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LOCATION.--Lat 38°57'08.4", long 76°57'57.8", Prince Georges County, MD, Hydrologic Unit 02070010, on right bank at downstream side of bridge on Queens Chapel Road (State Highway 500), 0.8 mi downstream from Sligo Branch, 1.0 mi west of Hyattsville, and 1.6 mi upstream from confluence with Northeast Branch. DRAINAGE AREA.--49.4 mi2. PERIOD OF RECORD.--July 1938 to current year. Monthly discharge only for July 1938 published in WSP 1302. REVISED RECORDS.--WSP 971: 1942(M). GAGE.--Water-stage recorder. Datum of gage is 16.35 ft above North American Vertical Datum of 1988. Prior to Oct. 22, 1938, nonrecording gage; Oct. 22, 1938 to Sept. 17, 1951, water-stage recorder; Sept. 17, 1951 to Aug. 29, 1952, nonrecording gage and crest-stage gage. REMARKS.--Prior to June 1961, low flow regulated by storage at Burnt Mills Dam, 7.0 mi upstream from station. Inflow pumped from Patuxent River to augment water supply for Washington Suburban Sanitary District, August 1939 to August 1960. Small diversion since 1962 for irrigation of golf courses upstream from station. U.S. Geological Survey satellite data-collection platform at station. Water-quality records for some prior periods have been collected at this location. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 18,000 ft3/s, June 22, 1972, gage height, 14.47 ft; minimum discharge, 0.20 ft3/s, Sept. 11, 1966. COOPERATION.--Funding for the operation of this station is provided by Prince George's County and the U.S.Geological Survey.
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Value May 25
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), Center of flow