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Water-Year Summary for Site 03040000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 40°17'08", long 78°55'15" referenced to North American Datum of 1927, Cambria County, PA, Hydrologic Unit 05010007, on right bank 50 ft upstream from State Route 271 (Eisenhower Boulevard) bridge at Ferndale, 0.4 mi downstream from Bens Creek, 1.2 mi upstream from Johnstown city limits, and 5.2 mi upstream from confluence with Little Conemaugh River.
DRAINAGE AREA - 451 mi².
REVISIONS HISTORY - WSP 743: Drainage area. WSP 1305: 1915, 1918, 1923-26. WSP 1435: 1920-21, 1932, 1941 (M), 1943 (M), 1945-46 (M). WDR PA-78-3: 1977 (M). See also PERIOD OF RECORD.
PERIOD OF RECORD - October 1913 to March 1936, October 1938 to current year. Monthly discharge only for some periods, published in WSP 1305. Monthly figures adjusted for storage and diversion for October 1918 to September 1921, published in WSP 503 and 523, have been found in error and should not be used. Published as "at Johnstown" 1914-36, and as "Stony Creek at Ferndale" 1938-79. Gage-height records collected in this vicinity since 1885 are contained in reports of U.S. Weather Bureau.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,184.06 ft above National Geodetic Vertical Datum of 1929. Prior to Mar 19, 1936, non-recording gage at site 3.5 mi downstream at different datum. Dec 8, 1938 to Jan 30, 1940, non-recording gage at site 50 ft downstream at present datum. 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 U.S. Army Corps of Engineers, Pittsburgh District, the Pennsylvania Department of Environmental Protection, and U.S. Geological Survey.
REMARKS - Regulation by mine pumpage, reservoirs, and diversion upstream of station; the four largest reservoirs have a combined capacity of 42,360 acre-ft. Figures of daily discharge do not include diversion from Stonycreek River and Quemahoning Creek Reservoir to plants of former Bethlehem Steel Co., and from Mill Creek, Dalton Run, and North Fork Bens Creek Reservoirs for water supply of city of Johnstown. Records for water years 2014-2016 are good except those for estimated daily discharges, which are poor. Records for water year 2017 are good except for estimated discharge, which is poor. Records for water years 2018-2020 are good except those greater than 12,000 cfs and those for estimated discharge, which are poor.