USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 39°06'23",   Longitude 77°31'42"   NAD27
Loudoun County, Virginia   , Hydrologic Unit 02070008

Well depth: 535 feet
Hole depth: 535 feet
Land surface altitude: 383.54 feet above NAVD88.
Well completed in "Early Mesozoic basin aquifers" (N300ERLMZC) national aquifer.
Well completed in "Balls Bluff Formation" (231BLBF) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2025-07-14
Daily Data
Depth to water level, feet below land surface	2007-09-30	2025-07-13	12712
Field groundwater-level measurements	1977-10-13	2025-05-12	389
Water-Year Summary	2006	2024	19
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

OPERATION:

Record for this site is maintained by the USGS Virginia Water Science Center

Email questions about this site to Virginia Water Science Center Water-Data Inquiries