PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°42'32.3", long
73°19'43.7" referenced to North American Datum of
1983, Suffolk County, NY, Hydrologic Unit 02030202, on left
bank 130 ft downstream from outlet of Southards Pond in
Babylon, and 0.9 mi upstream from mouth.
DRAINAGE AREA.--35.4 mi².
PERIOD OF RECORD.--October 1944 to current year.
REVISIONS HISTORY.--WSP 1141: Drainage area. WDR NY-72-1: 1947 (m), 1952 (m), 1954 (m), 1958 (m), 1960-63 (m).
GAGE.--Water-stage recorder and concrete control. Datum of gage is 10.63 ft above NGVD of 1929 and 9.43 ft above NAVD of 1988 (VERTCON).
REMARKS.--Occasional regulation at outlet of Southards Pond.
Water Years 2014-23: Records good except for periods of estimated record, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 429 ft³/s, Aug. 13, 2014, gage height, 2.62 ft; minimum discharge, 0.05 ft³/s, July 6, 1966, Aug. 29, 1972, result of regulation, Jan. 18, 2000, result of freezeup; minimum gage height, 0.03 ft, Sept. 4, 1963, July 6, 1966, Aug. 29, 1972, result of regulation, Jan. 18, 2000, result of freezeup.
DRAINAGE AREA.--35.4 mi².
PERIOD OF RECORD.--October 1944 to current year.
REVISIONS HISTORY.--WSP 1141: Drainage area. WDR NY-72-1: 1947 (m), 1952 (m), 1954 (m), 1958 (m), 1960-63 (m).
GAGE.--Water-stage recorder and concrete control. Datum of gage is 10.63 ft above NGVD of 1929 and 9.43 ft above NAVD of 1988 (VERTCON).
REMARKS.--Occasional regulation at outlet of Southards Pond.
Water Years 2014-23: Records good except for periods of estimated record, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 429 ft³/s, Aug. 13, 2014, gage height, 2.62 ft; minimum discharge, 0.05 ft³/s, July 6, 1966, Aug. 29, 1972, result of regulation, Jan. 18, 2000, result of freezeup; minimum gage height, 0.03 ft, Sept. 4, 1963, July 6, 1966, Aug. 29, 1972, result of regulation, Jan. 18, 2000, result of freezeup.
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