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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 1960-04-03 1983-08-10
Physical Daily Values, Unit Values, Water-quality 1923-10-01 2024-11-21
Sediment Daily Values, Water-quality 1960-04-03 1975-09-29
n/a Peak Measurements 1924-09-29 2022-12-23
n/a Site Visits 1924-02-27 2024-06-24
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01650500 is associated with a Stream in Montgomery County, Maryland. Current conditions of Discharge and Gage height are available. Water data back to 1923 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01650500 n/a
Site name
NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD n/a
Site type
Stream
ST
DMS latitude 390355.9 n/a
DMS longitude 0770145.7 n/a
Decimal latitude 39.06552778 n/a
Decimal longitude -77.0293611 n/a
Latitude-longitude method
GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System Y
Latitude-longitude accuracy
Level 3 survey-grade GPS D
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 KENSINGTON, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 264.05 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 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 YNNNYNYNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
21.0 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 n/a

Operated in cooperation with:

logo for Maryland Department of Transportation (MDOT)
Maryland Department of Transportation (MDOT)
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds