Latitude: 32.775037° N,
Longitude: 79.923990° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
NWS stage |
0 ft |
7 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 |
-3.14 |
3.86 |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
NGVD 29 |
-2.16 |
4.84 |
Older USGS topographic maps, NGVD29 benchmarks |
MSL |
-2.92 |
4.08 |
Older USGS topographic maps, MSL benchmarks |
Other |
-5.76 |
1.24 |
Mean Higher High Water (MHHW), which is used as a proxy for inundation. |
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