USGS 01661500 ST MARYS RIVER AT GREAT MILLS, MD

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DESCRIPTION:: Latitude 38°14'30.3", Longitude 76°30'13.2" NAD83; St. Mary'S County, Maryland, Hydrologic Unit 02070011; Drainage area: 24.0 square miles; Datum of gage: 6.86 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1990-10-01	2024-04-24
Daily Data
Discharge, cubic feet per second	1946-06-21	2024-04-23	28066
Daily Statistics
Discharge, cubic feet per second	1946-06-21	2024-02-15	27998
Monthly Statistics
Discharge, cubic feet per second	1946-06	2024-02
Annual Statistics
Discharge, cubic feet per second	1946	2024
Peak streamflow	1947-04-16	2022-07-25	75
Field measurements	1946-06-21	2024-02-16	618
Field/Lab water-quality samples	1964-05-22	1987-08-24	67
Water-Year Summary	2007	2023	17
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://waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Maryland Water Data Support Team
Page Last Modified: 2024-04-24 20:52:40 EDT
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