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NOTICE (07/05/2022) -- This site will be discontinued on September 30, 2022. Although historic data will remain accessible, no new data will be collected after this date unless one or more new funding partners are found. Users who are willing to contribute funding to continue operation of this streamgage should contact Rob Breault of the USGS New York Water Science Center at 518-285-5600 or

> Site Information
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 September 2022 (discontinued).
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 2014-22: 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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> Rating Information
This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
2007-10-01  2022-10-03
2007-10-01  2022-10-03


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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.