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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 39°25'38.1", long 77°33'22.2", Frederick County, MD, Hydrologic Unit 02070008, on right bank 300 ft downstream from bridge on State Highway 17, 1.3 mi south of Middletown, 2.2 mi downstream from Little Catoctin Creek, and 14.8 mi upstream from mouth. DRAINAGE AREA.--66.9 mi2. PERIOD OF RECORD.--August 1947 to current year. REVISIONS HISTORY.--WSP 1432: 1947-48. WDR MD-DE-77-1: 1960(M), 1965(M), 1970(M), 1972(P), 1975(P). GAGE.--Water-stage recorder, crest-stage gage and concrete control. Datum of gage is 376.25 ft above North American Vertical Datum of 1988. REMARKS.--U.S. Geological Survey satellite data-collection platform at station. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,000 ft3/s, Oct. 9, 1976, gage height, 14.13 ft; minimum discharge, 0.0 ft3/s, no flow, Aug. 27 to Sep. 12, 1966. COOPERATION.--Funding for the operation of this station is provided by the Maryland State Highway Administration, and the U.S. Geological Survey.
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Value Jan 17