S F Little Difficult Run Above Mouth NR Vienna, VA - 01645762
Scale
Continuous data
S F Little Difficult Run Above Mouth NR Vienna, VA - 01645762
Subscribe to WaterAlert April 3, 2025 - April 10, 2025
Gage height, feet
Important Data may be provisional
Value
Status
Time
Latest value
0.23 ft
Provisional
Apr 10, 2025
00:00:00 AM EDT
Selected
No data
No data
Compare
Add last year's data to graph
Median
No median data for this data type
Statistics are not available at this monitoring location for the data type: Gage height, ft
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
10 data types available - data from 2007-09-20 to 2025-04-10
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet
2007-10-01 - 2025-04-10
Discharge, cubic feet per second
2007-09-20 - 2025-04-10
Count of samples collected by autosampler, number
2024-12-10 - 2025-04-10
Dissolved oxygen, water, unfiltered, milligrams per liter
2011-06-08 - 2025-04-10
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
2016-10-26 - 2025-04-01
pH, water, unfiltered, field, standard units
2007-10-01 - 2025-04-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
2007-10-01 - 2025-04-10
Temperature, water, degrees Celsius
2007-10-01 - 2025-04-10
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) [YSI 6136]
2007-10-01 - 2017-08-17
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) [YSI EXO]
2017-08-17 - 2025-04-10
Daily data
7 data types available - data from 2007-09-20 to 2025-04-09
Field measurements - Coming soon
0 data types available
Discrete sample data
0 observed properties (data types) available
- Monitoring Location
- Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 2014-06-09 | 2014-06-09 |
| Information | Unit Values, Water-quality | 2008-04-21 | 2025-04-10 |
| Inorganics, Major, Metals | Water-quality | 2011-09-20 | 2023-08-08 |
| Inorganics, Major, Non-metals | Daily Values, Unit Values, Water-quality | 2008-04-24 | 2025-04-10 |
| Inorganics, Minor, Non-metals | Water-quality | 2014-06-09 | 2014-06-09 |
| Inorganics, Minor, metals | Water-quality | 2011-09-20 | 2023-08-08 |
| Microbiological | Water-quality | 2016-07-12 | 2023-07-11 |
| Nutrient | Daily Values, Unit Values, Water-quality | 2008-04-24 | 2025-04-01 |
| Organics, other | Water-quality | 2014-04-08 | 2014-07-02 |
| Organics, pesticide | Water-quality | 2014-04-08 | 2014-07-02 |
| Physical | Daily Values, Unit Values, Water-quality | 2007-09-20 | 2025-04-10 |
| Radiochemistry | Water-quality | 2014-06-09 | 2014-06-09 |
| Sediment | Water-quality | 2008-04-21 | 2023-10-10 |
| Stable Isotopes | Water-quality | 2011-09-20 | 2016-03-07 |
| n/a | Peak Measurements | 2008-09-06 | 2023-12-17 |
| n/a | Site Visits | 2007-09-27 | 2025-04-03 |
| n/a | USGS Annual Water Data Reports Site | 2008-01-01 | 2024-01-01 |
Monitoring location 01645762 is associated with a Stream in Fairfax County, Virginia. Current conditions of Count of samples collected by autosampler, Discharge, Dissolved oxygen, and more are available. Water data back to 2007 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
01645762 | n/a |
|
Site name
|
S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 385431.6 | n/a |
| DMS longitude | 0772018.8 | n/a |
| Decimal latitude | 38.90888916 | n/a |
| Decimal longitude | -77.3382627 | n/a |
|
Latitude-longitude method
|
Interpolated from MAP. | M |
|
Latitude-longitude accuracy
|
Accurate to + or - .1 sec (Differentially-Corrected GPS). | 1 |
|
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
|
Fairfax County | 059 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | VIENNA | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 275.16 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .14 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 | n/a | |
|
Drainage area
|
2.71 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 | n/a |
