Location context and information
LOCATION.-- On right bank at downstream side of bridge on Joyce Road in Rock Creek Park in Washington, DC, and 6.4 miles upstream from mouth. PERIOD OF RECORD.-- April 2007 to September 2012 (gage heights and discharge measurements only). October 2012 to current year. GAGE.-- Water stage recorder and crest-stage gage. Datum of gage is 136.35 ft above North American Vertical Datum of 1988. REMARKS.-- Flow affected by two upstream reservoirs which control flow from about 25 sq miles, Needwood Lake on Rock Creek since Sept. 1966 and Bernard Frank Lake on North Branch Rock Creek since February 1968.
