USGS Water-Year Summary for Site 01471510

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

01471510 SCHUYLKILL RIVER AT READING, PA

LOCATION - Lat 40°20'07.3", long 75°56'12.6" referenced to North American Datum of 1983, Berks County, PA, Hydrologic Unit 02040203, on the downstream side of the Penn Street bridge at Reading, 80 feet from the left bank, and 1.25 mi downstream from Tulpehocken Creek.

DRAINAGE AREA - 880 mi².

REVISIONS HISTORY - WDR PA-78-1: 1977, WDR PA-13-1: 2014.

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1914 to September 1915, October 1919 to September 1930, and July 1977 to current year. Prior to October 1914 monthly discharge only, published in WSP 1302. Diversion by Schuylkill Navigation Canal included during the navigation seasons of 1914-15.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 185.50 ft above National Geodetic Vertical Datum of 1929 (Pennsylvania Railroad datum). May 7, 1914, to Sept. 30, 1930, and July 6, 1979, to Dec. 5, 1980, non-recording gage. June 30, 1977, to July 5, 1979, water-stage recorder at site 2,800 ft downstream on right bank at same datum. July 5, 1979 to Aug 30, 2018, water-stage recorder at site 1,300 ft downstream on left bank at same datum. Aug 30, 2018 to Apr 25, 2023, water-stage recorder at site 2,700 ft downstream on trail bridge at same datum. Satellite and landline telemetry at station.

COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Philadelphia District.

REMARKS - Flow regulated by Still Creek Reservoir (station 01469200) since February 1933, Blue Marsh Lake (station 01470870) since April 1979, and to some extent by Lake Ontelaunee. Records for water years 2014-2016 are good except those for estimated daily discharges, which are poor. Records for water year 2017 are fair except for estimated discharge, which is poor. Records for water year 2018 are poor. Due to ongoing channel alterations from bridge repairs since 2017, records for water year 2019 continue to be rated poor. Records for water year 2020 are fair except for estimated discharge, which is poor. Records for water years 2021-2022 are good except for estimated discharge, which is poor. Records for water year 2023 are good Oct 1 - Apr 5 except for Apr 26 - Sept 30, which is fair, and Apr 6 - 25, which is poor.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 23, 1972, reached a stage of about 31.3 ft at site 1,500 ft downstream, from floodmarks, discharge, about 90,000 ft³/s.