LOCATION.--Lat 42°07'12", long
74°49'07" referenced to North American Datum of 1983,
Delaware County, NY, Hydrologic Unit 02040102, on right bank
500 ft upstream from bridge on County Highway 1, about 1,700 ft
upstream from Pepacton Reservoir, and 5 mi south of
Andes.
DRAINAGE AREA.--33.2 mi².
PERIOD OF RECORD.--February 1937 to current year.
Published as "near Shavertown" 1937-67.
REVISIONS HISTORY.--WDR NY-82-1: Drainage area. Gage
height for Nov. 1, 2019 and Aug. 4, 2020 was revised on Apr. 7,
2022, based on changes to the gage-height record. Discharge for
the periods of Nov. 1, 2, 2019 and Aug. 4, 5, 2020 was revised
on July 20, 2022, based on hydrologic comparison.
GAGE.--Water-stage recorder and crest-stage gage.
Concrete control since November 1937. Datum of gage is 1,285.87
ft above NGVD of 1929 and 1,285.20 ft above NAVD of 1988. Prior
to Aug. 5, 1937, nonrecording gage at site 500 ft downstream at
different datum. Aug. 5 to Sept. 28, 1937, nonrecording gage at
site 0.25 mi downstream at different datum.
REMARKS.--Water Years 2014-23: Records fair except those
for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,900
ft³/s, Oct. 1, 2010, gage height, 8.51 ft, from rating curve
extended above 2,200 ft³/s on basis of runoff comparison of
peak flow from contracted-opening measurement at gage height
7.69 ft at site 0.7 mi upstream; minimum discharge, 0.5 ft³/s,
Sept. 17, 21, 22, 1964.
PERIOD OF DAILY RECORD1.--SPECIFIC
CONDUCTANCE: October 2019 to current year. WATER TEMPERATURE:
October 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 RECORD1.--SPECIFIC
CONDUCTANCE: Maximum, 257 uS/cm at 25 °C, Feb. 16, 2021;
minimum, 31 uS/cm at 25 °C, July 14, 15, 16, 2021.
WATER TEMPERATURE: Maximum, 26.0 °C, July 27, 2020; minimum,
-0.1 °C on many days during 2022 and 2023 winter periods.
1 Water-Quality Records