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Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted. For more information, please see www.doi.gov/shutdown.
LOCATION.--Lat 38°29'26.1", long 76°55'37.5", Charles County, Hydrologic Unit 02070011, on left downstream 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. 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, at times during 1983, 1985-89, 1991, 1993, 1995-99, 2002, 2003, 2005, 2008-2016. COOPERATION.--Funding for the operation of this station is provided by the Maryland Geological Survey, and the U.S. Geological Survey.
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