USGS Water-Year Summary 2017
01471510 SCHUYLKILL RIVER AT READING, PA
LOCATION - Lat 40°20'05", long 75°56'12" referenced to North American Datum of 1927, Berks County, PA, Hydrologic Unit 02040203, on left bank 200 ft downstream from bridge on Penn Street at Reading, and 1.0 mi downstream from Tulpehocken Creek.
DRAINAGE AREA - 880 mi².
REVISIONS HISTORY - WDR PA-78-1: 1977, WDR PA-13-1: 2014.
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 1,500 ft downstream on right bank 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.
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.