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Hydrograph River at a Glance Download
Monongahela River at Point Marion Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 14.67 ft at 8:00PM May 24, 2016Observed: 14.66 ft at 8:15PM May 24, 2016Observed: 14.67 ft at 8:30PM May 24, 2016Observed: 14.66 ft at 8:45PM May 24, 2016Highest Observation: 14.92 ft at 9:00PM May 24, 2016Observed: 14.76 ft at 9:15PM May 24, 2016Observed: 14.68 ft at 9:30PM May 24, 2016Observed: 14.66 ft at 9:45PM May 24, 2016Observed: 14.78 ft at 10:00PM May 24, 2016Observed: 14.69 ft at 10:15PM May 24, 2016Observed: 14.72 ft at 10:30PM May 24, 2016Observed: 14.75 ft at 10:45PM May 24, 2016Observed: 14.76 ft at 11:00PM May 24, 2016Observed: 14.78 ft at 11:15PM May 24, 2016Observed: 14.79 ft at 11:30PM May 24, 2016Observed: 14.8 ft at 11:45PM May 24, 2016Observed: 14.8 ft at 12:00AM May 25, 2016Observed: 14.8 ft at 12:15AM May 25, 2016Observed: 14.82 ft at 12:30AM May 25, 2016Observed: 14.82 ft at 12:45AM May 25, 2016Observed: 14.82 ft at 1:00AM May 25, 2016Observed: 14.83 ft at 1:15AM May 25, 2016Observed: 14.82 ft at 1:30AM May 25, 2016Observed: 14.84 ft at 1:45AM May 25, 2016Observed: 14.84 ft at 2:00AM May 25, 2016Observed: 14.84 ft at 2:15AM May 25, 2016Observed: 14.62 ft at 2:30AM May 25, 2016Observed: 14.48 ft at 2:45AM May 25, 2016Observed: 14.43 ft at 3:00AM May 25, 2016Observed: 14.37 ft at 3:15AM May 25, 2016Observed: 14.29 ft at 3:30AM May 25, 2016Observed: 14.22 ft at 3:45AM May 25, 2016Observed: 14.15 ft at 4:00AM May 25, 2016Observed: 14.12 ft at 4:15AM May 25, 2016Observed: 14.08 ft at 4:30AM May 25, 2016Observed: 14.04 ft at 4:45AM May 25, 2016Observed: 14.03 ft at 5:00AM May 25, 2016Observed: 14 ft at 5:15AM May 25, 2016Observed: 13.98 ft at 5:30AM May 25, 2016Observed: 13.98 ft at 5:45AM May 25, 2016Observed: 13.94 ft at 6:00AM May 25, 2016Observed: 13.92 ft at 6:15AM May 25, 2016Observed: 13.98 ft at 6:30AM May 25, 2016Observed: 14.02 ft at 6:45AM May 25, 2016Observed: 14.04 ft at 7:00AM May 25, 2016Observed: 14.06 ft at 7:15AM May 25, 2016Observed: 14.07 ft at 7:30AM May 25, 2016Observed: 14.1 ft at 7:45AM May 25, 2016Observed: 14.12 ft at 8:00AM May 25, 2016Observed: 14.14 ft at 8:15AM May 25, 2016Observed: 14.04 ft at 8:30AM May 25, 2016Observed: 14.08 ft at 8:45AM May 25, 2016Observed: 14.08 ft at 9:00AM May 25, 2016Observed: 14.1 ft at 9:15AM May 25, 2016Observed: 14.07 ft at 9:30AM May 25, 2016Observed: 14.06 ft at 9:45AM May 25, 2016Observed: 14.06 ft at 10:00AM May 25, 2016Observed: 14.06 ft at 10:15AM May 25, 2016Observed: 14.06 ft at 10:30AM May 25, 2016Observed: 14.06 ft at 10:45AM May 25, 2016Observed: 14.06 ft at 11:00AM May 25, 2016Observed: 14.05 ft at 11:15AM May 25, 