Latitude: 30.097222° N,
Longitude: 93.721111° 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) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
Not Available |
4.00 ft |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
0.17 ft |
4.17 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
| Other |
0.33 ft |
4.33 ft |
This would be the value of the stage readings prior to 2009. |
|