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NOTICE (10/31/2011)--At this time we
will maintain operation of this site until March 1, 2012 while we seek
funding to support operation and maintenance. If not successful at
identifying a source of funds, operations at this site will be
discontinued on March 1, 2012.
Users who are willing to contribute funding to continue operation of
this streamgage should contact Rob Breault or Ward Freeman of the USGS
New York Water Science Center at 518-285-5658 or dc_ny@usgs.gov.
This station is operated in cooperation
with:
NYS Department of Environmental Conservation
U.S. Geological Survey
LOCATION.--Lat 44°27'05", long 73°38'35"
referenced to North American Datum of 1927, Clinton County, NY,
Hydrologic Unit 02010004, on left bank 1.8 mi downstream from
confluence of East and West Branches, and 1.8 mi east of Au Sable
Forks.
DRAINAGE AREA.--446 mi2.
PERIOD OF RECORD.--August 1910 to September 1968, March 1990 to
current year. Prior to October 1924, published as "at Au Sable
Forks". Monthly discharge only for winter periods during 1911 and
1913 water years, published in WSP 1307.
REVISED RECORDS.--WSP 1307: 1911-19 (M), 1922-24 (M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage
is 505.65 ft above NGVD of 1929. Prior to Oct. l, 1924, chain gage at
site 1.5 mi upstream at different datum.
REMARKS.--Records good except those for estimated daily
discharges, which are poor. Occasional regulation by Fern Lake and
Taylor Pond in Black Brook basin and Upper and Lower Ausable Lakes.
Satellite and telephone gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 46,500
ft3/s, Aug. 28, 2011, gage height, 15.54 ft, from rating
curve extended above 16,000 ft3/s on basis of runoff
comparison of peak flows from contracted-opening measurements at gage
heights 13.83 ft and 15.54 ft at site 3.9 mi downstream; minimum
discharge, practically no flow July 21, 1912, result of unusual
regulation.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Feb. 23, 1990 (ice
jam), reached a stage of 14.5 ft, from floodmark 200 ft upstream from
gage.
Derived from NY Annual Water-Data Report 2011
Peak Flow and Stage Information
This station managed by the NY Water Science Center, Troy.
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U.S. Department of the Interior |
U.S. Geological Survey
