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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office Pittsburgh, PA Ohio River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Monongahela River at Elizabeth Lock and Dam Pool (ft)Flow (kcfs)Observed: 11.28 ft at 8:15AM May 20, 2013Observed: 11.26 ft at 8:30AM May 20, 2013Observed: 11.25 ft at 8:45AM May 20, 2013Observed: 11.25 ft at 9:00AM May 20, 2013Observed: 11.21 ft at 9:15AM May 20, 2013Observed: 11.19 ft at 9:30AM May 20, 2013Observed: 11.17 ft at 9:45AM May 20, 2013Observed: 11.17 ft at 10:00AM May 20, 2013Observed: 11.17 ft at 10:15AM May 20, 2013Observed: 11.15 ft at 10:30AM May 20, 2013Observed: 11.14 ft at 10:45AM May 20, 2013Observed: 11.15 ft at 11:00AM May 20, 2013Observed: 11.12 ft at 11:15AM May 20, 2013Observed: 11.11 ft at 11:30AM May 20, 2013Observed: 11.11 ft at 11:45AM May 20, 2013Observed: 11.1 ft at 12:00PM May 20, 2013Observed: 11.08 ft at 12:15PM May 20, 2013Observed: 11.16 ft at 12:30PM May 20, 2013Observed: 11.16 ft at 12:45PM May 20, 2013Observed: 11.2 ft at 1:00PM May 20, 2013Observed: 11.18 ft at 1:15PM May 20, 2013Observed: 11.22 ft at 1:30PM May 20, 2013Observed: 11.24 ft at 1:45PM May 20, 2013Observed: 11.24 ft at 2:00PM May 20, 2013Observed: 11.25 ft at 2:15PM May 20, 2013Observed: 11.27 ft at 2:30PM May 20, 2013Observed: 11.27 ft at 2:45PM May 20, 2013Observed: 11.28 ft at 3:00PM May 20, 2013Observed: 11.3 ft at 3:15PM May 20, 2013Observed: 11.32 ft at 3:30PM May 20, 2013Observed: 11.31 ft at 3:45PM May 20, 2013Observed: 11.35 ft at 4:00PM May 20, 2013Observed: 11.35 ft at 4:15PM May 20, 2013Observed: 11.34 ft at 4:30PM May 20, 2013Highest Observation: 11.38 ft at 4:45PM May 20, 2013Observed: 11.34 ft at 5:00PM May 20, 2013Observed: 11.35 ft at 5:15PM May 20, 2013Observed: 11.34 ft at 5:30PM May 20, 2013Observed: 11.33 ft at 5:45PM May 20, 2013Observed: 11.35 ft at 6:00PM May 20, 2013Observed: 11.34 ft at 6:15PM May 20, 2013Observed: 11.34 ft at 6:30PM May 20, 2013Observed: 11.36 ft at 6:45PM May 20, 2013Observed: 11.36 ft at 7:00PM May 20, 2013Highest Observation: 11.38 ft at 7:15PM May 20, 2013Observed: 11.36 ft at 7:30PM May 20, 2013Observed: 11.36 ft at 7:45PM May 20, 2013Observed: 11.35 ft at 8:00PM May 20, 2013Observed: 11.34 ft at 8:15PM May 20, 2013Observed: 11.33 ft at 8:30PM May 20, 2013Observed: 11.34 ft at 8:45PM May 20, 2013Observed: 11.34 ft at 9:00PM May 20, 2013Observed: 11.35 ft at 9:15PM May 20, 2013Observed: 11.34 ft at 9:30PM May 20, 2013Observed: 11.35 ft at 9:45PM May 20, 2013Observed: 11.35 ft at 10:00PM May 20, 2013Observed: 11.34 ft at 10:15PM May 20, 2013Observed: 11.35 ft at 10:30PM May 20, 2013Observed: 11.35 ft at 10:45PM May 20, 2013Observed: 11.33 ft at 11:00PM May 20, 2013Observed: 11.36 ft at 11:15PM May 20, 2013Observed: 11.36 ft at 11:30PM May 20, 2013Observed: 11.36 ft at 11:45PM May 20, 2013Observed: 11.36 ft at 12:00AM May 21, 2013Observed: 