Water-level values for this site are now being published using the
datum reference feet below land surface.
In order to convert the published values to a level in feet related to
sea level, subtract the land surface values from the altitude of land
surface, 9.92 (ft NGVD29).
The hydrograph below displays both feet below land surface and sea
level scales on the dual Y-axes.
This station managed by the MD-DE-DC Water Science Center Baltimore office.
Summary of all available data for this site
Instantaneous-data availability statement