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 38°21'50.9",   Longitude 76°57'37.0"   NAD83
Charles County, Maryland   , Hydrologic Unit 020700110305

Well depth: 1132.0 feet
Hole depth: 1132.0 feet
Land surface altitude: 22.83 feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Lower Patapsco Aquifer In the Patapsco Formation" (217PPSCL) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-10-01	2025-08-28
Daily Data
Depth to water level, feet below land surface	2019-01-31	2025-08-27	6859
Daily Statistics
Depth to water level, feet below land surface	2019-02-01	2025-03-04	2108
Monthly Statistics
Depth to water level, feet below land surface	2019-02	2025-03
Annual Statistics
Depth to water level, feet below land surface	2019	2025
Field groundwater-level measurements	1974-10-10	2024-06-27	387
Water-Year Summary	2006	2024	14
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

OPERATION:

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

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