2016Observed: 14.07 ft at 11:30AM May 25, 2016Observed: 14.06 ft at 11:45AM May 25, 2016Observed: 14.09 ft at 12:00PM May 25, 2016Observed: 14.1 ft at 12:15PM May 25, 2016Observed: 14.11 ft at 12:30PM May 25, 2016Observed: 14.12 ft at 12:45PM May 25, 2016Observed: 14.13 ft at 1:00PM May 25, 2016Observed: 14.14 ft at 1:15PM May 25, 2016Observed: 14.14 ft at 1:30PM May 25, 2016Observed: 14.14 ft at 1:45PM May 25, 2016Observed: 14.14 ft at 2:00PM May 25, 2016Observed: 14.17 ft at 2:15PM May 25, 2016Observed: 14.16 ft at 2:30PM May 25, 2016Observed: 14.16 ft at 2:45PM May 25, 2016Observed: 14.16 ft at 3:00PM May 25, 2016Observed: 14.12 ft at 3:15PM May 25, 2016Observed: 14.08 ft at 3:30PM May 25, 2016Observed: 14.07 ft at 3:45PM May 25, 2016Observed: 14.08 ft at 4:00PM May 25, 2016Observed: 14.05 ft at 4:15PM May 25, 2016Observed: 14.06 ft at 4:30PM May 25, 2016Observed: 14.06 ft at 4:45PM May 25, 2016Observed: 14.02 ft at 5:00PM May 25, 2016Observed: 14.04 ft at 5:15PM May 25, 2016Observed: 14.02 ft at 5:30PM May 25, 2016Observed: 14 ft at 5:45PM May 25, 2016Observed: 13.98 ft at 6:00PM May 25, 2016Observed: 13.95 ft at 6:15PM May 25, 2016Observed: 13.95 ft at 6:30PM May 25, 2016Observed: 13.94 ft at 6:45PM May 25, 2016Observed: 13.93 ft at 7:00PM May 25, 2016Observed: 13.91 ft at 7:15PM May 25, 2016Observed: 13.9 ft at 7:30PM May 25, 2016Observed: 13.84 ft at 7:45PM May 25, 2016Observed: 13.84 ft at 8:00PM May 25, 2016Observed: 13.84 ft at 8:15PM May 25, 2016Observed: 13.82 ft at 8:30PM May 25, 2016Observed: 13.82 ft at 8:45PM May 25, 2016Observed: 13.8 ft at 9:00PM May 25, 2016Observed: 13.79 ft at 9:15PM May 25, 2016Observed: 13.78 ft at 9:30PM May 25, 2016Observed: 13.78 ft at 9:45PM May 25, 2016Observed: 13.77 ft at 10:00PM May 25, 2016Observed: 13.76 ft at 10:15PM May 25, 2016Observed: 13.76 ft at 10:30PM May 25, 2016Observed: 13.75 ft at 10:45PM May 25, 2016Observed: 13.76 ft at 11:00PM May 25, 2016Observed: 13.76 ft at 11:15PM May 25, 2016Observed: 13.74 ft at 11:30PM May 25, 2016Observed: 13.76 ft at 11:45PM May 25, 2016Observed: 13.75 ft at 12:00AM May 26, 2016Observed: 13.74 ft at 12:15AM May 26, 2016Observed: 13.75 ft at 12:30AM May 26, 2016Observed: 13.75 ft at 12:45AM May 26, 2016Observed: 13.75 ft at 1:00AM May 26, 2016Observed: 13.7 ft at 1:15AM May 26, 2016Observed: 13.56 ft at 1:30AM May 26, 2016Observed: 13.5 ft at 1:45AM May 26, 2016Observed: 13.46 ft at 2:00AM May 26, 2016Observed: 13.34 ft at 2:15AM May 26, 2016Observed: 13.38 ft at 2:30AM May 26, 2016Observed: 13.32 ft at 2:45AM May 26, 2016Observed: 13.28 ft at 3:00AM May 26, 2016Observed: 13.2 ft at 3:15AM May 26, 2016Observed: 13.31 ft at 3:30AM May 26, 2016Observed: 13.29 ft at 3:45AM May 26, 2016Observed: 