[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR150.125] [Page 219] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 150--OPERATIONS--Table of Contents Subpart A--General Sec. 150.125 Water depth measurements. (a) The licensee shall measure water depth in the marine site if the Captain of the Port notifies the licensee that: (1) A severe storm may have significantly altered water depths; (2) Gradual natural or man-induced processes may have significantly altered water depths; or (3) User experience indicates that charted water depths may no longer be accurate. (b) The accuracy and adequacy of water depth measurements must be sufficient for nautical chart maintenance purposes.