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Hydrograph River at a Glance Download
Monongahela River at Point Marion Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 11.12 ft at 6:00PM Aug 18, 2014Observed: 11.12 ft at 6:15PM Aug 18, 2014Observed: 11.14 ft at 6:30PM Aug 18, 2014Observed: 11.15 ft at 6:45PM Aug 18, 2014Observed: 11.16 ft at 7:00PM Aug 18, 2014Observed: 11.17 ft at 7:15PM Aug 18, 2014Observed: 11.18 ft at 7:30PM Aug 18, 2014Observed: 11.18 ft at 7:45PM Aug 18, 2014Observed: 11.19 ft at 8:00PM Aug 18, 2014Observed: 11.2 ft at 8:15PM Aug 18, 2014Observed: 11.12 ft at 8:30PM Aug 18, 2014Observed: 11.01 ft at 8:45PM Aug 18, 2014Observed: 10.97 ft at 9:00PM Aug 18, 2014Observed: 10.94 ft at 9:15PM Aug 18, 2014Observed: 10.9 ft at 9:30PM Aug 18, 2014Observed: 10.81 ft at 9:45PM Aug 18, 2014Observed: 10.74 ft at 10:00PM Aug 18, 2014Observed: 10.68 ft at 10:15PM Aug 18, 2014Observed: 10.7 ft at 10:30PM Aug 18, 2014Observed: 10.65 ft at 10:45PM Aug 18, 2014Observed: 10.6 ft at 11:00PM Aug 18, 2014Observed: 10.56 ft at 11:15PM Aug 18, 2014Observed: 10.51 ft at 11:30PM Aug 18, 2014Observed: 10.5 ft at 11:45PM Aug 18, 2014Observed: 10.48 ft at 12:00AM Aug 19, 2014Observed: 10.46 ft at 12:15AM Aug 19, 2014Observed: 10.43 ft at 12:30AM Aug 19, 2014Observed: 10.41 ft at 12:45AM Aug 19, 2014Observed: 10.38 ft at 1:00AM Aug 19, 2014Observed: 10.36 ft at 1:15AM Aug 19, 2014Observed: 10.35 ft at 1:30AM Aug 19, 2014Observed: 10.33 ft at 1:45AM Aug 19, 2014Observed: 10.32 ft at 2:00AM Aug 19, 2014Observed: 10.3 ft at 2:15AM Aug 19, 2014Observed: 10.29 ft at 2:30AM Aug 19, 2014Observed: 10.27 ft at 2:45AM Aug 19, 2014Observed: 10.28 ft at 3:00AM Aug 19, 2014Observed: 10.25 ft at 3:15AM Aug 19, 2014Observed: 10.24 ft at 3:30AM Aug 19, 2014Observed: 10.23 ft at 3:45AM Aug 19, 2014Observed: 10.24 ft at 4:00AM Aug 19, 2014Observed: 10.22 ft at 4:15AM Aug 19, 2014Observed: 10.22 ft at 4:30AM Aug 19, 2014Observed: 10.22 ft at 4:45AM Aug 19, 2014Observed: 10.21 ft at 5:00AM Aug 19, 2014Observed: 10.2 ft at 5:15AM Aug 19, 2014Observed: 10.2 ft at 5:30AM Aug 19, 2014Observed: 10.2 ft at 5:45AM Aug 19, 2014Observed: 10.18 ft at 6:00AM Aug 19, 2014Observed: 10.18 ft at 6:15AM Aug 19, 2014Observed: 10.18 ft at 6:30AM Aug 19, 2014Observed: 10.18 ft at 6:45AM Aug 19, 2014Observed: 10.17 ft at 7:00AM Aug 19, 2014Observed: 10.18 ft at 7:15AM Aug 19, 2014Observed: 10.16 ft at 7:30AM Aug 19, 2014Observed: 10.19 ft at 7:45AM Aug 19, 2014Observed: 10.16 ft at 8:00AM Aug 19, 2014Observed: 10.16 ft at 8:15AM Aug 19, 2014Observed: 10.17 ft at 8:30AM Aug 19, 2014Observed: 10.18 ft at 8:45AM Aug 19, 2014Observed: 10.18 ft at 9:00AM Aug 19, 2014Observed: 10.19 ft at 9:15AM Aug 19, 2014Observed: 10.18 ft at 9:30AM Aug 19, 2014Observed: 10.19 ft at 9:45AM Aug 19, 2014Observed: 10.2 ft at 10:00AM Aug 19, 2014Observed: 10.18 ft at 10:15AM Aug 19, 2014Observed: 10.2 ft at 10:30AM Aug 19, 2014Observed: 10.22 ft at 10:45AM Aug 19, 