Latitude: 48.276389° N,
Longitude: 116.346389° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
2000 ft |
2063.5 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 2000) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
2003.87 ft |
2067.37 ft |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
2000 ft |
2063.5 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
| Other |
2000 ft |
2063.5 ft |
Observered and forecast lake levels, as well as flood stages, are in reference to NGVD29 datum. |
|