11.36 ft at 12:15AM May 21, 2013Highest Observation: 11.38 ft at 2:30AM May 21, 2013Highest Observation: 11.38 ft at 2:45AM May 21, 2013Observed: 11.27 ft at 3:00AM May 21, 2013Observed: 11.23 ft at 3:15AM May 21, 2013Observed: 11.22 ft at 3:30AM May 21, 2013Observed: 11.21 ft at 3:45AM May 21, 2013Observed: 11.19 ft at 4:00AM May 21, 2013Observed: 11.13 ft at 4:15AM May 21, 2013Observed: 11.1 ft at 4:30AM May 21, 2013Observed: 11.08 ft at 4:45AM May 21, 2013Observed: 11.06 ft at 5:00AM May 21, 2013Observed: 10.98 ft at 5:15AM May 21, 2013Observed: 10.94 ft at 5:30AM May 21, 2013Observed: 10.9 ft at 5:45AM May 21, 2013Observed: 10.89 ft at 6:00AM May 21, 2013Observed: 10.86 ft at 6:15AM May 21, 2013Observed: 10.86 ft at 6:30AM May 21, 2013Observed: 10.82 ft at 6:45AM May 21, 2013Observed: 10.8 ft at 7:00AM May 21, 2013Observed: 10.83 ft at 7:15AM May 21, 2013Observed: 10.77 ft at 7:30AM May 21, 2013Observed: 10.75 ft at 7:45AM May 21, 2013Observed: 10.71 ft at 8:00AM May 21, 2013Observed: 10.7 ft at 8:15AM May 21, 2013Observed: 10.68 ft at 8:30AM May 21, 2013Observed: 10.67 ft at 8:45AM May 21, 2013Observed: 10.66 ft at 9:00AM May 21, 2013Observed: 10.64 ft at 9:15AM May 21, 2013Observed: 10.66 ft at 9:30AM May 21, 2013Observed: 10.63 ft at 9:45AM May 21, 2013Observed: 10.62 ft at 10:00AM May 21, 2013Observed: 10.6 ft at 10:15AM May 21, 2013Observed: 10.58 ft at 10:30AM May 21, 2013Observed: 10.57 ft at 10:45AM May 21, 2013Observed: 10.54 ft at 11:00AM May 21, 2013Observed: 10.54 ft at 11:15AM May 21, 2013Observed: 10.54 ft at 11:30AM May 21, 2013Observed: 10.54 ft at 11:45AM May 21, 2013Observed: 10.52 ft at 12:00PM May 21, 2013Observed: 10.53 ft at 12:15PM May 21, 2013Observed: 10.51 ft at 12:30PM May 21, 2013Observed: 10.49 ft at 12:45PM May 21, 2013Observed: 10.51 ft at 1:00PM May 21, 2013Observed: 10.47 ft at 1:15PM May 21, 2013Observed: 10.47 ft at 1:30PM May 21, 2013Observed: 10.48 ft at 1:45PM May 21, 2013Observed: 10.52 ft at 2:00PM May 21, 2013Observed: 10.53 ft at 2:15PM May 21, 2013Observed: 10.53 ft at 2:30PM May 21, 2013Observed: 10.54 ft at 2:45PM May 21, 2013Observed: 10.53 ft at 3:00PM May 21, 2013Observed: 10.53 ft at 3:15PM May 21, 2013Observed: 10.55 ft at 3:30PM May 21, 2013Observed: 10.54 ft at 3:45PM May 21, 2013Observed: 10.57 ft at 4:00PM May 21, 2013Observed: 10.56 ft at 4:15PM May 21, 2013Observed: 10.56 ft at 4:30PM May 21, 2013Observed: 10.58 ft at 4:45PM May 21, 2013Observed: 10.59 ft at 5:00PM May 21, 2013Observed: 10.58 ft at 5:15PM May 21, 2013Observed: 10.58 ft at 5:30PM May 21, 2013Observed: 10.58 ft at 5:45PM May 21, 2013Observed: 10.58 ft at 6:00PM May 21, 2013Observed: 10.59 ft at 6:15PM May 21, 2013Observed: 10.65 ft at 6:30PM May 21, 2013Observed: 10.65 ft at 6:45PM May 21, 2013Observed: 10.66 ft at 7:00PM May 21, 2013Observed: 10.66 ft at 7:15PM May 21, 2013Observed: 10.68 ft at 7:30PM May 21, 2013Observed: 10.67 ft at 7:45PM May 