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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.



[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.




USGS 03108500 Ohio River at Montgomery Lock & Dam, Lower Pool

PROVISIONAL DATA SUBJECT TO REVISION

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STATION.--03108500 OHIO RIVER AT MONTGOMERY LOCK & DAM, LOWER POOL
LOCATION.--Lat 40`38'50", long 80`23'20", water quality sonde located on the right downstream lock wall at Lat 40`39'8.21", Long 80`23'12.78", Beaver County, Hydrologic Unit 05030101.
DRAINAGE AREA.--22,960 square miles.
PERIOD OF RECORD.--July 2007 to current year.
GAGE.--Water-stage recorder near left bank, water quality monitor near right bank. Previous to November 7, 2022, water quality data was collected at upstream site 03108490 near left bank. Elevation of gage is 652.16 ft above North American Vertical Datum of 1988 (from benchmark). Prior to March 12, 2024, the datum of gage was reported as 652.5 ft above National Geodetic Vertical Datum of 1929 (NGVD29) or erroneously reported as 653.6 ft above NGVD29 depending on source. Satellite telemetry at station.
COOPERATION.--Station maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District.
REMARKS.--Satellite telemetry at station.
This station managed by the PAWSC Pittsburgh Field Office.

Available Parameters Period of Record
  
2022-11-10  2024-03-27
2015-09-30  2024-03-27
2022-11-10  2024-03-27
2022-11-10  2024-03-27
2022-11-10  2024-03-27







 (365)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Temperature, water, degrees Celsius


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Gage height, feet


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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius


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Dissolved oxygen, water, unfiltered, milligrams per liter


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pH, water, unfiltered, field, standard units


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