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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 2023-12-01 2023-12-01
Information Water-quality 2023-08-10 2023-12-01
Inorganics, Major, Metals Water-quality 2023-08-10 2023-08-10
Inorganics, Major, Non-metals Water-quality 2023-08-10 2023-12-01
Inorganics, Minor, Non-metals Water-quality 2023-08-10 2023-08-10
Inorganics, Minor, metals Water-quality 2023-08-10 2023-08-10
Nutrient Water-quality 2023-08-10 2023-08-10
Organics, other Water-quality 2023-08-10 2023-12-01
Physical Water-quality 2023-08-10 2023-12-01
Water Data for the Nation inventory

Monitoring location 380546077493101 is associated with a Lake, Reservoir, Impoundment in Louisa County, Virginia. Water data back to 2023 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
380546077493101 n/a
Site name
LAKE ANNA SYNOPTIC SAMPLE LOCATION 30 n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 380546.00 n/a
DMS longitude 0774931.00 n/a
Decimal latitude 38.0961111 n/a
Decimal longitude -77.8252778 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
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
Virginia 51
State
Virginia 51
County
Louisa County 109
Country US n/a
Land net location description n/a
Name of location map LAKE ANNA WEST, VA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 249 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Pamunkey 02080106
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site 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 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