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Dr. Gilles Wendling

Gilles Wendling, Ph.D., P.Eng, Senior Hydrogeologist


Dr. Gilles Wendling has near 30 years of experience in hydrogeology consulting.  He completed his Ph.D. in 1991. 


He has been involved in over 1,000 projects as a consultant and has worked for several consulting firms.  Early in his career, he dealt both with contaminated groundwater and drinking water.  Then he focused more specifically on water supply, aquifer characterisation, and watershed management and protection. Dr. Wendling started his own firm, GW Solutions, in 2005 in order to have the freedom to focus on water supply and watershed protection.


GW Solutions is focusing its activities on aquifers and watersheds, at a larger scale, and on surface water and groundwater interaction.  GW Solutions conducts a large portion of its activities working with First Nations.


Approach and Vision


Dr. Gilles Wendling considers every project as a large puzzle to be built.  It starts by identifying the key pieces, and using technical knowledge, curiosity, an open mind and adapted tools to gradually define the picture.   Time, budgets, and practical limitations do not allow us to gather all the pieces of the puzzle.  So, it is very important to reach a level of definition and a level of confidence that allows us to guide our clients and provide the knowledge and support to make educated decisions.


Dr. Gilles Wendling is very interested in public awareness and education on groundwater, aquifers, and water stewardship.  Therefore, at GW Solutions we aim to produce documents that are clear, well illustrated, and easy to understand, even for people without the hydrogeological technical knowledge.


Dr. Gilles Wendling has delivered nearly 100 public presentations and given radio and TV interviews.


Dr. Gilles Wendling is a co-author of the book “Canada’s Groundwater Resources”, Rivera et al., 2013.



Tel. 250 - 756 - 4538



202-5180 Dublin Way 
Nanaimo, BC V9T 0H2


Monday - Friday: 8:30 - 4:30



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Nanaimo (Head Office)

24-4800 Island Highway, Nanaimo, BC V9T 1W6

Ph: 250-756-4538



#210-233 W 1st St, N Vancouver, BC V7M 1B3

Ph: 778-820-0537



Office Hours: Monday to Friday 8:30am - 4:30pm

Closed all Statutory Holidays

Christmas Closure: December 23 to January 1, 2024

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