13.2 ft at 4:00AM May 26, 2016Observed: 13.22 ft at 4:15AM May 26, 2016Observed: 13.18 ft at 4:30AM May 26, 2016Observed: 13.17 ft at 4:45AM May 26, 2016Observed: 13.16 ft at 5:00AM May 26, 2016Observed: 13.16 ft at 5:15AM May 26, 2016Observed: 13.14 ft at 5:30AM May 26, 2016Observed: 13.12 ft at 5:45AM May 26, 2016Observed: 13.13 ft at 6:00AM May 26, 2016Observed: 13.12 ft at 6:15AM May 26, 2016Observed: 13.11 ft at 6:30AM May 26, 2016Observed: 13.11 ft at 6:45AM May 26, 2016Observed: 13.11 ft at 7:00AM May 26, 2016Observed: 13.11 ft at 7:15AM May 26, 2016Observed: 13.09 ft at 7:30AM May 26, 2016Observed: 13.28 ft at 7:45AM May 26, 2016Observed: 13.14 ft at 8:00AM May 26, 2016Observed: 13.12 ft at 8:15AM May 26, 2016Observed: 13.12 ft at 8:30AM May 26, 2016Observed: 13.14 ft at 8:45AM May 26, 2016Observed: 13.12 ft at 9:00AM May 26, 2016Observed: 13.11 ft at 9:15AM May 26, 2016Observed: 13.1 ft at 9:30AM May 26, 2016Observed: 13.08 ft at 9:45AM May 26, 2016Observed: 13.07 ft at 10:00AM May 26, 2016Observed: 13.06 ft at 10:15AM May 26, 2016Observed: 13.07 ft at 10:30AM May 26, 2016Observed: 13.23 ft at 10:45AM May 26, 2016Observed: 13.09 ft at 11:00AM May 26, 2016Observed: 13.18 ft at 11:15AM May 26, 2016Observed: 13.24 ft at 11:30AM May 26, 2016Observed: 13.26 ft at 11:45AM May 26, 2016Observed: 13.29 ft at 12:00PM May 26, 2016Observed: 13.3 ft at 12:15PM May 26, 2016Observed: 13.3 ft at 12:30PM May 26, 2016Observed: 13.3 ft at 12:45PM May 26, 2016Observed: 13.31 ft at 1:00PM May 26, 2016Observed: 13.33 ft at 1:15PM May 26, 2016Observed: 13.34 ft at 1:30PM May 26, 2016Observed: 13.34 ft at 1:45PM May 26, 2016Observed: 13.34 ft at 2:00PM May 26, 2016Observed: 13.35 ft at 2:15PM May 26, 2016Observed: 13.36 ft at 2:30PM May 26, 2016Observed: 13.36 ft at 2:45PM May 26, 2016Observed: 13.37 ft at 3:00PM May 26, 2016Observed: 13.37 ft at 3:15PM May 26, 2016Observed: 13.38 ft at 3:30PM May 26, 2016Observed: 13.62 ft at 3:45PM May 26, 2016Observed: 13.46 ft at 4:00PM May 26, 2016Observed: 13.38 ft at 4:15PM May 26, 2016Observed: 13.36 ft at 4:30PM May 26, 2016Observed: 13.42 ft at 4:45PM May 26, 2016Observed: 13.38 ft at 5:00PM May 26, 2016Observed: 13.38 ft at 5:15PM May 26, 2016Observed: 13.39 ft at 5:30PM May 26, 2016Observed: 13.38 ft at 5:45PM May 26, 2016Observed: 13.39 ft at 6:00PM May 26, 2016Observed: 13.3 ft at 6:15PM May 26, 2016Observed: 13.19 ft at 6:30PM May 26, 2016Observed: 13.26 ft at 6:45PM May 26, 2016Observed: 13.24 ft at 7:00PM May 26, 2016Observed: 13.1 ft at 7:15PM May 26, 2016Observed: 13.04 ft at 7:30PM May 26, 2016Observed: 12.97 ft at 7:45PM May 26, 2016Observed: 12.9 ft at 8:00PM May 26, 2016Observed: 12.83 ft at 8:15PM May 26, 2016Observed: 12.76 ft at 8:30PM May 26, 2016Observed: 12.7 ft at 8:45PM May 26, 2016Observed: 12.64 ft at 9:00PM May 26, 2016Observed: 12.59 ft at 9:15PM May 26, 2016Observed: 12.54 ft at 9:30PM May 26, 2016Observed: 12.5 ft at 9:45PM May 26, 2016Observed: 12.46 ft at 10:00PM May 26, 2016Observed: 12.43 ft at 10:15PM May 26, 2016Observed: 12.3 ft at 10:30PM May 26, 2016Observed: 12.3 ft at 10:45PM May 26, 2016Observed: 12.28 ft at 11:00PM May 26, 2016Observed: 12.24 ft at 11:15PM May 26, 2016Observed: 12.22 ft at 11:30PM May 26, 2016Observed: 12.19 ft at 11:45PM May 26, 2016Observed: 12.16 ft at 12:00AM May 27, 2016Observed: 11.98 ft at 12:15AM May 27, 2016Observed: 12.44 ft at 12:30AM May 27, 2016Observed: 11.88 ft at 12:45AM May 27, 2016Observed: 11.81 ft at 1:00AM May 27, 2016Observed: 11.82 ft at 1:15AM May 27, 2016Observed: 11.79 ft at 1:30AM May 27, 2016Observed: 11.68 ft at 1:45AM May 27, 2016Observed: 11.63 ft at 2:00AM May 27, 2016Observed: 11.59 ft at 2:15AM May 27, 2016Observed: 11.54 ft at 2:30AM May 27, 2016Observed: 11.55 ft at 2:45AM May 27, 2016Observed: 11.48 ft at 3:00AM May 27, 2016Observed: 11.46 ft at 3:15AM May 27, 2016Observed: 11.45 ft at 3:30AM May 27, 2016Observed: 11.42 ft at 3:45AM May 27, 2016Observed: 11.39 ft at 4:00AM May 27, 2016Observed: 11.4 ft at 4:15AM May 27, 2016Observed: 11.38 ft at 4:30AM May 27, 2016Observed: 11.37 ft at 4:45AM May 27, 2016Observed: 11.36 ft at 5:00AM May 27, 2016Observed: 11.36 ft at 5:15AM May 27, 2016Observed: 11.37 ft at 5:30AM May 27, 2016Observed: 11.38 ft at 5:45AM May 27, 2016Observed: 11.36 ft at 6:00AM May 27, 2016Observed: 11.36 ft at 6:15AM May 27, 2016Observed: 11.38 ft at 6:30AM May 27, 2016Observed: 11.37 ft at 6:45AM May 27, 2016Observed: 11.38 ft at 7:00AM May 27, 2016Observed: 11.38 ft at 7:15AM May 27, 2016Observed: 11.38 ft at 7:30AM May 27, 2016Observed: 11.38 ft at 7:45AM May 27, 2016Observed: 11.38 ft at 8:00AM May 27, 2016Observed: 11.38 ft at 8:15AM May 27, 2016Observed: 11.38 ft at 8:30AM May 27, 2016Observed: 11.38 ft at 8:45AM May 27, 2016Observed: 11.38 ft at 9:00AM May 27, 2016Observed: 11.22 ft at 9:15AM May 27, 2016Observed: 11.53 ft at 9:30AM May 27, 2016Observed: 11.69 ft at 9:45AM May 27, 2016Observed: 11.63 ft at 10:00AM May 27, 2016Observed: 11.72 ft at 10:15AM May 27, 2016Observed: 11.74 ft at 10:30AM May 27, 2016Observed: 11.76 ft at 10:45AM May 27, 2016Observed: 11.78 ft at 11:00AM May 27, 2016Observed: 11.76 ft at 11:15AM May 27, 2016Observed: 11.85 ft at 11:30AM May 27, 2016Observed: 11.82 ft at 11:45AM May 27, 2016Observed: 11.84 ft at 12:00PM May 27, 2016Observed: 11.88 ft at 12:15PM May 27, 2016Observed: 11.87 ft at 12:30PM May 27, 2016Observed: 11.89 ft at 12:45PM May 27, 2016Observed: 11.91 ft at 