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USGS 04271500 GREAT CHAZY RIVER AT PERRY MILLS NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 45°00'00", long 73°30'03" referenced to North American Datum of 1983, Clinton County, NY, Hydrologic Unit 04150408, on left bank 500 ft upstream from bridge on Creek Road at Perry Mills, and 7.5 mi upstream from Corbeau Creek.
DRAINAGE AREA.--243 mi².
PERIOD OF RECORD.--September 1928 to September 1968, annual maximum only--1985, 1987-89, March 1990 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 164.93 ft above NGVD of 1929 and 164.46 ft above NAVD of 1988 (VERTCON).
REMARKS.--At flows greater than about 2,000 ft³/s, significant undetermined amounts of flow bypass the gage. Records prior to October 1968 affected by diurnal fluctuation at low and medium flow by sawmill immediately upstream. Occasional regulation by Chazy Lake (usable capacity, about 765 mil ft³) and from which the Clinton Correctional Facility at Dannemora (Saranac River basin) obtains its water supply (about 1 ft³/s).
Water Years 2014-18: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 9,700 ft³/s, Nov. 9, 1996, gage height, 12.24 ft; maximum gage height, 12.91 ft, Feb. 28, 2000 (ice jam), from floodmark in gage house; minimum discharge, about 0.8 ft³/s, Sept. 18, 1932; minimum gage height, 1.22 ft, Sept. 6, 14, 1999.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Troy.

Available Parameters Available Period
  
1990-10-01  2019-12-05
2007-10-01  2019-12-05







 (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: Ice 12-05-2019   19:00 EST
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Daily discharge, cubic feet per second -- statistics for Dec 5 based on 69 water years of record more
Most Recent
Instantaneous
Value Dec 5
Min
(1967)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1951)
-- unavailable -- 17.0 100 208 246 299 888


Gage height, feet

Most recent instantaneous value: 2.88 12-05-2019   19:00 EST
Graph of  Gage height, feet

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