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Cooperative Charting Program Information


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The Cooperative Charting Program of the United States Power Squadrons is conducted in close coordination with the Marine Chart Division, National Ocean Service, National Oceanic and Atmospheric Administration of the U.S. Department of Commerce. The Program is a major public service of USPS. Under it, members supply information to the Marine Chart Division of NOS/NOAA leading to corrections to nautical charts, small craft charts, and Coast Pilot publications. They also supply data on depth surveys, range status, geodetic marks, and aeronautical charts. The Adopt-A-Chart subprogram enables individual squadrons to adopt a chart in their location and get recognition on new editions for their work. We have been told that the Cooperative Charting Program is recognized as the most effective user-participation program in all of the Federal services.

HSPS has adopted chart 11326 and is requesting permission to adopt chart 11319 on the intracostal waterway in addition.




Next big HSPS Co-op Charting event is:

September 24th

HSPS members should contact Co-op Charting Chairman P/C Dick Snapp, AP, to volunteer, for information, for procedures, to be assigned to a boat, or to obtain an area to survey.



Houston Ship Channel area Security Zones   (Big File - 3.7MB)



Recent Uncharted Navigation Finds in Clear Lake and Galveston Bay

None at this time

Important information on pending changes in Clear Lake


Flood damage reduction measures. Clear Creek Project


The following note is summarized from a Nassau Bay official flier that was received from the city on August 2, 2003:

The City of Nassau Bay is currently working with the U.S. Army Corps of Engineers on locating a site for placement of excavated materials removed during our future dredging project. [March 2005 update: The previously selected site shown on the figure below has been rejected.] The site will be filled with excavated material to re-create shallow water habitat, wetlands marshes, and upland birding habitats that existed in this area prior to the development of Nassau Bay.

Nassau Bay dredging and residue sites

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