Metadata for Tide Station (LCH) at Fresh Water Canal Locks (FRWL1)

About This Location

Latitude: 29.555000° N, Longitude: 92.304722° W, Horizontal Datum: NAD83

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 4 ft 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 -0.78 3.22 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL -1.26 2.74 ft Older USGS topographic maps, MSL benchmarks
Other Not Available 4.00 ft Mean Lower Low Water

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