PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 41°51'07.6", long
74°30'46.9" referenced to North American Datum of
1983, Sullivan County, NY, Hydrologic Unit 02020007, on right
bank 400 ft downstream from West Delaware Tunnel Outlet, 6.0 mi
upstream from Merriman Dam on Rondout Reservoir.
DRAINAGE AREA.--See REMARKS.
PERIOD OF RECORD.--December 2018 to current year.
GAGE.--Water-stage recorder, acoustic velocity meter, and crest-stage gage. Datum of gage is 833.89 ft above NAVD of 1988.
REMARKS.--Flow is net diversion through West Delaware Tunnel from Cannonsville Reservoir (Delaware River Basin) into Rondout Reservoir (Hudson River Basin), and is completely regulated by Cannonsville Reservoir (station 01423910).
Water Years 2019-23: Records fair except those for estimated daily discharge, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum daily discharge, 797 ft³/s, Mar. 30, 2019; no flow on many days.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: December 2018 to current year.
INSTRUMENTATION1.--Water-temperature satellite telemeter provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 24.1 °C, Sept. 2, 2022; minimum, 0.4 °C, Jan. 22, 2019.
1 Water-Quality Records
DRAINAGE AREA.--See REMARKS.
PERIOD OF RECORD.--December 2018 to current year.
GAGE.--Water-stage recorder, acoustic velocity meter, and crest-stage gage. Datum of gage is 833.89 ft above NAVD of 1988.
REMARKS.--Flow is net diversion through West Delaware Tunnel from Cannonsville Reservoir (Delaware River Basin) into Rondout Reservoir (Hudson River Basin), and is completely regulated by Cannonsville Reservoir (station 01423910).
Water Years 2019-23: Records fair except those for estimated daily discharge, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum daily discharge, 797 ft³/s, Mar. 30, 2019; no flow on many days.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: December 2018 to current year.
INSTRUMENTATION1.--Water-temperature satellite telemeter provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 24.1 °C, Sept. 2, 2022; minimum, 0.4 °C, Jan. 22, 2019.
1 Water-Quality Records
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