21, 2013Observed: 10.69 ft at 8:00PM May 21, 2013Observed: 10.78 ft at 8:15PM May 21, 2013Observed: 10.78 ft at 8:30PM May 21, 2013Observed: 10.8 ft at 8:45PM May 21, 2013Observed: 10.82 ft at 9:00PM May 21, 2013Observed: 10.84 ft at 9:15PM May 21, 2013Observed: 10.87 ft at 9:30PM May 21, 2013Observed: 10.86 ft at 9:45PM May 21, 2013Observed: 10.88 ft at 10:00PM May 21, 2013Observed: 10.88 ft at 10:15PM May 21, 2013Observed: 10.89 ft at 10:30PM May 21, 2013Observed: 10.94 ft at 10:45PM May 21, 2013Observed: 10.95 ft at 11:00PM May 21, 2013Observed: 10.96 ft at 11:15PM May 21, 2013Observed: 10.98 ft at 11:30PM May 21, 2013Observed: 10.99 ft at 11:45PM May 21, 2013Observed: 11.05 ft at 12:00AM May 22, 2013Observed: 11.07 ft at 12:15AM May 22, 2013Observed: 11.08 ft at 12:30AM May 22, 2013Observed: 11.12 ft at 12:45AM May 22, 2013Observed: 11.12 ft at 1:00AM May 22, 2013Observed: 11.13 ft at 1:15AM May 22, 2013Observed: 11.14 ft at 1:30AM May 22, 2013Observed: 11.16 ft at 1:45AM May 22, 2013Observed: 11.17 ft at 2:00AM May 22, 2013Observed: 11.19 ft at 2:15AM May 22, 2013Observed: 11.25 ft at 2:30AM May 22, 2013Observed: 11.23 ft at 2:45AM May 22, 2013Observed: 11.2 ft at 3:00AM May 22, 2013Observed: 11.1 ft at 3:15AM May 22, 2013Observed: 11.09 ft at 3:30AM May 22, 2013Observed: 11.07 ft at 3:45AM May 22, 2013Observed: 11.06 ft at 4:00AM May 22, 2013Observed: 11.08 ft at 4:15AM May 22, 2013Observed: 11.05 ft at 4:30AM May 22, 2013Observed: 11.06 ft at 4:45AM May 22, 2013Observed: 11.05 ft at 5:00AM May 22, 2013Observed: 11.05 ft at 5:15AM May 22, 2013Observed: 11.02 ft at 6:30AM May 22, 2013Observed: 10.97 ft at 6:45AM May 22, 2013Observed: 10.98 ft at 7:00AM May 22, 2013Observed: 10.97 ft at 7:15AM May 22, 2013Observed: 10.98 ft at 7:30AM May 22, 2013Observed: 10.96 ft at 7:45AM May 22, 2013Observed: 10.88 ft at 8:00AM May 22, 2013Observed: 10.87 ft at 8:15AM May 22, 2013Observed: 10.87 ft at 8:30AM May 22, 2013Observed: 10.85 ft at 8:45AM May 22, 2013Observed: 10.85 ft at 9:00AM May 22, 2013Observed: 10.83 ft at 9:15AM May 22, 2013Observed: 10.82 ft at 9:30AM May 22, 2013Observed: 10.83 ft at 9:45AM May 22, 2013Observed: 10.8 ft at 10:00AM May 22, 2013Observed: 10.82 ft at 10:15AM May 22, 2013Observed: 10.82 ft at 10:30AM May 22, 2013Observed: 10.79 ft at 10:45AM May 22, 2013Observed: 10.76 ft at 11:00AM May 22, 2013Observed: 10.78 ft at 11:15AM May 22, 2013Observed: 10.75 ft at 11:30AM May 22, 2013Observed: 10.75 ft at 11:45AM May 22, 2013Observed: 10.74 ft at 12:00PM May 22, 2013Observed: 10.78 ft at 12:15PM May 22, 2013Observed: 10.7 ft at 12:30PM May 22, 2013Observed: 10.69 ft at 12:45PM May 22, 2013Observed: 10.69 ft at 1:00PM May 22, 2013Observed: 10.69 ft at 1:15PM May 22, 2013Observed: 10.66 ft at 1:30PM May 22, 2013Observed: 10.67 ft at 1:45PM May 22, 2013Observed: 10.66 ft at 2:00PM May 22, 2013Observed: 10.66 ft at 2:15PM May 22, 2013Observed: 10.64 ft at 2:30PM