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