PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
LOCATION.--Lat 42°20'17", long
74°27'06" referenced to North American Datum of 1983,
Delaware County, NY, Hydrologic Unit 02020005, on right bank 50
ft upstream from bridge on Intake Road, about 100 ft upstream
from mouth, and 0.15 mi northeast of State Highway 23, near
Prattsville.
DRAINAGE AREA.--25.7 mi².
PERIOD OF RECORD.--October 1998 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,156.77 ft above NAVD of 1988.
REMARKS.--Extreme low flows may be affected by discharges from New York City Grand Gorge Wastewater Treatment Plant 2 mi upstream.
Water Years 2014-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,750 ft³/s, June 25, 2014, gage height, 8.28 ft, outside gage height was 8.69 ft, from crest-stage gage; minimum discharge, 0.03 ft³/s, Sept. 10, 2001, gage height, 1.33 ft.
DRAINAGE AREA.--25.7 mi².
PERIOD OF RECORD.--October 1998 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,156.77 ft above NAVD of 1988.
REMARKS.--Extreme low flows may be affected by discharges from New York City Grand Gorge Wastewater Treatment Plant 2 mi upstream.
Water Years 2014-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,750 ft³/s, June 25, 2014, gage height, 8.28 ft, outside gage height was 8.69 ft, from crest-stage gage; minimum discharge, 0.03 ft³/s, Sept. 10, 2001, gage height, 1.33 ft.
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