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Estimated flood stage is 5 feet. Reservoir releases from Lake Tappan are included in the flow at this gage.
LOCATION. --Lat 40°59'57", long 73°59'21" referenced to North American Datum of 1983, River Vale Township, Bergen County, NJ, Hydrologic Unit 02030103, on upstream right bank at bridge on Westwood Avenue in Rivervale, 1.5 mi upstream from Pascack Brook, 4.1 mi downstream of Lake Tappan, and 4.6 mi upstream from Oradell Dam.
DRAINAGE AREA. --58.0 mi2.
PERIOD OF RECORD. --October 1941 to current year.
GAGE. --Water-stage recorder, crest-stage gages, and concrete control. Datum of gage is 22.51 ft above NGVD of 1929.
COOPERATION. --Funding for this gage is provided by the New Jersey Department of Environmental Protection in cooperation with United Water New Jersey and the U.S. Geological Survey.
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Value Dec 19