2014Observed: 10.2 ft at 11:00AM Aug 19, 2014Observed: 10.21 ft at 11:15AM Aug 19, 2014Observed: 10.2 ft at 11:30AM Aug 19, 2014Observed: 10.22 ft at 11:45AM Aug 19, 2014Observed: 10.22 ft at 12:00PM Aug 19, 2014Observed: 10.22 ft at 12:15PM Aug 19, 2014Observed: 10.21 ft at 12:30PM Aug 19, 2014Observed: 10.22 ft at 12:45PM Aug 19, 2014Observed: 10.22 ft at 1:00PM Aug 19, 2014Observed: 10.22 ft at 1:15PM Aug 19, 2014Observed: 10.23 ft at 1:30PM Aug 19, 2014Observed: 10.22 ft at 1:45PM Aug 19, 2014Observed: 10.23 ft at 2:00PM Aug 19, 2014Observed: 10.23 ft at 2:15PM Aug 19, 2014Observed: 10.23 ft at 2:30PM Aug 19, 2014Observed: 10.23 ft at 2:45PM Aug 19, 2014Observed: 10.23 ft at 3:00PM Aug 19, 2014Observed: 10.23 ft at 3:15PM Aug 19, 2014Observed: 10.23 ft at 3:30PM Aug 19, 2014Observed: 10.24 ft at 3:45PM Aug 19, 2014Observed: 10.23 ft at 4:00PM Aug 19, 2014Observed: 10.23 ft at 4:15PM Aug 19, 2014Observed: 10.2 ft at 4:30PM Aug 19, 2014Observed: 10.23 ft at 4:45PM Aug 19, 2014Observed: 10.19 ft at 5:00PM Aug 19, 2014Observed: 10.22 ft at 5:15PM Aug 19, 2014Observed: 10.2 ft at 5:30PM Aug 19, 2014Observed: 10.19 ft at 5:45PM Aug 19, 2014Observed: 10.18 ft at 6:00PM Aug 19, 2014Observed: 10.19 ft at 6:15PM Aug 19, 2014Observed: 10.17 ft at 6:30PM Aug 19, 2014Observed: 10.2 ft at 6:45PM Aug 19, 2014Observed: 10.16 ft at 7:00PM Aug 19, 2014Observed: 10.15 ft at 7:15PM Aug 19, 2014Observed: 10.14 ft at 7:30PM Aug 19, 2014Observed: 10.16 ft at 7:45PM Aug 19, 2014Observed: 10.15 ft at 8:00PM Aug 19, 2014Observed: 10.13 ft at 8:15PM Aug 19, 2014Observed: 10.12 ft at 8:30PM Aug 19, 2014Observed: 10.14 ft at 8:45PM Aug 19, 2014Observed: 10.11 ft at 9:00PM Aug 19, 2014Observed: 10.11 ft at 9:15PM Aug 19, 2014Observed: 10.11 ft at 9:30PM Aug 19, 2014Observed: 10.12 ft at 9:45PM Aug 19, 2014Observed: 10.15 ft at 10:00PM Aug 19, 2014Observed: 10.14 ft at 10:15PM Aug 19, 2014Observed: 10.13 ft at 10:30PM Aug 19, 2014Observed: 10.13 ft at 10:45PM Aug 19, 2014Observed: 10.13 ft at 11:00PM Aug 19, 2014Observed: 10.11 ft at 11:15PM Aug 19, 2014Observed: 10.15 ft at 11:30PM Aug 19, 2014Observed: 10.11 ft at 11:45PM Aug 19, 2014Observed: 10.15 ft at 12:00AM Aug 20, 2014Observed: 10.14 ft at 12:15AM Aug 20, 2014Observed: 10.16 ft at 12:30AM Aug 20, 2014Observed: 10.14 ft at 12:45AM Aug 20, 2014Observed: 10.14 ft at 1:00AM Aug 20, 2014Observed: 10.14 ft at 1:15AM Aug 20, 2014Observed: 10.15 ft at 1:30AM Aug 20, 2014Observed: 10.13 ft at 1:45AM Aug 20, 2014Observed: 10.13 ft at 2:00AM Aug 20, 2014Observed: 10.1 ft at 2:15AM Aug 20, 2014Observed: 10.08 ft at 2:30AM Aug 20, 2014Observed: 10.1 ft at 2:45AM Aug 20, 2014Observed: 10.07 ft at 3:00AM Aug 20, 2014Observed: 10.05 ft at 3:15AM Aug 20, 2014Observed: 10.06 ft at 3:30AM Aug 20, 2014Observed: 10.04 ft at 3:45AM Aug 20, 2014Observed: 10.06 ft at 4:00AM Aug 20, 2014Observed: 10.03 ft at 4:15AM Aug 20, 2014Observed: 10.03 ft at 4:30AM Aug 20, 2014Observed: 10.04 ft at 4:45AM Aug 20, 