Metadata for Lake Chelan at Purple Point at Stehekin (STKW1)

About This Location

Latitude: 48.306111° N, Longitude: 120.653056° W, Horizontal Datum: Not Available

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 Not Available 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 Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1,000 Not Available Vertical Datum of gage is Sea Level 1912, which is 1.73ft below NGVD29

Other Real-time and/or Archive Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Purple Point at Stehekin

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