Latitude: 39.946389° N,
Longitude: 86.260278° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
NWS stage |
0 ft |
9 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 |
813.44 ft |
822.44 ft |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
NGVD 29 |
813.85 ft |
822.85 ft |
Older USGS topographic maps, NGVD29 benchmarks |
MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
Other |
816.85 ft |
825.85 ft |
prior to Oct 1, 1999 relocation |
|