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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.

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 1952-04-09 1952-04-09
Water Data for the Nation inventory

Monitoring location 390430077202801 is associated with a Well in Montgomery County, Maryland. Water data back to 1952 are available online.

Metadata Element Location Metadata Metadata Code
Agency
USGS
Site identification number
n/a
Site name
n/a
Site type
GW
DMS latitude n/a
DMS longitude n/a
Decimal latitude n/a
Decimal longitude n/a
Latitude-longitude method
M
Latitude-longitude accuracy
S
Latitude-longitude datum
NAD27
Decimal Latitude-longitude datum NAD83
District
24
State
24
County
031
Country n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface n/a
Method altitude determined M
Altitude accuracy n/a
Altitude datum
NGVD29
Subbasin hydrologic unit
02070008
Drainage basin
n/a
Topographic setting
V
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 n/a
Site honors Daylight Saving Time
n/a
Data reliability
C
Data-other GW files n/a
National aquifer N400PDMBRC
Local aquifer 231NOXF
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a