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USGS 01576500 Conestoga River at Lancaster, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01576500 CONESTOGA RIVER AT LANCASTER, PA
LOCATION.--Lat 40`03'00", long 76`16'39", Lancaster County, Hydrologic Unit 02050306, on left bank at Penn Central Railroad bridge, 50 ft downstream from small right-bank tributary, and 0.7 mi east of Lancaster.
DRAINAGE AREA.--324 mi2.
PERIOD OF RECORD.--October 1928 to March 1932; August, September 1932; April 1933 to current year. Prior to October 1973, published as Conestoga Creek at Lancaster.
GAGE.--Water-stage recorder and concrete control. Datum of gage is 245.63 ft above National Geodetic Vertical Datum of 1929. Prior to May 1, 1933, at site 600 ft upstream at different datum, excluding small tributary.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 19.1 ft; Data transmitter operational limit - 19.9 ft;
Supplied by NWS: Action stage-9 ft; Flood stage-11 ft, Grofftown Road will flood; Moderate flood stage-13 ft, several homes are affected by high water; Major flood stage-15 ft, many homes near the river are affected by high water.
COOPERATION.--Records of diversion provided by the City of Lancaster. Funding for the operation of this station is provided by Excelon Generation, the Pennsylvania Department of Envirnomental Protection and the U. S. Geological Survey through the Cooperative Water Program and the National Streamflow Information Program.
REMARKS.--
The 15-minute precipitation data for this station are temporary and will only be displayed for 120 days. Time series of 1-hour or cumulative daily values will NOT be available for retrieval following the 120-day display period. Although the instrumentation is calibrated at least once a year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.
This station managed by the PAWSC New Cumberland Office.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00065 Gage height 2014-06-24  2014-10-22
00060 Discharge 2007-10-01  2014-10-22
00045 Precipitation 2014-06-24  2014-10-22

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


Gage height, feet

Most recent instantaneous value: 3.46   10-22-2014  17:30 EDT
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Discharge, cubic feet per second

Most recent instantaneous value: 238   10-22-2014  17:30 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 22 based on 84 years of record more
Min
(1931)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Oct 22
75th
percen-
tile
Max
(1977)
38 80 130 222 238 256 1170