Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 01648011 Luzon Branch above Rock Creek at Washington DC

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Click for larger image LOCATION.--Lat 38°57'42.1", long 77°02'29.0", referenced to North American Datum of 1983, Washington DC, Hydrologic Unit 02070010, on left bank 0.11 miles above mouth.
DRAINAGE AREA.--1.03 mi2.
PERIOD OF RECORD.--July 2022 to current year. Prior to July 2022, samples collected at site 400 ft downstream.
GAGE.--Water-stage recorder and water-quality meter. Datum of gage is 141.22 ft above North American Vertical Datum of 1988.
REMARKS.--U.S. Geological Survey water-data telemeter at station.
COOPERATION.--Funding for the operation of this station is provided by the D.C. Department of Energy and Environment and the U.S. Geological Survey.
Boating safety tips
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
2022-07-19  2025-11-14
2022-08-11  2025-11-17
2022-08-11  2026-02-27
2025-10-30  2026-02-27







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second, [Discontinued]
Most recent instantaneous value: Dis 11-17-2025   12:25 EST
Graph of Discharge, cubic feet per second, [Discontinued]

Add up to 2 more sites and replot for "Discharge, cubic feet per second, [Discontinued]"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Feb 27 based on 3 water years of record more
Most Recent
Instantaneous
Value Feb 27		 Min
(2025)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2023)
-- unavailable -- 0.70 0.7 0.78 0.86 1.1 1.11

Gage height, feet
Most recent instantaneous value: 4.13 02-27-2026   14:10 EST
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 144.65 02-27-2026   14:10 EST
Graph of Stream water level elevation above NAVD 1988, in feet

Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |