--01543500 SINNEMAHONING CREEK AT
--Lat 41`19'02", long
78`06'12", Cameron County, Hydrologic Unit 02050202, on left
bank 0.2 mi upstream from Grove Run, and 0.7 mi upstream from Penn
Central Railroad bridge at Sinnemahoning.
PERIOD OF RECORD.
--July 1938 to current year. Prior to
October 1938 monthly discharge only, published in WSP 1302.
--Water-stage recorder. Datum of gage is 769.36
ft above National Geodetic Vertical Datum of 1929.
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 29.3 ft; Data transmitter
operational limit - 29.3 ft;
Supplied by NWS
: Action stage-13 ft: Flood stage-17
ft, the right, or south bank overflows across from the mouth of the
First Fork of the Sinnemahoning; Moderate flood stage-19 ft, several
homes on the right, or south bank across from the mouth are affected;
water level approaches Route 120 near mouth of the First Fork; Major
flood stage-21 ft, both banks overflow; a number of homes on both banks
are affected; Route 120 is inundated.
EXTREMES OUTSIDE PERIOD OF RECORD.
known, 21.94 ft, Mar. 18, 1936, from floodmark, discharge, 61,200
ft3/s, from rating curve extended above 31,000 ft3/s on basis of
slope-area measurement at gage height 21.58 ft.
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.