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Welcome to The Hydrographic Society of America (THSOA)

US Hydro 2019 Presentations, White Papers and Lighting Rounds HERE

US Hydro 2019 Photo Gallery HERE

Be part of our educational efforts

The Hydrographic Society of America (THSOA) is a 501(c)3 non-profit organization committed to promoting education in hydrography, inshore surveying, inland waters surveying, offshore surveying, positioning and mapping/charting, including related earth sciences.                                                                                                                                                                                LEARN MORE

find your local chapter / join now


member benefits

Individual Memberships:

Corporate Members :
  • Discount on registration at THSOA sponsored events as well as some international conferences. For the biennial U.S. Hydro Conference you receive a discount on exhibit space and may also register any two employees of the organization at the member rate.
  • Free hot link on the Corporate Member page
  • Free Employment Opportunity advertisements on the web site and newsletter at no additional charge




Upcoming events

Scholarship information

THSOA National, the Houston Chapter & Southeast Chapter are each offering scholarships to full-time students seeking a two-year, 4-year or graduate degree in Hydrographic Surveying or other related fields. Nine scholarships will be awarded this year.


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