USGS Water-Year Summary 2020
01576500 CONESTOGA RIVER AT LANCASTER, PA
LOCATION - Lat 40°03'00", long 76°16'39" referenced to North American Datum of 1927, Lancaster County, PA, 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.
- WSP 1202: Drainage area. WSP 1502: 1943(P). WDR PA-87-2: 1985-86(P) (monthly and yearly summaries. WDR PA-90-2: 1972(M). 1974, 1975, and 1977 annual maximum instantaneous peak streamflow revised on October 31, 2016.
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, crest-stage gage, 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. Satellite and landline telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by Exelon Generation, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.