1:00PM May 27, 2016Observed: 11.91 ft at 1:15PM May 27, 2016Observed: 11.9 ft at 1:30PM May 27, 2016Observed: 11.92 ft at 1:45PM May 27, 2016Observed: 12.06 ft at 2:00PM May 27, 2016Observed: 12.08 ft at 2:15PM May 27, 2016Observed: 12.12 ft at 2:30PM May 27, 2016Observed: 12.13 ft at 2:45PM May 27, 2016Observed: 12.18 ft at 3:00PM May 27, 2016Observed: 12.22 ft at 3:15PM May 27, 2016Observed: 12.25 ft at 3:30PM May 27, 2016Observed: 12.28 ft at 3:45PM May 27, 2016Observed: 12.3 ft at 4:00PM May 27, 2016Observed: 12.32 ft at 4:15PM May 27, 2016Observed: 12.32 ft at 4:30PM May 27, 2016Observed: 12.33 ft at 4:45PM May 27, 2016Observed: 12.34 ft at 5:00PM May 27, 2016Observed: 12.34 ft at 5:15PM May 27, 2016Observed: 12.35 ft at 5:30PM May 27, 2016Observed: 12.35 ft at 5:45PM May 27, 2016Observed: 12.35 ft at 6:00PM May 27, 2016Observed: 12.36 ft at 6:15PM May 27, 2016Observed: 12.31 ft at 6:30PM May 27, 2016Observed: 12.25 ft at 6:45PM May 27, 2016Observed: 12.12 ft at 7:00PM May 27, 2016Observed: 12.17 ft at 7:15PM May 27, 2016Highest Forecast: 12.1 ft 8:00PM May 27, 2016Forecast: 11.2 ft 2:00AM May 28, 2016Forecast: 11.2 ft 8:00AM May 28, 2016Forecast: 11.2 ft 2:00PM May 28, 2016Forecast: 12 ft 8:00PM May 28, 2016Forecast: 11.6 ft 2:00AM May 29, 2016Forecast: 10.9 ft 8:00AM May 29, 2016Forecast: 10.7 ft 2:00PM May 29, 2016Forecast: 11.5 ft 8:00PM May 29, 2016Forecast: 10.7 ft 2:00AM May 30, 2016Forecast: 10.5 ft 8:00AM May 30, 2016Forecast: 10.7 ft 2:00PM May 30, 2016Forecast: 11.3 ft 8:00PM May 30, 2016Forecast: 10.6 ft 2:00AM May 31, 2016Forecast: 10.4 ft 8:00AM May 31, 2016Forecast: 10.5 ft 2:00PM May 31, 2016Forecast: 11.1 ft 8:00PM May 31, 2016Forecast: 10.5 ft 2:00AM Jun 01, 2016Forecast: 10.3 ft 8:00AM Jun 01, 2016PMRP1(plotting HTIRG) Graph Created (7:48PM May 27, 2016)ObservedForecast (issued 9:40AM May 27)Latest observed value: 12.17 ft at 7:15 PM EDT 27-May-2016. 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
Low Stage (in feet): 0

Historic 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) 27.97 ft on 03/04/2015
(9) 27.60 ft on 01/26/1978
(10) 27.40 ft on 06/06/1981
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.63 ft on 03/15/2015
(2) 27.97 ft on 03/04/2015
(3) 25.10 ft on 01/26/2010
(4) 26.19 ft on 05/04/2009
(5) 23.65 ft on 06/05/2008
(6) 27.00 ft on 12/14/2007
(7) 24.50 ft on 02/07/2004
(8) 25.60 ft on 11/20/2003
(9) 23.40 ft on 02/23/2003
(10) 25.30 ft on 03/21/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 01/01/1980
Zoom Level:14
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
National Weather Service
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 13-Aug-2015 1:57 AM
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