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

Page Loading - Please Wait...

Click to hideNews Bulletins



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


> Site Information
LOCATION.--Lat 41°50'56.7", long 74°31'54.6" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02020007, on right bank, 20 ft downstream from bridge on State Highway 55, 1,900 ft downstream from Neversink Reservoir Diversion, and 1,000 ft upstream from Rondout Reservoir, at Grahamsville.
DRAINAGE AREA.--21.5 mi².  
PERIOD OF RECORD.--September 2018 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 841.33 ft above NAVD of 1988.
REMARKS.--Flow regulated by Neversink Reservoir (station 01435900). Slight seasonal regulation caused by Beaverdam Pond on Red Brook. Water Years 2018-21: Records fair except those for estimated daily discharges, which are poor. Water Years 2022-23: Records fair except those for estimated daily discharges and those above 400 ft³/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,130 ft³/s, Apr. 7, 2022, gage height, 6.36 ft, from rating curve extended above 1,000 ft³/s; minimum discharge, 11 ft³/s, Aug. 23, 24, 25, 26, 2020; minimum gage height, 1.87 ft, Aug. 24, 2020.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: September 2018 to current year.
INSTRUMENTATION1.--Water-temperature recorder provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 22.0 °C, Aug. 24, 2020; minimum, 0.2 °C, on several days during winter periods.
1 Water-Quality Records
> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Period of Record
2018-09-14  2024-02-25
2018-09-14  2024-02-24


  -- or --



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

Temperature, water, degrees Celsius

Graph of DAILY Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"


Create presentation-quality graph.  

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.