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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Biological Water-quality 1983-08-24 1983-08-24
Information Water-quality 1983-06-28 1983-08-24
Inorganics, Major, Non-metals Water-quality 1983-06-28 1983-08-24
Nutrient Water-quality 1983-08-24 1983-08-24
Physical Water-quality 1983-06-28 1983-08-24
Sediment Water-quality 1983-08-24 1983-08-24
Water Data for the Nation inventory

Monitoring location 380729076285700 is associated with an Estuary in St. Mary's County, Maryland. Water data back to 1983 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
380729076285700 n/a
Site name
POTOMAC RIVER NEAR ST. GEORGES IS. n/a
Site type
Estuary
ES
DMS latitude 380729 n/a
DMS longitude 0762857 n/a
Decimal latitude 38.1248495 n/a
Decimal longitude -76.4821756 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
St. Mary's County 037
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
Lower Potomac 02070011
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a