Definitions for "Ordinary high water mark"
(SMP) That mark that will be found by examining the bed and banks and ascertaining where the presence and action of waters are so common and usual, and so long continued in all ordinary years, as to mark upon the soil a character distinct from that of the abutting upland, in respect to vegitation as that condition exists on June 1, 1971, as it may naturally change thereafter, or as it may change thereafter in accordance with permits issued by a local government or the department
An elevation that marks the boundary of a lake, marsh, or streambed. It is the highest level at which the water has remained long enough to leave its mark on the landscape. Typically, it is the point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial.
The mark on the shores of all waters, which will be found by examining the beds, and banks, and ascertaining where the presence, and action of waters are so common, and usual, and so long continued in all ordinary years, as to mark upon the soil a distinct character.