May 22, 2013Observed: 10.67 ft at 2:45PM May 22, 2013Observed: 10.64 ft at 3:00PM May 22, 2013Observed: 10.62 ft at 3:15PM May 22, 2013Observed: 10.62 ft at 3:30PM May 22, 2013Observed: 10.53 ft at 3:45PM May 22, 2013Observed: 10.53 ft at 4:00PM May 22, 2013Observed: 10.59 ft at 4:15PM May 22, 2013Observed: 10.52 ft at 4:30PM May 22, 2013Observed: 10.48 ft at 4:45PM May 22, 2013Observed: 10.5 ft at 5:00PM May 22, 2013Observed: 10.53 ft at 5:15PM May 22, 2013Observed: 10.5 ft at 5:30PM May 22, 2013Observed: 10.5 ft at 5:45PM May 22, 2013Observed: 10.48 ft at 6:00PM May 22, 2013Observed: 10.49 ft at 6:15PM May 22, 2013Observed: 10.41 ft at 6:30PM May 22, 2013Observed: 10.47 ft at 6:45PM May 22, 2013Observed: 10.45 ft at 7:00PM May 22, 2013Observed: 10.4 ft at 7:15PM May 22, 2013Observed: 10.41 ft at 7:30PM May 22, 2013Observed: 10.4 ft at 7:45PM May 22, 2013Observed: 10.45 ft at 8:00PM May 22, 2013Observed: 10.41 ft at 8:15PM May 22, 2013Observed: 10.37 ft at 8:30PM May 22, 2013Observed: 10.41 ft at 8:45PM May 22, 2013Observed: 10.38 ft at 9:00PM May 22, 2013Observed: 10.45 ft at 9:15PM May 22, 2013Observed: 10.51 ft at 9:30PM May 22, 2013Observed: 10.47 ft at 9:45PM May 22, 2013Observed: 10.47 ft at 10:00PM May 22, 2013Observed: 10.53 ft at 10:15PM May 22, 2013Observed: 10.48 ft at 10:30PM May 22, 2013Observed: 10.5 ft at 10:45PM May 22, 2013Observed: 10.48 ft at 11:00PM May 22, 2013Observed: 10.54 ft at 11:15PM May 22, 2013Observed: 10.49 ft at 11:30PM May 22, 2013Observed: 10.51 ft at 11:45PM May 22, 2013Observed: 10.53 ft at 12:00AM May 23, 2013Observed: 10.53 ft at 12:15AM May 23, 2013Observed: 10.53 ft at 12:30AM May 23, 2013Observed: 10.53 ft at 12:45AM May 23, 2013Observed: 10.55 ft at 1:00AM May 23, 2013Observed: 10.55 ft at 1:15AM May 23, 2013Observed: 10.56 ft at 1:30AM May 23, 2013Observed: 10.62 ft at 1:45AM May 23, 2013Observed: 10.58 ft at 2:00AM May 23, 2013Observed: 10.56 ft at 2:15AM May 23, 2013Observed: 10.6 ft at 2:30AM May 23, 2013Observed: 10.63 ft at 2:45AM May 23, 2013Observed: 10.6 ft at 3:00AM May 23, 2013Observed: 10.61 ft at 3:15AM May 23, 2013Observed: 10.61 ft at 3:30AM May 23, 2013Observed: 10.61 ft at 3:45AM May 23, 2013Observed: 10.61 ft at 4:00AM May 23, 2013Observed: 10.61 ft at 4:15AM May 23, 2013Observed: 10.65 ft at 4:30AM May 23, 2013Observed: 10.61 ft at 4:45AM May 23, 2013Observed: 10.62 ft at 5:00AM May 23, 2013Observed: 10.62 ft at 5:15AM May 23, 2013Observed: 10.62 ft at 5:30AM May 23, 2013Observed: 10.65 ft at 5:45AM May 23, 2013Observed: 10.69 ft at 6:00AM May 23, 2013Observed: 10.69 ft at 6:15AM May 23, 2013Observed: 10.7 ft at 6:30AM May 23, 2013Observed: 10.72 ft at 6:45AM May 23, 2013Observed: 10.79 ft at 7:00AM May 23, 2013Observed: 10.76 ft at 7:15AM May 23, 2013Forecast: 10.3 ft 2:00PM May 23, 2013Forecast: 10.6 ft 8:00PM May 23, 2013Forecast: 11.2 ft 2:00AM May 24, 2013Forecast: 10.7 ft 8:00AM May 24, 2013Forecast: 10.6 