LOCATION.--Lat 43°21'11.9", long
78°11'35.0" referenced to North American Datum of
1983, Orleans County, NY, Hydrologic Unit 04130001, on left
bank on downstream end of abandoned bridge pier of Oak Orchard
River Road bridge, 4.0 mi downstream from Waterport Reservoir
Dam, 1.7 mi upstream from mouth into Lake Ontario, and 7.4 mi
north of Albion.
DRAINAGE AREA.--272 mi².
PERIOD OF RECORD.--September 2020 to current year.
GAGE.--Acoustic velocity meter, water-stage recorder,
and crest-stage gage. Datum of gage is 229.39 ft above NAVD of
1988 and 229.32 ft above IGLD of 1985.
REMARKS.--Flow regulated to some extent by Waterport
hydroelectric reservoir 4.0 mi upstream from station and from
Glenwood Lake hydroelectric reservoir 18.3 mi upstream from
station. Discharge includes undetermined diversion from Erie
(Barge) Canal, 14.8 mi upstream from station. Water Years
2020-23: Records fair except those for estimated daily
discharges and those below 100 ft³/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,760
ft³/s, Feb. 18, 2022, gage height, 17.30 ft; maximum gage
height, 18.28 ft, May 13, 2023; minimum daily discharge, 50.4
ft³/s, July 26, 2023; minimum gage height, 14.59 ft, Nov. 6,
2022.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in May 2017
reached an elevation of 19.66 ft, present datum (248.98 ft
above IGLD of 1985), from floodmarks at Marsh Creek at mouth at
The Bridges (station 0422018605).
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
October 2020 to current year. SPECIFIC CONDUCTANCE: October
2020 to current year. DISSOLVED OXYGEN: October 2020 to current
year. TURBIDITY: October 2020 to current year.
INSTRUMENTATION1.--Multi-parameter
water-quality sonde measures water temperature, specific
conductance, dissolved oxygen, and turbidity at 15-minute
intervals since October 2020.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
TEMPERATURE: Maximum, 28.4°C, June 29, Aug. 26, 2021; minimum,
-0.1°C, Mar. 1, 2, 5, 2021.
SPECIFIC CONDUCTANCE: Maximum, 1,110 uS/cm @ 25°C, Feb. 24,
2021; minimum, 328 uS/cm @ 25°C, Aug. 16, 2023.
DISSOLVED OXYGEN: Maximum, 18.8 mg/L, June 18, 2022; minimum,
3.7 mg/L, Aug. 7, 2023.
TURBIDITY: Maximum, 229 FNU, June 8, 2021; minimum, 0.5 FNU,
Aug. 25, 26, Sept. 21, 22, 2022.
1 Water-Quality Records
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