2014Observed: 10.02 ft at 5:00AM Aug 20, 2014Observed: 9.97 ft at 5:15AM Aug 20, 2014Observed: 10.01 ft at 5:30AM Aug 20, 2014Observed: 10 ft at 5:45AM Aug 20, 2014Observed: 9.96 ft at 6:00AM Aug 20, 2014Observed: 9.98 ft at 6:15AM Aug 20, 2014Observed: 9.96 ft at 6:30AM Aug 20, 2014Observed: 9.95 ft at 6:45AM Aug 20, 2014Observed: 9.94 ft at 7:00AM Aug 20, 2014Observed: 9.94 ft at 7:15AM Aug 20, 2014Observed: 9.93 ft at 7:30AM Aug 20, 2014Observed: 9.95 ft at 7:45AM Aug 20, 2014Observed: 9.93 ft at 8:00AM Aug 20, 2014Observed: 9.88 ft at 8:15AM Aug 20, 2014Observed: 9.91 ft at 8:30AM Aug 20, 2014Observed: 9.89 ft at 8:45AM Aug 20, 2014Observed: 9.9 ft at 9:00AM Aug 20, 2014Observed: 9.88 ft at 9:15AM Aug 20, 2014Observed: 9.86 ft at 9:30AM Aug 20, 2014Observed: 9.85 ft at 9:45AM Aug 20, 2014Observed: 9.87 ft at 10:00AM Aug 20, 2014Observed: 9.84 ft at 10:15AM Aug 20, 2014Observed: 9.82 ft at 10:30AM Aug 20, 2014Observed: 9.84 ft at 10:45AM Aug 20, 2014Observed: 9.8 ft at 11:00AM Aug 20, 2014Observed: 9.8 ft at 11:15AM Aug 20, 2014Observed: 9.82 ft at 11:30AM Aug 20, 2014Observed: 9.8 ft at 11:45AM Aug 20, 2014Observed: 9.82 ft at 12:00PM Aug 20, 2014Observed: 9.81 ft at 12:15PM Aug 20, 2014Observed: 9.8 ft at 12:30PM Aug 20, 2014Observed: 10.4 ft at 12:45PM Aug 20, 2014Observed: 10.12 ft at 1:00PM Aug 20, 2014Observed: 10.04 ft at 1:15PM Aug 20, 2014Observed: 10.11 ft at 1:30PM Aug 20, 2014Observed: 10.23 ft at 1:45PM Aug 20, 2014Observed: 10.39 ft at 2:00PM Aug 20, 2014Observed: 10.54 ft at 2:15PM Aug 20, 2014Observed: 10.47 ft at 2:30PM Aug 20, 2014Observed: 10.5 ft at 2:45PM Aug 20, 2014Observed: 10.64 ft at 3:00PM Aug 20, 2014Observed: 10.7 ft at 3:15PM Aug 20, 2014Observed: 11.16 ft at 3:30PM Aug 20, 2014Observed: 10.76 ft at 3:45PM Aug 20, 2014Observed: 10.73 ft at 4:00PM Aug 20, 2014Observed: 10.93 ft at 4:15PM Aug 20, 2014Observed: 11.05 ft at 4:30PM Aug 20, 2014Observed: 10.96 ft at 4:45PM Aug 20, 2014Observed: 10.99 ft at 5:00PM Aug 20, 2014Observed: 11.07 ft at 5:15PM Aug 20, 2014Observed: 10.94 ft at 5:30PM Aug 20, 2014Observed: 11.01 ft at 5:45PM Aug 20, 2014Observed: 11.24 ft at 6:00PM Aug 20, 2014Observed: 11.08 ft at 6:15PM Aug 20, 2014Observed: 10.88 ft at 6:30PM Aug 20, 2014Observed: 11.21 ft at 6:45PM Aug 20, 2014Observed: 11.02 ft at 7:00PM Aug 20, 2014Observed: 11.09 ft at 7:15PM Aug 20, 2014Highest Observation: 11.48 ft at 7:30PM Aug 20, 2014Observed: 11.13 ft at 7:45PM Aug 20, 2014Observed: 11.04 ft at 8:00PM Aug 20, 2014Observed: 11.13 ft at 8:15PM Aug 20, 2014Observed: 11.03 ft at 8:30PM Aug 20, 2014Observed: 10.88 ft at 8:45PM Aug 20, 2014Observed: 10.88 ft at 9:00PM Aug 20, 2014Observed: 10.78 ft at 9:15PM Aug 20, 2014Observed: 10.79 ft at 9:30PM Aug 20, 2014Observed: 10.84 ft at 9:45PM Aug 20, 2014Observed: 10.59 ft at 10:00PM Aug 20, 2014Observed: 10.56 ft at 10:15PM Aug 20, 2014Observed: 10.56 ft at 10:30PM Aug 20, 2014Observed: 10.52 ft at 10:45PM Aug 20, 2014Observed: 10.52 ft