--03038000 CROOKED CREEK AT IDAHO, PA
--Lat 40`39'17", long
79`20'56", Armstrong County, Hydrologic Unit 05010006, on
right bank at downstream end of old bridge abutment at Idaho, 0.4 mi
downstream from Keystone Generation Station, 1.5 mi downstream from
Plum Creek, and 2.4 mi west of Shelocta.
PERIOD OF RECORD.
--October 1937 to current year.
Monthly discharge only for some periods published in WSP 1305.
--Water-stage recorder and concrete weir control.
Datum of gage is 961.04 ft above National Geodetic Vertical Datum of
1929 (Baltimore and Ohio Railroad bench mark).
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS:
Action stage-9 ft; Flood stage-12.5
--Flow regulated to some extent since March
1968 by Keystone Lake 7 mi upstream, usable capacity, 22,010 acre-ft.
Evaporation from operation of steam-electric plant 0.4 mi upstream,
which began during July 1967, can amount to as much as 30 ft3/s. U.S.
Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.
--Flood of March
1936 reached a stage of 18.6 ft, from floodmark, discharge, 19,400
--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the U.S. Army Corps of Engineers, Pittsburgh District,
the Pennsylvania Department of Environmental Protection, and the U.S.
Geological Survey through the Cooperative Water Program.