STATION.--01517900 TIOGA LAKE
LOCATION.--Lat 41`53'57", long 77`08'21`,
Tioga County, Hydrologic Unit 02050104, at Tioga Dam on Tioga River,
0.8 mi south of Tioga, and 1.7 mi upstream from Crooked Creek.
DRAINAGE AREA.--280 square miles.
PERIOD OF RECORD.--November 1979 to current
GAGE.--Water-stage recorder. Datum of gage is U.S.
Army Corps of Engineers local project datum. Prior to water year 2007,
the datum was incorrectly reported as NGVD 1929.
REMARKS.--Reservoir is formed by rolled earth and
rockfill dam. Flood flows are routed to Hammond Lake through a
connecting channel with weir at elevation 1,101.0 ft and to Hammond Dam
spillway with crest at elevation 1,131.0 ft. Storage began in November
1979. Capacity at elevation 1,131.0 ft is 62,000 acre-ft. Recreation
lake elevation is 1,081 ft, capacity 9,500 acre-ft. Reservoir is used
for flood control and recreation. Flow is regulated by two service
gates and low-flow by-pass system. Satellite and landline telemetry at
COOPERATION.--Funding for the operation of this
station is provided by the U.S. Army Corps of Engineers, Baltimore