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USGS 01582500 GUNPOWDER FALLS AT GLENCOE, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°32'58.9", long 76°38'10.0", Baltimore County, MD, Hydrologic Unit 02060003, on right,
   downstream wingwall of bridge on Glencoe Road at intersection of Upper Glencoe Road and Lower Glencoe 
   Road in Glencoe, and 0.7 mi upstream from Piney Creek.
DRAINAGE AREA.--160 mi2.
PERIOD OF RECORD.--October 1977 to June 1980, December 1982 to current year.
REVISIONS HISTORY.--WDR MD-DE-89-1: 1985(M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 244.13 ft above North American 
   Vertical Datum of 1988.
REMARKS.--Flow regulated by Prettyboy Reservoir, 12 mi upstream, beginning April 10, 1933, for water
   supply of Baltimore City (usable capacity, 20,000,000,000 gal; dead storage, 1,080,000,000 gal).
   U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 13,000 ft3/s, Sept. 8, 2011, gage height, 16.50 ft;
   minimum discharge, 30 ft3/s, Sept. 3, 1999.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore City Department of
   Public Works, and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
1977-10-01  2019-12-12
2007-10-01  2019-12-12
2015-09-03  2019-12-12







 (7)
 

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


Discharge, cubic feet per second

Most recent instantaneous value: 196 12-12-2019   10:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 12 based on 40 water years of record more
Min
(1983)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Dec 12
Mean 75th
percen-
tile
Max
(2009)
55.0 101 162 196 222 229 1190


Gage height, feet

Most recent instantaneous value: 1.70 12-12-2019   10:15 EST
Graph of  Gage height, 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: 2.2 12-12-2019   10:15 EST
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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