Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for the Nation

USGS 01661500 ST MARYS RIVER AT GREAT MILLS, MD

St. Mary'S County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°14'30.3", Longitude  76°30'13.2" NAD83
Drainage area 24.0  square miles
Gage datum 6.86 feet above NAVD88

Period of record
Begin Date End Date Peaks
1947-04-16 2023-05-01 76

 
Choose Output Format

Retrieve Published peak streamflow data for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above
?
Retrieve data from: to: (YYYY-MM-DD -- Blank = all data)
?
Graphs of data
?
Table of data
?
Tab-separated data *

 * Save compressed files with a .gz file extension.
?
peakfq (watstore) format *

 * Save compressed files with a .gz file extension.