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- In significant coastal estuarine habitat and recreational areas it extends inland to the first major ridgeline or 5 miles from the mean high tide line, whichever is less. In developed urban areas, the boundary is generally less than 1,000 yards.
coast.noaa.gov › data › czmSTATE COASTAL ZONE BOUNDARIES DEFINITION OF STATE’S COASTAL ...
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Mean Higher-High Water: MHW: Mean High Water: MTL: Mean Tide Level: MSL: Mean Sea Level: DTL: Mean Diurnal Tide Level: MLW: Mean Low Water: MLLW: Mean Lower-Low Water: STND: Station Datum: GT: Great Diurnal Range: MN: Mean Range of Tide: DHQ: Mean Diurnal High Water Inequality: DLQ: Mean Diurnal Low Water Inequality: HWI: Greenwich High Water ...
The Commission is the recognized authority for determining the location of the ordinary high water mark in California. The United States Supreme Court has ruled that in tidal areas the boundary is to be located by identifying the intersection of the mean high tide line with the shore ( Borax Consol., Ltd v.
May 9, 2016 · Mean High High Water. Mean High Water. Mean Low Low Water. States use various tidal datums to delineate shorelines and jurisdictional boundaries, which serve many legal, technical, and general uses. The above graphic shows some of the tidal datums commonly used to define shorelines and boundaries.
Mean Higher High Water The average of the higher high water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch.
Aug 14, 2014 · Federal regulations define the ordinary high water mark (OHWM) as “that line on the shore established by the fluctuations of water and indicated by physical characteristics such as a clear, natural line impressed on the bank, shelving, changes in the character of soil, destruction of terrestrial vegetation, the presence of litter and debris ...
Oct 12, 2009 · For legal purposes, the Court held, the line lies where it would lie, if shore-defense structures such as levees and seawalls had never been built and water allowed to flow unconstrained onto the land. Much of the San Francisco Bay Area (especially the South Bay) has subsided. All of the Delta has.
Sep 15, 2014 · San Francisco Bay Overview. San Francisco Bay consists of three main bays—San Francisco, San Pablo and Suisun—and several smaller bays. Together with the Delta, the Bay Delta covers some 1,600 square miles and flows more than 70 miles from the coast to the center of the California.
