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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 2012-10-01 2024-11-21
n/a Peak Measurements 2013-06-10 2023-06-30
n/a Site Visits 2012-09-28 2024-10-31
n/a USGS Annual Water Data Reports Site 2014-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01593450 is associated with a Stream in Howard County, Maryland. Current conditions of Discharge and Gage height are available. Water data back to 2012 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01593450 n/a
Site name
L PAX RIV TRIB ABOVE LAKE ELKHORN NR GUILFORD, MD n/a
Site type
Stream
ST
DMS latitude 391116.4 n/a
DMS longitude 0764950.6 n/a
Decimal latitude 39.18788889 n/a
Decimal longitude -76.8307222 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Howard County 027
Country US n/a
Land net location description n/a
Name of location map SAVAGE, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 298.89 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Patuxent 02060006
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20120814 n/a
Drainage area
2.47 square miles 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 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 00100 n/a

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