LOCATION.--Lat 41°40'04.1", long
74°37'22.9" referenced to North American Datum of
1983, Sullivan County, NY, Hydrologic Unit 02040104,
on left bank on downstream side of bridge on River Road,
1.5 mi downstream from Pleasure Lake dam, 0.3 mi downstream
from Kiamesha Creek, and 3.2 mi northeast of Monticello.
DRAINAGE AREA.--28.4 mi².
PERIOD OF RECORD.--November 2019 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,114.51 ft above NAVD of 1988.
REMARKS.--Flow slightly regulated by Pleasure Lake
reservoir 1.5 mi upstream and by several small upstream lakes.
Water Years 2020-23: Records good except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum
discharge, 2,150 ft³/s, Sept. 2, 2021, gage
height, 6.72 ft; minimum discharge, 2.56 ft³/s, Aug. 17,
2022, gage height, 1.77 ft.
PERIOD OF RECORD1.--SPECIFIC CONDUCTANCE:
November 2019 to current year. WATER TEMPERATURE: November 2019
to current year.
INSTRUMENTATION1.--A continuous water-quality
monitor with water temperature and specific conductance
provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY
RECORD1.--SPECIFIC CONDUCTANCE: Maximum, 1,710
uS/cm at 25 °C, Feb. 17, 2021; minimum, 74 uS/cm at 25 °C,
Sept. 2, 2021. WATER TEMPERATURE: Maximum, 28.3 °C, June 30,
2021; minimum, -0.2 °C, Dec. 1, 2019.
1 Water-Quality Records