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°40'40",   Longitude 74°52'45"   NAD83

Hunterdon County, New Jersey, Hydrologic Unit 02030105

Drainage area: 65.3 square miles

Datum of gage: 282.10 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1981-10-01	2025-12-04
Daily Data
Temperature, water, degrees Celsius	2020-07-30	2021-08-30	1191
Discharge, cubic feet per second	1918-10-01	2025-12-03	39146
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2020-07-30	2021-08-30	1104
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2020-07-30	2021-08-30	1098
Daily Statistics
Temperature, water, degrees Celsius	2020-07-30	2021-08-30	397
Discharge, cubic feet per second	1918-10-01	2024-08-08	38664
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2020-07-30	2021-08-30	368
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2020-07-30	2021-08-30	366
Monthly Statistics
Temperature, water, degrees Celsius	2020-07	2021-08
Discharge, cubic feet per second	1918-10	2024-08
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2020-07	2021-08
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2020-07	2021-08
Annual Statistics
Temperature, water, degrees Celsius	2020	2021
Discharge, cubic feet per second	1919	2024
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2020	2021
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2020	2021
Peak streamflow	1896-02-06	2023-07-09	107
Field measurements	1919-07-22	2025-11-21	380
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1923-08-29	2020-09-08	275
Water-Year Summary	2006	2023	18
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS New Jersey Water Science Center

Email questions about this site to New Jersey Water Science Center Water-Data Inquiries