ft 2:00PM May 24, 2013Forecast: 11.1 ft 8:00PM May 24, 2013Highest Forecast: 11.9 ft 2:00AM May 25, 2013Forecast: 11.2 ft 8:00AM May 25, 2013Forecast: 10.9 ft 2:00PM May 25, 2013Forecast: 11.2 ft 8:00PM May 25, 2013Highest Forecast: 11.9 ft 2:00AM May 26, 2013Forecast: 11.1 ft 8:00AM May 26, 2013Forecast: 10.7 ft 2:00PM May 26, 2013Forecast: 10.9 ft 8:00PM May 26, 2013Forecast: 11.4 ft 2:00AM May 27, 2013Forecast: 10.8 ft 8:00AM May 27, 2013Forecast: 10.5 ft 2:00PM May 27, 2013Forecast: 10.6 ft 8:00PM May 27, 2013USGS--Water Resources of the United StatesELZP1(plotting HPIRG) Graph Created (8:13AM May 23, 2013)ObservedForecast (issued 1:01AM May 23)Latest observed value: 10.76 ft at 7:15 AM EDT 23-May-2013. Flood Stage is 20 ft
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About this graph
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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 Elizabeth Lock and Dam are issued routinely year-round.

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Upstream Gauge - at Charleroi Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Braddock Lock and Dam
Flood Categories (in feet)
Major Flood Stage:26
Moderate Flood Stage:23
Flood Stage:20
Action Stage:16.5

Historical Crests
(1) 32.50 ft on 03/18/1936
(2) 31.60 ft on 11/06/1985
(3) 30.30 ft on 01/20/1996
(4) 29.00 ft on 06/24/1972
(5) 28.50 ft on 10/16/1954
(6) 28.30 ft on 03/07/1967
(7) 27.60 ft on 02/19/2000
(8) 26.77 ft on 04/16/2007
(9) 26.50 ft on 03/06/1963
(10) 25.60 ft on 05/25/1968
Show More Historical Crests

Low Water Records
(1) 0.00 ft on 01/01/1980
Legend
Gauge Location
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
32 ELIZABETH IMMEDIATELY DOWNSTREAM OF LOCK 3 FLOODS.
30.5 WATER STREET...FIRST STREET AND SECOND STREET IN WEST ELIZABETH FLOOD. FLOOD WATERS ARE 4 TO 5 FEET DEEP IN HOMES ALONG WATER STREET.
27 SERIOUS DAMAGE TO HOMES AND INDUSTRIES IN WEST ELIZABETH. MANY ROADS FLOOD.
25.6 WATER REACHES THE FIRST FLOOR OF NUMEROUS HOMES FROM THE INTERSECTION OF FIRST AND BORDER STREETS NORTH TO THE INTERSECTION OF MILL AND FIRST STREETS IN WEST ELIZABETH.
23 INDUSTRIAL CHEMICAL CORPORATION PLANT FLOODS.
22 IN WEST ELIZABETH BASEMENTS OF NUMEROUS HOMES IN THE BLOCK BOUNDED BY FIRST AND WATER STREETS BEGIN TO FLOOD.
20 SMALL COMMUNITIES AROUND LOCK 3 AREA BEGIN MINOR FLOODING.
18.1 Lock walls overtopped.
17.5 Navigation suspended, lock out of service.
About This Location Collapse

Latitude: 40.262222° N, Longitude: 79.901389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 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 29 717.9 ft 737.9 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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Hydrologic Resources Additional Resources
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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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