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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1959-10-01 1999-08-18
Inorganics, Major, Metals Water-quality 1993-10-14 1999-08-18
Inorganics, Major, Non-metals Water-quality 1993-10-14 1999-08-18
Inorganics, Minor, Non-metals Water-quality 1999-08-18 1999-08-18
Inorganics, Minor, metals Water-quality 1993-10-14 1999-08-18
Microbiological Water-quality 1979-10-03 1980-05-21
Nutrient Water-quality 1984-01-09 1999-08-18
Organics, PCBs Water-quality 1999-08-18 1999-08-18
Organics, other Water-quality 1999-08-18 1999-08-18
Organics, pesticide Water-quality 1994-08-24 1999-08-18
Physical Daily Values, Unit Values, Water-quality 1929-10-01 2024-11-21
Population/Community Water-quality 1979-10-03 1980-05-21
Radiochemistry Water-quality 1999-08-18 1999-08-18
Sediment Water-quality 1959-10-01 1994-08-24
n/a Peak Measurements 1930-04-07 2022-07-03
n/a Site Visits 1929-11-15 2024-11-18
n/a USGS Annual Water Data Reports Site 2006-01-01 2022-01-01
Water Data for the Nation inventory

Monitoring location 01648000 is associated with a Stream in District of Columbia, District of Columbia. Current conditions of Discharge and Gage height are available. Water data back to 1929 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01648000 n/a
Site name
ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC n/a
Site type
Stream
ST
DMS latitude 385821.0 n/a
DMS longitude 0770224.0 n/a
Decimal latitude 38.9725 n/a
Decimal longitude -77.04 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
District of Columbia 11
County
District of Columbia 001
Country US 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 148.14 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy .1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Potomac-Anacostia-Occoquan 02070010
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YYNNYNYNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
62.2 square miles 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 NNNNNNNN 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 442400100 n/a

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