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While the data shown here represents the most current understanding of the location of DNR managed, state-owned aquatic lands, it should not be the sole basis for property ownership decisions. The original extent of state ownership of aquatic lands at the time of statehood was defined by the state constitution and management of those lands is governed by state law. Where transactions have occurred transferring previously state-owned aquatic lands into private ownership (via sales, grants or legislative transfers), DNR only has records of the original transaction.
This data does not show absolute geographic locations of the boundaries between state-owned and privately-owned aquatic lands due to the propensity of these boundaries to move over time (accretion or reliction), the difficulties in obtaining and reading historic records, and the complexity of tidal datums. Extreme Low Tide is represented as the most waterward boundary of the National Wetland inventory, which was demarcated in the 1980s by NOAA flights at Extreme Low Tide. Mean Low Tide is a protracted line 2/3 the distance between the shoreline and Extreme Low Tide. |