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Hydrograph River at a Glance Download  
Loyalhanna Creek at Loyalhanna Dam Pool Observed crest: 920.1 ft at 9:00am Nov 21 Observed: 919.96 ft at 8:00pm Nov 20 Observed: 919.97 ft at 9:00pm Nov 20 Observed: 919.98 ft at 10:00pm Nov 20 Observed: 919.99 ft at 11:00pm Nov 20 Observed: 920.01 ft at 12:00am Nov 21 Observed: 920.02 ft at 1:00am Nov 21 Observed: 920.03 ft at 2:00am Nov 21 Observed: 920.04 ft at 3:00am Nov 21 Observed: 920.05 ft at 4:00am Nov 21 Observed: 920.06 ft at 5:00am Nov 21 Observed: 920.07 ft at 6:00am Nov 21 Observed: 920.08 ft at 7:00am Nov 21 Observed: 920.09 ft at 8:00am Nov 21 Observed: 920.1 ft at 9:00am Nov 21 Observed: 920.1 ft at 10:00am Nov 21 Observed: 920.1 ft at 11:00am Nov 21 Observed: 920.1 ft at 12:00pm Nov 21 Observed: 920.1 ft at 1:00pm Nov 21 Observed: 920.1 ft at 2:00pm Nov 21 Observed: 920.1 ft at 3:00pm Nov 21 Observed: 920.1 ft at 4:00pm Nov 21 Observed: 920.1 ft at 5:00pm Nov 21 Observed: 920.1 ft at 6:00pm Nov 21 Observed: 920.1 ft at 7:00pm Nov 21 Observed: 920.1 ft at 8:00pm Nov 21 Observed: 920.09 ft at 9:00pm Nov 21 Observed: 920.09 ft at 10:00pm Nov 21 Observed: 920.09 ft at 11:00pm Nov 21 Observed: 920.08 ft at 12:00am Nov 22 Observed: 920.08 ft at 1:00am Nov 22 Observed: 920.08 ft at 2:00am Nov 22 Observed: 920.08 ft at 3:00am Nov 22 Observed: 920.08 ft at 4:00am Nov 22 Observed: 920.07 ft at 5:00am Nov 22 Observed: 920.07 ft at 6:00am Nov 22 Observed: 920.06 ft at 7:00am Nov 22 Observed: 920.06 ft at 8:00am Nov 22 Observed: 920.06 ft at 9:00am Nov 22 Observed: 920.05 ft at 10:00am Nov 22 Observed: 920.05 ft at 11:00am Nov 22 Observed: 920.04 ft at 12:00pm Nov 22 Observed: 920.04 ft at 1:00pm Nov 22 Observed: 920.04 ft at 2:00pm Nov 22 Observed: 920.03 ft at 3:00pm Nov 22 Observed: 920.02 ft at 4:00pm Nov 22 Observed: 920.02 ft at 5:00pm Nov 22 Observed: 920.02 ft at 6:00pm Nov 22 Observed: 920.01 ft at 7:00pm Nov 22 Observed: 920 ft at 8:00pm Nov 22 Observed: 920 ft at 9:00pm Nov 22 Observed: 919.99 ft at 10:00pm Nov 22 Observed: 919.99 ft at 11:00pm Nov 22 Observed: 919.98 ft at 12:00am Nov 23 Observed: 919.97 ft at 1:00am Nov 23 Observed: 919.97 ft at 2:00am Nov 23 Observed: 919.97 ft at 3:00am Nov 23 Observed: 919.96 ft at 4:00am Nov 23 Observed: 919.95 ft at 5:00am Nov 23 Observed: 919.95 ft at 6:00am Nov 23 Observed: 919.94 ft at 7:00am Nov 23 Observed: 919.94 ft at 8:00am Nov 23 Observed: 919.93 ft at 9:00am Nov 23 Observed: 919.93 ft at 10:00am Nov 23 Observed: 919.92 ft at 11:00am Nov 23 Observed: 919.92 ft at 12:00pm Nov 23 Observed: 919.92 ft at 1:00pm Nov 23 Observed: 919.9 ft at 2:00pm Nov 23 Observed: 919.9 ft at 3:00pm Nov 23 Observed: 919.89 ft at 4:00pm Nov 23 Observed: 919.88 ft at 5:00pm Nov 23 Observed: 919.87 ft at 6:00pm Nov 23 Observed: 919.87 ft at 7:00pm Nov 23 Graph Created (8:03pm Nov 23, 2009) Observed LYLP1 (plotting HPIRG) Gage 0 Datum: 910.00 Latest observed value: 919.87 ft at 7:00 PM EST 23-Nov-2009. Pool (ft)
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NOTE: Forecasts are not available for the Loyalhanna Creek at Loyalhanna Dam Pool. Only observed stages are available for this point.

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Loyalhanna Creek at Loyalhanna Dam Pool location map

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Latitude: 40.458333° N, Longitude: 79.451666° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 0 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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 910 ft 910 ft  

Other Data Sources:
Corps of Engineers (COE) Info for Loyalhanna Dam Pool

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192 Shafer Road
Moon Township, PA 15108
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