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Estimated flood stage for this gage is 14.5 feet.
LOCATION. --Lat 40°08'48", long 74°07'20" referenced to North American Datum of 1983, Wall Township, Monmouth County, NJ, Hydrologic Unit 02040301, on left bank just downstream from pumping station of Manasquan Water Supply System, 1400 ft upstream from Hospital Road, 1.1 mi west of Allenwood, 1.2 mi downstream from Mill Run, 2.2 mi east of Squankum, and 7.9 mi upstream of mouth.
DRAINAGE AREA. --63.3 mi2.
PERIOD OF RECORD. --June 1990 to current year.
GAGE. --Water-stage recorder, water-quality monitor, and concrete control. Datum of gage is NGVD of 1929 (New Jersey Water Supply Authority benchmark). New Jersey Water Supply Authority pumps water from river just upstream of gage, which affects discharge and occasionally turbidity.
COOPERATION. --Funding for this gage is provided by the New Jersey Department of Environmental Protection, New Jersey Water Supply Authority and the U.S. Geological Survey.
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Value Dec 20