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* IMPORTANT: Next Generation Station Page

USGS 01660920 ZEKIAH SWAMP RUN NEAR NEWTOWN, MD

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 38°29'26.1", long 76°55'37.5", Charles County, MD, Hydrologic Unit 02070011, on downstream left side of bridge on State Highway 6, 1.0 mi southeast of Newtown, and 1.7 mi downstream from Kerrick Swamp.
DRAINAGE AREA.--79.9 mi2.
PERIOD OF RECORD.--June 1983 to September 2005, October 2006 to current year.
REVISIONS HISTORY.--WDR MD-DE-DC-05-1: 2004, WDR-US-2012: 2011.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 34.05 ft above North American Vertical Datum of 1988. June 22, 2017 to September 19, 2019, water-stage recorder at site 60 ft downstream at same gage datum.
REMARKS.--Low flow affected by groundwater diversions from municipal well fields at Waldorf and St. Charles, and occasional farm irrigation upstream from station during summer months. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 16,500 ft3/s, September 8, 2011, gage height, 6.81 ft; minimum discharge, 0.0 ft3/s,
no flow at times during 1983, 1985-89, 1991, 1993, 1995-99, 2002, 2003, 2005, 2008-16, 2019.
COOPERATION.--Funding for the operation of this station is provided by the Maryland Geological Survey, and the U.S. Geological Survey.
Boating safety tips
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
1990-12-13  2020-08-14
2007-10-01  2020-08-14







 (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: 252 08-14-2020   06:15 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 14 based on 36 water years of record more
Min
(1985)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 14
Max
(1996)
0.00 0.82 4.1 45 59 252 415


Gage height, feet

Most recent instantaneous value: 2.54 08-14-2020   06:15 EDT
Graph of  Gage height, feet

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