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


Page Loading - Please Wait...

Click to hideNews Bulletins
Click to hide state-specific text


USGS 01589000 PATAPSCO RIVER AT HOLLOFIELD, MD

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
LOCATION.--Lat 39°18'37.1", long 76°47'32.7", Baltimore County, Hydrologic Unit 02060003, on left
   bank at upstream side of highway bridge at Hollofield, 0.3 mi downstream from Dogwood Run, 3.0 mi north of
   Ellicott City, and 28 mi upstream from mouth.
DRAINAGE AREA.--285 mi2.
PERIOD OF RECORD.--May 1944 to January 1992, March 1994 to September 1995, January 2000 to September 2004, 
   April 2010 to current year.
REVISED RECORDS.--https://waterdata.usgs.gov/nwis/peak?site_no=01589000: 2013 (P).
REVISED RECORDS WATER QUALITY.--https://waterdata.usgs.gov/nwis/dv/?site_no=01589000: 2014.
GAGE.--Water stage recorder and crest-stage gage. Datum of gage is 186.9 ft above North American Vertical Datum of 1988, 
   from digital elevation model. Prior to May 1, 2010, at site on downstream side of bridge at same gage datum. 
   Prior to June 22, 1972, water-stage recorder at site on opposite bank at same gage datum.   
REMARKS.--Flow regulated by Liberty Reservoir, 11 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. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 80,600 ft3/s, June 22, 1972,
   gage height, 31.30 ft; minimum discharge, 5.7 ft3/s,  Aug. 22, 23, 2002.
COOPERATION.--Funding for the operation of this station is provided by American Rivers, the National Oceanic 
   and Atmospheric Administration, and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00060 Discharge 2010-04-10  2017-06-25
00065 Gage height 2010-04-10  2017-06-25
63680 Turbidity, Form Neph 2010-10-30  2015-10-01

Graph
Graph w/ stats
Graph w/o stats
Graph w/ (up to 3) parms
Table
Tab-separated
Days  (7)
 

  -- or --
Begin date
 

End date
 

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


Discharge, cubic feet per second

Most recent instantaneous value: 62 06-25-2017   21:15 EST
Graph of  Discharge, cubic feet per second

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

?
 Add site numbers


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


Daily discharge, cubic feet per second -- statistics for Jun 25 based on 62 years of record more
Min
(2002)
25th
percen-
tile
Most Recent
Instantaneous
Value Jun 25
Median Mean 75th
percen-
tile
Max
(1972)
26 59 62 96 186 210 2800


Gage height, feet

Most recent instantaneous value: 1.51 06-25-2017   21:15 EST
Graph of  Gage height, feet

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

?
 Add site numbers


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