USGS 01584050 LONG GREEN CREEK AT GLEN ARM, MD

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Available data for this site

DESCRIPTION:: Latitude 39°27'16.9", Longitude 76°28'44.0" NAD83; Baltimore County, Maryland, Hydrologic Unit 02060003; Drainage area: 9.40 square miles; Datum of gage: 243.34 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1990-10-01	2025-07-01
Daily Data
Discharge, cubic feet per second	1975-10-01	2025-06-30	18171
Daily Statistics
Discharge, cubic feet per second	1975-10-01	2025-03-11	18060
Monthly Statistics
Discharge, cubic feet per second	1975-10	2025-03
Annual Statistics
Discharge, cubic feet per second	1976	2025
Peak streamflow	1976-09-16	2024-01-09	49
Field measurements	1975-09-25	2025-05-23	387
Field/Lab water-quality samples	1970-07-12	1995-08-18	77
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: 2025-07-01 18:23:58 EDT
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