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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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USGS Water-Year Summary 2024
01424998 CANNONSVILLE RESERVOIR RELEASE CHANNEL NEAR STILESVILLE, NY
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.
SURFACE-WATER RECORDS
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.
