Metadata for James River (VA) at Sewell's Point (SWPV2)

About This Location

Latitude: 36.946667° N, Longitude: 76.330000° W, Horizontal Datum: NAD83

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 4.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 -1.61 2.89 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 -0.80 3.70 Older USGS topographic maps, NGVD29 benchmarks
MSL -1.36 3.14 Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

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