Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our mobile dedicated web site here.
Click to hideNews Bulletins



Click to hidestation-specific text
Funding for this site is provided by:


LOCATION.--Lat 41°50'42", long 74°32'22" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02020007, on right bank 600 ft downstream from Red Brook, and 0.6 mi upstream from bridge on State Highway 55, in Grahamsville.
DRAINAGE AREA.--20.9 mi².
PERIOD OF RECORD.--October 1938 to March 1987, October 1998 to current year. Monthly discharge only for some periods, published in WSP 1302.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 878.96 ft above NGVD of 1929 and 878.33 ft above NAVD of 1988 (VERTCON). Prior to October 1998, at datum 2.00 ft higher. Concrete control destroyed April 2005.
REMARKS.--Slight seasonal regulation caused by Beaverdam Pond on Red Brook.
Water Years 2014-18: Records fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,640 ft³/s, Oct. 15, 1955, gage height, 7.02 ft, present datum, from rating curve extended above 1,400 ft³/s on basis of slope-area measurement at gage height 6.68 ft, present datum; minimum discharge, 1.4 ft³/s, Nov. 1, 1964.

Peak Flow and Stage Information

Gage PhotoStation image


This station managed by the NY Water Science Center Troy.

Available Parameters Period of Record
1938-11-09  2020-01-17


  -- or --



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

Discharge, cubic feet per second

Graph of DAILY Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"


Create presentation-quality graph.