at 11:00PM Aug 20, 2014Observed: 10.47 ft at 11:15PM Aug 20, 2014Observed: 10.25 ft at 11:30PM Aug 20, 2014Observed: 10.44 ft at 11:45PM Aug 20, 2014Observed: 10.33 ft at 12:00AM Aug 21, 2014Observed: 10.35 ft at 12:15AM Aug 21, 2014Observed: 10.39 ft at 12:30AM Aug 21, 2014Observed: 10.3 ft at 12:45AM Aug 21, 2014Observed: 10.3 ft at 1:00AM Aug 21, 2014Observed: 10.36 ft at 1:15AM Aug 21, 2014Observed: 10.38 ft at 1:30AM Aug 21, 2014Observed: 10.39 ft at 1:45AM Aug 21, 2014Observed: 10.42 ft at 2:00AM Aug 21, 2014Observed: 10.46 ft at 2:15AM Aug 21, 2014Observed: 10.42 ft at 2:30AM Aug 21, 2014Observed: 10.46 ft at 2:45AM Aug 21, 2014Observed: 10.51 ft at 3:00AM Aug 21, 2014Observed: 10.45 ft at 3:15AM Aug 21, 2014Observed: 10.51 ft at 3:30AM Aug 21, 2014Observed: 10.52 ft at 3:45AM Aug 21, 2014Observed: 10.52 ft at 4:00AM Aug 21, 2014Observed: 10.57 ft at 4:15AM Aug 21, 2014Observed: 10.54 ft at 4:30AM Aug 21, 2014Observed: 10.52 ft at 4:45AM Aug 21, 2014Observed: 10.51 ft at 5:00AM Aug 21, 2014Observed: 10.55 ft at 5:15AM Aug 21, 2014Observed: 10.54 ft at 5:30AM Aug 21, 2014Observed: 10.54 ft at 5:45AM Aug 21, 2014Observed: 10.52 ft at 6:00AM Aug 21, 2014Observed: 10.52 ft at 6:15AM Aug 21, 2014Observed: 10.54 ft at 6:30AM Aug 21, 2014Observed: 10.48 ft at 6:45AM Aug 21, 2014Observed: 10.5 ft at 7:00AM Aug 21, 2014Observed: 10.5 ft at 7:15AM Aug 21, 2014Observed: 10.42 ft at 7:30AM Aug 21, 2014Observed: 10.66 ft at 7:45AM Aug 21, 2014Observed: 10.51 ft at 8:00AM Aug 21, 2014Observed: 10.69 ft at 8:15AM Aug 21, 2014Observed: 10.45 ft at 8:30AM Aug 21, 2014Observed: 10.5 ft at 8:45AM Aug 21, 2014Observed: 10.52 ft at 9:00AM Aug 21, 2014Observed: 10.56 ft at 9:15AM Aug 21, 2014Observed: 10.5 ft at 9:30AM Aug 21, 2014Observed: 10.54 ft at 9:45AM Aug 21, 2014Observed: 10.54 ft at 10:00AM Aug 21, 2014Observed: 10.46 ft at 10:15AM Aug 21, 2014Observed: 10.55 ft at 10:30AM Aug 21, 2014Observed: 10.5 ft at 10:45AM Aug 21, 2014Observed: 10.48 ft at 11:00AM Aug 21, 2014Observed: 10.5 ft at 11:15AM Aug 21, 2014Observed: 10.46 ft at 11:30AM Aug 21, 2014Observed: 10.49 ft at 11:45AM Aug 21, 2014Observed: 10.43 ft at 12:00PM Aug 21, 2014Observed: 10.21 ft at 12:15PM Aug 21, 2014Observed: 10.46 ft at 12:30PM Aug 21, 2014Observed: 10.38 ft at 12:45PM Aug 21, 2014Observed: 10.34 ft at 1:00PM Aug 21, 2014Observed: 10.47 ft at 1:15PM Aug 21, 2014Observed: 10.37 ft at 1:30PM Aug 21, 2014Observed: 10.34 ft at 1:45PM Aug 21, 2014Observed: 10.41 ft at 2:00PM Aug 21, 2014Observed: 10.34 ft at 2:15PM Aug 21, 2014Observed: 10.34 ft at 2:30PM Aug 21, 2014Observed: 10.4 ft at 2:45PM Aug 21, 2014Observed: 10.67 ft at 3:00PM Aug 21, 2014Observed: 10.39 ft at 3:15PM Aug 21, 2014Observed: 10.32 ft at 3:30PM Aug 21, 2014Observed: 10.31 ft at 3:45PM Aug 21, 2014Observed: 10.34 ft at 4:00PM Aug 21, 2014Observed: 10.34 ft at 4:15PM Aug 21, 2014Observed: 10.42 ft at 4:30PM Aug 21, 2014Observed: 10.37 ft at 4:45PM Aug 21, 2014Observed: 10.18 