LOCATION.--Lat 41°23'40.5", long
73°36'26.9" referenced to North American Datum of
1983, Putnam County, NY, Hydrologic Unit 02030101, on right
bank 50 ft downstream from bridge on US Highway 6 at Brewster,
1.6 mi downstream from East Branch Reservoir Dam, and 0.9 mi
upstream from bridge at Diverting Reservoir.
DRAINAGE AREA.--81.2 mi².
PERIOD OF RECORD.--March 1994 to current year.
REVISIONS HISTORY.--Datum previously reported as 317.58
ft above NGVD of 1929 (NYS Department of Transportation
benchmark) and 316.71 ft above NAVD of 1988 (VERTCON) was found
to be in error. Datum was corrected on Mar. 17, 2022, to 315.74
ft above NAVD of 1988.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 315.74 ft above NAVD of 1988.
REMARKS.--Flow regulated by East Branch Reservoir.
Water Years 2014-23: Records good.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,810
ft³/s, Mar. 8, 2011, gage height, 8.30 ft; minimum discharge,
10 ft³/s, Sept. 26, 2002, gage height, 2.55 ft.