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Water-Year Summary for Site 01347000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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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
01347000 MOHAWK RIVER NEAR LITTLE FALLS, NY
LOCATION - Lat 43°00'53", long 74°46'46" referenced to North American Datum of 1983, Herkimer County, NY, Hydrologic Unit 02020004, on left bank 1,800 ft downstream from Fivemile Dam, 2.0 mi upstream from East Canada Creek, and 4.5 mi southeast of city of Little Falls.
DRAINAGE AREA - 1,342 mi².
REVISIONS HISTORY - WSP 741: 1929(M). WSP 1302: 1932(M). WSP 1432: 1928-30. WDR NY-85-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1927 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 308.84 ft above NGVD of 1929 (levels by Corps of Engineers) and 308.50 ft above NAVD of 1988.
REMARKS - Prior to October 1998, records of daily discharge include diversion at Fivemile Dam into Erie (Barge) Canal for lockages at Lock 16, near St. Johnsville. During canal navigation season, water is received from Black River basin through Black River Canal flowing south. Water is diverted into (or may occasionally be received from) Oswego River basin through summit level of Erie (Barge) Canal between New London and Utica. Diurnal fluctuation caused by powerplants and locks and dams on Erie (Barge) Canal. Regulation by Delta (station 01335900) and Hinckley (station 01343900) Reservoirs.
Water Years 2014-20: Records fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge (since at least 1898) prior to regulation by Hinckley Reservoir, 34,800 ft³/s, Mar. 27, 1913 (from report by R. E. Horton, 1913), at site 01346500 "at Little Falls" (drainage area, 1,290 mi²).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 36,900 ft³/s, Nov. 2, 2019, gage height, 19.86 ft; minimum discharge (river channel only), 214 ft³/s, Aug. 18, 1949, gage height, 3.75 ft.