USGS 01381400 Whippany River near Morristown NJ

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DESCRIPTION:: Latitude 40°48'44", Longitude 74°30'43" NAD83; Morris County, New Jersey, Hydrologic Unit 02030103; Drainage area: 14.0 square miles; Datum of gage: 311.76 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1995-08-24	2025-12-25
Daily Data
Discharge, cubic feet per second	1995-08-24	2025-12-24	11081
Daily Statistics
Discharge, cubic feet per second	1995-08-24	2023-07-23	10196
Monthly Statistics
Discharge, cubic feet per second	1995-08	2023-07
Annual Statistics
Discharge, cubic feet per second	1995	2023
Peak streamflow	1928-08-26	2022-04-08	29
Field measurements	1964-08-28	2025-11-17	302
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1964-08-28	1968-08-30	5
Water-Year Summary	2006	2022	17
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

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

Page Contact Information: New Jersey Water Data Support Team
Page Last Modified: 2025-12-25 04:44:10 EST
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