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USGS 01584500 LITTLE GUNPOWDER FALLS AT LAUREL BROOK, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°30'19.3", long 76°25'54.4", Baltimore County, Hydrologic Unit 02060003, 
   on right bank 700 ft upstream from Laurel Brook, 750 ft upstream from bridge on Bottom Road, 5 mi southwest 
   of Bel Air, and 10.5 mi upstream from mouth.
DRAINAGE AREA.--36.1 mi2.
PERIOD OF RECORD.--October 1926 to September 1970, October 1998 to current year. Monthly discharge 
   only for some periods, published in WSP 1302. Annual maximums, water years 1971-86.
REVISED RECORDS--WSP 726: 1927-31, Drainage area. WSP 1502: 1936 (M), 1944-46, 1947-48 (P), 1949 (M), 1950-51.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 260.62 ft above North American 
   Vertical Datum of 1988, from digital elevation model.
REMARKS.--U.S. Geological Survey satellite data-collection platform at station. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 11,800 ft3/s, July 01, 1984,
   gage height, 11.40 ft; minimum discharge, 1.1 ft3/s, Aug. 21, 2002.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore County Department of
   Environmental Protection & Sustainability, and the U.S. Geological Survey. 
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1998-10-01  2017-11-21
00065 Gage height 2007-10-01  2017-11-21

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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: 19.1 11-21-2017   09:15 EST
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Daily discharge, cubic feet per second -- statistics for Nov 21 based on 63 years of record more
Min
(1932)
Most Recent
Instantaneous
Value Nov 21
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(1953)
9.10 19.1 23 30 36 45 868


Gage height, feet

Most recent instantaneous value: 1.17 11-21-2017   09:15 EST
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