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POTOMAC RIVER FLOW AND INFLOW TO CHESAPEAKE BAY DOWN IN JANUARY, USGS REPORTS

POTOMAC RIVER FLOW AND INFLOW TO CHESAPEAKE BAY DOWN IN JANUARY,
 USGS REPORTS
 RESTON, Va., Feb. 4 /PRNewswire/ -- Flow of the Potomac River near Washington was below-normal in January, for the ninth consecutive month, according to hydrologists at the U.S. Geological Survey, Department of the Interior.
 USGS hydrologists said that the river flowed at an average daily rate of about 4.7 billion gallons per day (bgd) during the month, 35 percent below normal, compared to the long-term normal flow of about 7.3 bgd. Daily flows ranged from a high of about 11.6 bgd Jan. 8 to a low of 2.7 bgd Jan. 21.
 The ground-water level at a well near Washington (at Fairland in Montgomery County, Md.) rose during January to 13.9 feet below the land surface, but was still about 1.9 feet below the long-term average. The water level in this well has been below normal since April 1991 (the 10th consecutive month).
 Diversions of Potomac River water for municipal use during January totaled nearly 390 million gallons per day, slightly higher than for January of 1991.
 Freshwater inflow to the Chesapeake Bay was about 37.5 bgd in January, nearly 30 percent below normal. The Susquehanna River contributed 46 percent of the inflow, the Potomac contributed 17 percent and 18 percent was from the James River.
 Contents of the Baltimore reservoir system fell during January to about 58,280 million gallons, about 30 percent less than January 1991.
 As the nation's largest water-science and water-information agency, the USGS monitors the quantity and quality of the nation's surface and ground water resources at more than 50,000 sites around the country.
 -0- 2/4/92
 /CONTACT: Rebecca Phipps of the U.S. Geological Survey, 703-648-4460/ CO: U.S. Geological Survey ST: District of Columbia IN: SU:


TW -- DC036 -- 6821 02/04/92 15:35 EST
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Date:Feb 4, 1992
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