USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

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	2023-03-30
Daily Data
Discharge, cubic feet per second	1946-06-21	2023-03-29	27675
Daily Statistics
Discharge, cubic feet per second	1946-06-21	2022-10-26	27521
Monthly Statistics
Discharge, cubic feet per second	1946-06	2022-10
Annual Statistics
Discharge, cubic feet per second	1946	2023
Peak streamflow	1947-04-16	2022-07-25	75
Field measurements	1946-06-21	2023-02-07	610
Field/Lab water-quality samples	1964-05-22	1987-08-24	67
Water-Year Summary	2007	2021	15
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