STATION.--01576000 SUSQUEHANNA RIVER AT MARIETTA, PA
LOCATION.--Lat 40`03'16", long 76`31'52", Lancaster County, Hydrologic Unit 02050306, on left bank 420 ft upstream from Chiques Creek, and 1.0 mi downstream from Marietta. Records include flow of Chiques Creek.
DRAINAGE AREA.--25,990 square miles, includes that of Chiques Creek.
PERIOD OF RECORD.--October 1931 to current year.
GAGE.--Water-stage recorder. Datum of gage is 200.56 ft above National Geodetic Vertical Datum of 1929.
COOPERATION.--Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection, Brookfield Renewable Energy Group, and the U.S. Geological Survey.
REMARKS.--There is considerable hourly fluctuation on days when the daily discharge is less than 8,000 cfs due to the operation of the York Haven power plant 11 miles upstream.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 67.1 ft; Data transmitter operational limit - 68.8 ft;
Supplied by NWS: Action stage-44 ft, the right or west bank overflows; Some roadways affected; Flood stage-49 ft, Front Street in Wrightsville floods. Low lying areas of Rte 624 on the right or west bank and along Rte 441 on the left or east bank are affected. Riverside recreation area is inundated; Moderate flood stage-52 ft, a number of residences in the Wrightsville and Columbia areas begin to be affected; Major flood stage-54 ft, numerous homes and businesses in the Columbia and Wrightsville areas are affected. The Wilton Company in Wrightsville experience high water.