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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
Information Water-quality 1981-08-21 2000-10-19
Inorganics, Major, Metals Water-quality 1981-08-21 2000-10-19
Inorganics, Major, Non-metals Water-quality 1981-08-21 2000-10-19
Inorganics, Minor, Non-metals Water-quality 1989-04-27 2000-10-19
Inorganics, Minor, metals Water-quality 1981-08-21 2000-10-19
Nutrient Water-quality 1983-06-16 2000-10-19
Organics, other Water-quality 1989-04-27 2000-10-19
Organics, pesticide Water-quality 1989-04-27 2000-10-19
Physical Water-quality 1981-08-21 2000-10-19
Radiochemistry Water-quality 1981-08-21 2000-10-19
Water Data for the Nation inventory

Monitoring location 391846077370501 is associated with a Spring in Frederick County, Maryland. Water data back to 1981 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
391846077370501 n/a
Site name
FR Fb 12 n/a
Site type
Spring
SP
DMS latitude 391846 n/a
DMS longitude 0773705 n/a
Decimal latitude 39.3128793 n/a
Decimal longitude -77.6177676 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Frederick County 021
Country US n/a
Land net location description n/a
Name of location map POINT OF ROCKS,MD-VA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 300.00 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
Valley flat
V
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 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
Data have been checked by the reporting agency. C
Data-other GW files YYYYNNNN n/a
National aquifer n/a
Local aquifer Precambrian Erathem 400PCMB
Local aquifer type
Unconfined single aquifer U
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number 442400200 n/a