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Find a Hydrographer

The types of Certification shown in the List are Hydrographer, Inshore Hydrographer, and Offshore Hydrographer. The only Certification presently awarded is Hydrographer.
Before the advent of the Global Positioning System (GPS) and other modern systems for hydrography the distinction between Inshore and Offshore Hydrographer was primarily based upon the positioning system and map projection requirements, and on the distance of the survey from the positioning system reference stations. Separate project type examinations were given for the two categories.
When GPS, differential GPS, and kinematic GPS became universally used for most hydrographic projects it was no longer reasonable to distinguish between Inshore and Offshore Hydrographer. At that time the designation was changed to Certified Hydrographer, and the examination was changed to a proctored multiple choice examination covering all phases of hydrography whether inshore or offshore.
If you are a Active certified hydrographer and your name does not appear on the search, please contact Trish Milburn at 240-439-4615, ext. 105 or trisha.milburn@nsps.us.com


If you need to verify that someone is a Hydrographer and they do not appear on the list, contact Trish Milburn at 240-439-4615, ext. 105.


To search by State, Select United States from the drop down list under Country, The option to Select a State from the drop down will appear.




5119 Pegasus Court Suite Q
Frederick, MD 21704

Phone: 240-439-4615
Fax: 240-439-4952

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