LOCATION.--Lat 42°03'43.94", long
75°22'44.05" referenced to North American Datum of
1983, Delaware County, NY, Hydrologic Unit 02040101, on left
bank of release channel 50 ft upstream from service road
bridge, 500 ft downstream from Cannonsville Dam, 0.7 mi
upstream from spillway channel, and 2.4 mi east of
Deposit.
DRAINAGE AREA.--456 mi².
PERIOD OF RECORD.--July 2022 to April 2023, April 2023
to December 2023 (gage heights only).
GAGE.--Water-stage recorder, acoustic velocity meter,
and crest-stage gage. Datum of gage is 993.16 ft above NAVD of
1988.
REMARKS.--Flow is completely regulated by Cannonsville
Reservoir (station 01423910). This record represents flow
through the release structure of Cannonsville Dam into the
release channel and does not include flow over the emergency
spillway of Cannonsville Dam. Flow from the release channel
combines with flow from the spillway channel about 0.7 mi
downstream of the gage to form the West Branch Delaware River.
Water Years 2022-24: Records poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,580
ft³/s, Mar. 31, 2023, gage height, 10.07 ft; maximum gage
height, 10.32 ft, Dec. 20, 21, 2023; minimum daily discharge,
117 ft³/s, Oct. 19, 2022; minimum gage height, 6.65 ft, Dec.
28, 2023.