkedInExperience: Principal Consultant · Lankford Consulting PLLC
A private consultant in industrial wastewater treatment, Perry Lankford has been Principal Consultant at Lankford Consulting PLLC since 2013, with over 40 years of problem definition, process design, startup and troubleshooting for hydrocarbon, paper, chemical and pharmaceutical companies. Lankford was a Director at Black & Veatch (1995 to 2001) and worked at Veolia Water Systems North America, CH2M and Tetra Tech Inc.
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Peter Cooke
LinkedInExperience: Director and Wastewater Treatment Consultant · Water Ltd
Peter Cooke has been Director and Wastewater Treatment Consultant at Water Ltd since 2022, having been a Director there from 2002 to 2015 and a Senior Development Engineer at Ondeo Italia SpA in between. Cooke's specialties include wastewater treatment plant process design and diagnostic services with chemical and microbiological analysis, covering DAF, MBR and anaerobic processes, a fit for troubleshooting a plant.
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Robin Phillips
LinkedInExperience: Senior Commercial Water Consultant · Commercial-Water-Consulting.com
Water services contracts and procurement questions fit Robin Phillips, Senior Commercial Water Consultant at Commercial-Water-Consulting.com since July 2025, after years at Severn Trent Services as Head of Strategic Projects, Head of Strategy and Sustainability (2022 to 2024) and Head of Contracts and Compliance (2016 to 2022). Phillips combines commercial, technical and operational experience.
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Roger Falconer FREng
LinkedInExperience: Director · Roger Falconer Water Consultancy Ltd
Water and environmental engineering and lagoon projects are the fit for Roger Falconer FREng, Director of Roger Falconer Water Consultancy Ltd since 2016 and Emeritus Professor of Water & Environmental Engineering at Cardiff University, where Falconer was Professor of Water Management from 1997 to 2018. Falconer is also a Director of West Somerset Lagoon Ltd.
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Choose the right perspective
Plant owners with scale, corrosion or industrial wastewater problems should look first at James Green, Perry Lankford, Dan Sampson or Peter Cooke. Desalination and reuse fit Nikolay Voutchkov and Cor Merks; permits and water quality limits fit Adrienne Nemura; utility capital programs Edward Wetzel; water services contracts Robin Phillips; and academic water and environmental engineering Roger Falconer.
Questions to take into the conversation
- 01How do you scope a water or wastewater treatment upgrade so the design matches what the plant actually receives?
- 02When does water reuse or desalination make economic sense compared with buying more supply?
- 03What should a utility or industrial site prepare before negotiating new discharge limits with a regulator?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.