USGS 01649500 NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 38°57'36.9", long 76°55'33.5", Prince George's County, MD, Hydrologic Unit 02070010,
   on left bank 100 feet downstream of bridge on Riverdale Road, 1.8 mi downstream from Indian Creek, 
   and 1.8 mi upstream from confluence with Northwest Branch.
DRAINAGE AREA.--72.8 mi2.
PERIOD OF RECORD.--August 1938 to current year.
REVISIONS HISTORY.--WDR MD-DE-75-1: 1972(M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 11.92 ft above North American 
   Vertical Datum of 1988. Prior to June 12, 1942, nonrecording gage; June 12, 1942 to Mar. 22, 1966, 
   and Apr. 12, 1967 to Sept. 3, 1969, water-stage recorder, all at bridge at datum 14.00 ft above National
   Geodetic Vertical Datum of 1929. Mar. 23, 1966 to Apr. 11, 1967, nonrecording gage 600 ft downstream from
   bridge at datum 9.25 ft above National Geodetic Vertical Datum of 1929. Sept. 3, 1969 to Jan. 12, 2012,
   recording gage on right bank at downstream side of bridge at present gage datum.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station. Some regulation at low flow
   by sand and gravel plants upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,000 ft3/s, June 22, 1972, and June 26, 2006. 
   Maximum gage height, 12.93 ft, Oct. 16, 1942; minimum discharge, unknown.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug. 23 or 24, 1933, reached a stage of about 15.5 ft
   at datum 14.00 ft above National Geodetic Vertical Datum of 1929, from floodmarks, discharge; 10,500 ft3/s, 
   from rating curve extended above 3,000 ft3/s on basis of velocity-area study.
COOPERATION.--Funding for the operation of this station is provided by Prince George's County Department
   of Environmental Resources 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
  
2007-10-01  2024-03-28
1990-10-02  2024-03-28
2007-10-01  2024-03-28
2007-10-01  2024-03-28
2007-10-01  2024-03-28
2007-10-01  2024-03-28
2021-03-29  2024-03-28
2018-05-23  2024-03-28
2007-10-01  2018-05-23







 (7)
 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 10.1 03-28-2024   18:35 EDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 196 03-28-2024   18:35 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Mar 28 based on 85 water years of record more
Min
(1981)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Mar 28
Max
(1994)
23.0 45 69 117 146 196 1780


Gage height, feet

Most recent instantaneous value: 1.44 03-28-2024   18:35 EDT
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 268 03-28-2024   18:35 EDT
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 11.1 03-28-2024   18:35 EDT
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.5 03-28-2024   18:35 EDT
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 12.99 03-28-2024   18:35 EDT
Graph of  Stream water level elevation above NAVD 1988, in feet

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Most recent instantaneous value: 18.7 03-28-2024   18:35 EDT
Graph of  Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YS087, Discontinued]
 
-- Data temporarily unavailable for the time period specified --