USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 40°51'58.4",   Longitude 73°42'36.7"   NAD83

Nassau County, New York, Hydrologic Unit 02030201

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-12-13	2025-07-09
Daily Data
Temperature, water, degrees Celsius	2007-12-13	2025-07-09	18831
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2007-12-13	2025-07-09	18735
Estuary or ocean water surface elevation above NGVD 1929, feet	2007-12-13	2025-07-08	30060
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius	2007-12-13	2025-07-09	18568
Daily Statistics
Temperature, water, degrees Celsius	2007-12-13	2025-02-26	6151
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2007-12-13	2025-02-26	6117
Estuary or ocean water surface elevation above NGVD 1929, feet	2007-12-13	2025-02-26	6185
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius	2007-12-13	2025-02-26	6063
Monthly Statistics
Temperature, water, degrees Celsius	2007-12	2025-02
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2007-12	2025-02
Estuary or ocean water surface elevation above NGVD 1929, feet	2007-12	2025-02
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius	2007-12	2025-02
Annual Statistics
Temperature, water, degrees Celsius	2008	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2008	2025
Estuary or ocean water surface elevation above NGVD 1929, feet	2008	2025
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius	2008	2025
Water-Year Summary	2008	2024	16
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