ft at 5:00PM Aug 21, 2014Observed: 10.12 ft at 5:15PM Aug 21, 2014Forecast: 10.3 ft 8:00PM Aug 21, 2014Forecast: 9.8 ft 2:00AM Aug 22, 2014Forecast: 9.8 ft 8:00AM Aug 22, 2014Forecast: 10.6 ft 2:00PM Aug 22, 2014Forecast: 12 ft 8:00PM Aug 22, 2014Forecast: 12 ft 2:00AM Aug 23, 2014Forecast: 12.1 ft 8:00AM Aug 23, 2014Forecast: 12.8 ft 2:00PM Aug 23, 2014Highest Forecast: 13.7 ft 8:00PM Aug 23, 2014Forecast: 12.4 ft 2:00AM Aug 24, 2014Forecast: 11.8 ft 8:00AM Aug 24, 2014Forecast: 11.7 ft 2:00PM Aug 24, 2014Forecast: 12.3 ft 8:00PM Aug 24, 2014Forecast: 11.5 ft 2:00AM Aug 25, 2014Forecast: 11.2 ft 8:00AM Aug 25, 2014Forecast: 11.5 ft 2:00PM Aug 25, 2014Forecast: 12.3 ft 8:00PM Aug 25, 2014Forecast: 12 ft 2:00AM Aug 26, 2014Forecast: 11.4 ft 8:00AM Aug 26, 2014PMRP1(plotting HTIRG) Graph Created (5:47PM Aug 21, 2014)ObservedForecast (issued 9:39AM Aug 21)Latest observed value: 10.12 ft at 5:15 PM EDT 21-Aug-2014. Flood Stage is 26 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt.

NOTE: Forecasts for the Monongahela River at Point Marion Lock and Dam are issued routinely year-round.

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Upstream Gauge - at Morgantown Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Grays Landing Lock and Dam
Flood Categories (in feet)
Major Flood Stage:28
Moderate Flood Stage:27
Flood Stage:26
Action Stage:20

Historical Crests
(1) 44.40 ft on 11/05/1985
(2) 34.00 ft on 01/19/1996
(3) 33.50 ft on 03/07/1967
(4) 32.30 ft on 02/19/2000
(5) 31.80 ft on 03/05/1963
(6) 30.20 ft on 03/20/1963
(7) 29.70 ft on 05/24/1968
(8) 27.60 ft on 01/26/1978
(9) 27.40 ft on 06/06/1981
(10) 27.20 ft on 08/18/1980
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 01/01/1980
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
45 Flood waters extend to near the railroad tracks
40 Flood waters extend to Main and Cheat Streets
35 Flood waters reach portions of Fourth...Water...Second...Broadway...and Home Streets in Point Marion
34 Flood waters reach homes on Water Street...and the lock walls are overtopped at Point Marion Locks and Dam.
29.7 The first floors of about twenty-five homes in Point Marion are flooded...and backwater flooding occurs along Camp Run.
29 The locks go out of service at the Point Marion Locks and Dam...and navigation is suspended. Flood waters reach Water Street near the intersection with Penn Street in Point Marion.
27.5 Flood waters reach the access road to Point Marion Locks and Dam about 0.8 of a mile below the dam
26 Basement flooding begins in some homes and businesses in Point Marion
About This Location Collapse

Latitude: 39.726944° N, Longitude: 79.911667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 26 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 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 769 ft 795 ft  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 5-Aug-2014 6:39 PM
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