USGS 01305500 SWAN RIVER AT EAST PATCHOGUE NY

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Available data for this site

DESCRIPTION:: Latitude 40°46'02.1", Longitude 72°59'37.8" NAD83; Suffolk County, New York, Hydrologic Unit 02030202; Drainage area: 8.07 square miles; Datum of gage: 2.84 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	2007-10-01	2025-07-07
Daily Data
Discharge, cubic feet per second	1946-10-01	2025-07-06	28769
Daily Statistics
Discharge, cubic feet per second	1946-10-01	2024-12-08	28559
Monthly Statistics
Discharge, cubic feet per second	1946-10	2024-12
Annual Statistics
Discharge, cubic feet per second	1947	2025
Peak streamflow	1947-08-16	2024-03-07	78
Field measurements	1946-10-25	2025-07-03	858
Field/Lab water-quality samples	1966-05-11	1997-06-18	114
Water-Year Summary	2005	2024	19
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS New York Water Science Center; Email questions about this site to New York Water Science Center Water-Data Inquiries

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://nwis.waterdata.usgs.gov/nwis/inventory?

Page Contact Information: New York Water Data Support Team
Page Last Modified: 2025-07-07 17:06:58 EDT
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