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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.

USGS 03028500 Clarion River at Johnsonburg, PA

PROVISIONAL DATA SUBJECT TO REVISION

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STATION.--03028500 CLARION RIVER AT JOHNSONBURG, PA
LOCATION.--Lat 41`29'10", long 78`40'43", Elk County, Hydrologic Unit 05010005, on left bank at upstream side of highway bridge at Johnsonburg, 0.1 mi downstream from confluence of East and West Branches.
DRAINAGE AREA.--204 square miles.
PERIOD OF RECORD.--October 1945-1995 (continuous-record discharge station), 1996 to 2013 (annual peaks only), 2014 to current year (continuous-record discharge station).
GAGE.--Water-stage recorder, water-quality monitor and crest-stage gage. Datum of gage is 1,423.03 ft above National Geodetic Vertical Datum of 1929. Prior to Nov. 8, 1951, non-recording gage at same site and datum. Satellite and landline telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District.
REMARKS.--Flow regulated since June 1952 by East Branch Clarion River Lake 7.9 mi upstream and at low flow by industrial plants above station.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-5 ft; Flood stage-7 ft; Moderate flood stage-9 ft; Major flood stage-10 ft.
This station managed by the PAWSC Williamsport Field Office.

Available Parameters Period of Record
  
2013-10-01  2024-04-25
1945-10-01  2024-04-25







 (365)
 
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