| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Physical | Daily Values, Groundwater Levels, Unit Values | 1977-10-13 | 2024-10-06 |
| n/a | USGS Active Groundwater Level Network Site | 1977-01-01 | 2021-01-01 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2022-01-01 |
Monitoring location 390623077314201 is associated with a Well in Loudoun County, Virginia. Current conditions of Depth to water level are available. Water data back to 1977 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
390623077314201 | n/a |
|
Site name
|
50W 4C | n/a |
|
Site type
|
Well
|
GW |
| DMS latitude | 390623 | n/a |
| DMS longitude | 0773142 | n/a |
| Decimal latitude | 39.10649516 | n/a |
| Decimal longitude | -77.5280454 | 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
|
Virginia | 51 |
|
State
|
Virginia | 51 |
|
County
|
Loudoun County | 107 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | LEESBURG | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 383.54 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .12 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
|
Hilltop
|
H |
| Flags for instruments at site | NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | 19901213 | 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
|
Data have been checked by the reporting agency. | C |
| Data-other GW files | YNYNNYYN | n/a |
| National aquifer | Early Mesozoic basin aquifers | N300ERLMZC |
| Local aquifer | Balls Bluff Siltstone | 231BLBF |
|
Local aquifer type
|
Unconfined single aquifer | U |
| Well depth | 535 feet | n/a |
|
Hole depth
|
535 feet | n/a |
| Source of depth data | n/a | |
| Project number | OBS-M3S | n/a |
