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The MD-DE-DC Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news



USGS 01483200 BLACKBIRD CREEK AT BLACKBIRD, DE

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 39°21'58.6", long 75°40'09.8", New Castle County, Hydrologic Unit 02040205, 
   on left bank 15 ft downstream from highway culverts, 0.5 mi upstream from Barlow Branch, 0.6 mi southwest 
   of Blackbird, 5.6 mi northwest of Smyrna, and 13.8 mi upstream from mouth. 
DRAINAGE AREA.--4.06 mi2.
PERIOD OF RECORD.--Annual maximum, water years 1952-56, and occasional low-flow measurements, 
   water years 1952-53, 1955-56. October 1956 to current year.
REVISED RECORDS.--WDR-MD-DE-89-1: 1987-1988(P).
GAGE.--Water-stage recorder. Concrete control since May 23, 1968. Datum of gage is 17.11 ft above 
   North American Vertical Datum of 1988. Mar. 5, 1951, to Oct. 16, 1956, nonrecording gage and crest-stage 
   gage at site 15 ft upstream at gage datum 1.0 ft higher. Oct. 17, 1956, to June 16, 1986, recording gage at same  
   site on right bank at gage datum 1.0 ft higher.
REMARKS.--Occasional regulation at low and medium flow by Blackbird Lake Dam upstream from station. 
   U.S. Geological Survey satellite data-collection platform at station. 
COOPERATION.--Funding for this station is provided by the Delaware Geological Survey, and the U.S. Geological Survey
Boating safety tips
May 18, 2017 Notice: Beginning around August 1, 2017, data transmittal for this site will be halted to allow for scheduled work in the channel and at the bridge. Full data collection and telemetry will be restored following the completion of the bridge project.
This station managed by the MD-DE-DC Water Science Center Dover office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1989-06-15  2017-07-28
00065 Gage height 2007-10-01  2017-07-28

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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: 2.08 07-28-2017   13:15 EST
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Daily discharge, cubic feet per second -- statistics for Jul 28 based on 60 years of record more
Min
(1966)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jul 28
75th
percen-
tile
Mean Max
(1969)
0.00 0.52 0.95 2.08 2.3 4.0 93.0


Gage height, feet

Most recent instantaneous value: 1.05 07-28-2017   13:15 EST
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