STATION.--01574000 WEST CONEWAGO CREEK NEAR MANCHESTER, PA
LOCATION.--Lat 40`04'56", long 76`43'13", York County, Hydrologic Unit 02050306, on left bank 500 ft upstream from bridge on State Highway 181, 0.6 mi downstream from Little Conewago Creek, and 1.5 mi north of Manchester. On Sept 13, 2017 the gage was relocated to Lat 40`04'50.9", long 76`43'6.21" referenced to North American Datum of 1927, York County, PA, Hydrologic Unit 02050306, on right bank 80 ft upstream from bridge on Stage Highway 181, 0.7 mi downstream from Little Conewago Creek, and 1.5 mi north of Manchester.
DRAINAGE AREA.--510 square miles.
PERIOD OF RECORD.--October 1928 to current year. Prior to October 1931, published as Conewago Creek near Manchester.
GAGE.--Water-stage recorder, crest-stage gage and water-quality monitor. Datum of gage is is 262.89 ft above North American Vertical Datum of 1988 (from benchmark). Prior to April 3, 2025, the datum of gage was reported as 263.68 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection, the County of York, and the U.S. Geological Survey.
REMARKS.-- Occasional slight regulation since October 1959 by Conewago Lake about 13 mi upstream, capacity, 3,570 acre-ft. Also, occasional releases from Lake Meade about 30 mi upstream, 0.42 sq mi.
GAGE HEIGHTS OF IMPORTANCE.--
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 28.2 ft; Data transmitter operational limit - 28.7 ft;
Supplied by NWS: No flood stage has been determined for this station.