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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 2006-08-08 2007-12-10
Inorganics, Major, Metals Water-quality 2006-08-08 2007-12-10
Inorganics, Major, Non-metals Water-quality 2006-08-08 2007-12-10
Inorganics, Minor, metals Water-quality 2006-08-08 2007-12-10
Nutrient Water-quality 2006-08-08 2007-12-10
Physical Water-quality 2006-08-08 2007-12-10
n/a USGS Annual Water Data Reports Site 2006-01-01 2008-01-01
Water Data for the Nation inventory

Monitoring location 01646564 is associated with a Stream in Montgomery County, Maryland. Water data back to 2006 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01646564 n/a
Site name
MILL CREEK AT DALECARLIA RES NEAR CHEVY CHASE, MD n/a
Site type
Stream
ST
DMS latitude 385644.3 n/a
DMS longitude 0770628.4 n/a
Decimal latitude 38.94563889 n/a
Decimal longitude -77.10788889 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
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
Maryland 24
State
Maryland 24
County
Montgomery County 031
Country US n/a
Land net location description n/a
Name of location map WASHINGTON WEST n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 155 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 1 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
Stream channel
C
Flags for instruments at site NNNNNNNNNNNNNNYNNNNNNNNNNNNNNN 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 Y 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 2427CE500 n/a