LOCATION.--Lat 41°34'02.2", long
74°46'59.8" referenced to North American Datum of
1983, Sullivan County, NY, Hydrologic Unit 02040104, 1,500 ft
downstream of the dam on Swinging Bridge Reservoir.
DRAINAGE AREA.--116 mi².
PERIOD OF RECORD.--August 2019 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 936.26 ft above NAVD of 1988.
REMARKS.--Entire flow regulated by powerplant and
storage in Swinging Bridge Reservoir (station 01433000). Total
flow includes a diversion from Cliff Lake (station 01433200)
discharged through a tunnel into Swinging Bridge Reservoir
(station 01433000).
Water Year 2019: Records fair. Water Year 2020: Records fair
except those for estimated daily discharges, which are
poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,250
ft³/s, Sept. 16, 2020, gage height, 6.34 ft; minimum
discharge, 31 ft³/s, Aug. 27, 2019, gage height, 3.76
ft.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
August 2019 to current year. DISSOLVED OXYGEN: August 2019 to
current year.
INSTRUMENTATION1.--A continuous water-quality
monitor with water temperature, and dissolved oxygen provides
15-minute-interval readings.
REMARKS1.--Water temperature is affected by
release of water from upstream reservoir. Interruption of
record was due to malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
TEMPERATURE: Maximum, 22.4 °C, Aug. 4, 2020; minimum,
0.0 °C, Dec. 21, 2019. DISSOLVED OXYGEN: Maximum, 15.1 mg/L,
Dec. 20, 2019; minimum, 4.2 mg/L, Aug. 5, 2020.
1 Water-Quality Records
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