Metadata for Clyde River at Mays Point Lock E-25 (ETRN6)

About This Location

Latitude: 42.999000° N, Longitude: 76.764000° W, Horizontal Datum: NAD83

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Observed Elevation Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Obs Elev + 0.6 ft Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Obs Elev + 1.7 ft Not Available Other reference datum is 1910 Barge Canal.

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