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* IMPORTANT: Next Generation Station Page

USGS 01589025 PATAPSCO RIVER NEAR CATONSVILLE, MD

PROVISIONAL DATA SUBJECT TO REVISION

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NOTICE (11/02/2020) -- Data collection at this streamgage will be discontinued on 09/30/2021.
Although historic data will remain accessible, no new data will be collected unless one or more new funding partners are found.
Potential funding partners or general questions concerning continuance of operations may contact Chuck Walker (cwwalker@usgs.gov;443-498-5523).


LOCATION.--Lat 39°15'04.5", long 76°45'49.6", Baltimore County, MD, Hydrologic Unit 02060003,
   on left bank at highway bridge on Ilchester Road, 0.9 mi southwest of Catonsville, 2.0 mi 
   southeast of Ellicott City, and 3.1 mi northeast of Columbia.  
DRAINAGE AREA.--301 mi2, from automated delineation using 30-meter National Elevation 
   Dataset, digital elevation model data, dated 2006.
PERIOD OF RECORD.--October 2010 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 66.20 ft above North
   American Vertical Datum of 1988.
REMARKS.--Flow regulated by Liberty Reservoir, approximately 18 mi upstream, beginning July 22, 1954,
   usable capacity, 42,070,000,000 gal; dead storage, 1,260,000,000 gal. Diversions upstream from station 
   for municipal supply of Westminster (sewage effluent discharged into Little Pipe Creek), and from Liberty 
   Reservoir beginning Feb. 26, 1953, for municipal supply of Baltimore, and beginning February 1970 for a 
   small municipal supply for part of Carroll County. Turbidity values that are determined to be a result 
   of debris on the sensor; a function of incident sun angle; or other phenomena that do not appear to be 
   correlated to suspended-sediment concentration are removed by the hydrographer. 
   U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 25,500 ft³/s, July 30, 2016, gage height, 27.14 ft;
   minimum discharge, 29.0 ft³/s, Sept. 17, 2012.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Fish and Wildlife Service, 
   and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
2010-10-01  2021-06-14
2010-10-01  2021-06-14
2010-10-20  2021-06-14







 (7)
 

  -- or --

 


 

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


Discharge, cubic feet per second

Most recent instantaneous value: 352 06-14-2021   11:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 14 based on 10 water years of record more
Min
(2011)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Jun 14
75th
percen-
tile
Max
(2013)
67.1 81 169 293 352 558 625


Gage height, feet

Most recent instantaneous value: 11.67 06-14-2021   11:30 EDT
Graph of  Gage height, feet

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