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Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Biological Water-quality 1993-07-27 1994-06-24
Information Water-quality 1993-04-22 1994-09-14
Inorganics, Major, Metals Water-quality 1968-03-25 1994-09-14
Inorganics, Major, Non-metals Water-quality 1968-03-25 1994-09-14
Inorganics, Minor, metals Water-quality 1968-03-25 1994-09-14
Nutrient Water-quality 1968-03-25 1994-09-14
Organics, other Water-quality 1993-04-22 1994-09-14
Organics, pesticide Water-quality 1994-06-08 1994-07-07
Physical Daily Values, Unit Values, Water-quality 1968-03-25 2024-12-22
Sediment Water-quality 1993-04-22 1994-02-15
n/a Peak Measurements 1971-09-12 2022-12-23
n/a Site Visits 1943-09-15 2024-10-31
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01638480 is associated with a Stream in Loudoun County, Virginia. Current conditions of Discharge and Gage height are available. Water data back to 1943 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01638480 n/a
Site name
CATOCTIN CREEK AT TAYLORSTOWN, VA n/a
Site type
Stream
ST
DMS latitude 391518 n/a
DMS longitude 0773436 n/a
Decimal latitude 39.25510206 n/a
Decimal longitude -77.5763778 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Virginia 51
State
Virginia 51
County
Loudoun County 107
Country US n/a
Land net location description n/a
Name of location map PT OF ROCKS n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 246.8 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .10 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19901213 n/a
Drainage area
89.5 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 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

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logo for Virginia Department of Environmental Quality
Virginia Department of Environmental Quality