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USGS 04275000 EAST BRANCH AUSABLE RIVER AT AU SABLE FORKS NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 44°26'14.6", long 73°40'51.5" referenced to North American Datum of 1983, Essex County, NY, Hydrologic Unit 04150404, on left bank 700 ft upstream from bridge on Burt Street, and 0.5 mi upstream from confluence with West Branch, in Au Sable Forks.
DRAINAGE AREA.--198 mi².
PERIOD OF RECORD.--Occasional discharge measurements, water years 1910-11. September 1924 to September 1995, October 1996 to February 2016 (annual maximum only), March 2016 to current year.
REVISIONS HISTORY.--WSP 759: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 545.37 ft above NGVD of 1929 and 544.90 ft above NAVD of 1988. Prior to Sept. 21, 1938, nonrecording gage at Grove Road bridge in Au Sable Forks, 400 ft upstream from confluence with West Branch Ausable River, at datum 3.54 ft lower.
REMARKS.--Minor storage in Upper and Lower Ausable Lakes. During the 1920s to 1950s, flows could have been affected by operation of a hydroelectric plant (Nye Dam) near Upper Jay. Water Years 2016-20: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 31,500 ft³/s, Aug. 28, 2011, from rating curve extended above 13,900 ft³/s on basis of contracted-opening measurement of peak flow at gage height 15.22 ft; maximum gage height, 18.51 ft, from floodmark in gage house; minimum discharge observed, 20 ft³/s, Aug. 11, 14, 28, 1934.
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> Rating Information
This station managed by the NY Water Science Center Potsdam.

Available Parameters Available Period
  
1990-10-01  2021-06-23
2007-10-01  2021-06-23







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 125 06-23-2021   16:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 23 based on 76 water years of record more
Min
(1995)
25th
percen-
tile
Most Recent
Instantaneous
Value Jun 23
Median Mean 75th
percen-
tile
Max
(1972)
42.0 96 125 138 216 247 1400


Gage height, feet

Most recent instantaneous value: 1.48 06-23-2021   16:15 EST
Graph of  Gage height, feet

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