USGS 01591000 PATUXENT RIVER NEAR UNITY, MD

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Available data for this site

DESCRIPTION:: Latitude 39°14'17.7", Longitude 77°03'20.6" NAD83; Montgomery County, Maryland, Hydrologic Unit 02060006; Drainage area: 34.8 square miles; Datum of gage: 364.04 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1985-10-03	2025-07-02
Daily Data
Discharge, cubic feet per second	1944-07-20	2025-07-01	29567
Daily Statistics
Discharge, cubic feet per second	1944-07-20	2024-11-18	29342
Monthly Statistics
Discharge, cubic feet per second	1944-07	2024-11
Annual Statistics
Discharge, cubic feet per second	1944	2025
Peak streamflow	1945-08-01	2023-12-18	80
Field measurements	1944-07-12	2025-06-26	730
Field/Lab water-quality samples	1970-07-20	2004-08-04	702
Water-Year Summary	2006	2024	19
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS Maryland Water Science Center; Email questions about this site to Maryland 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: Maryland Water Data Support Team
Page Last Modified: 2025-07-03 00:01:16 EDT
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