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During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.

USGS 01386990 Wanaque Reservoir at Wanaque NJ


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Reservoir contents figures represent total storage, of which 1,780 million gallons are dead storage. Total contents at spillway level (302.4 feet) is 29,630 million gallons. Occasionally the reservoir levels appear to be several tenths of a foot too low due to possible drawdown caused by use of water supply intakes at certain levels.

gage photoLOCATION. --Lat 41°02'42", long 74°17'43" referenced to North American Datum of 1983, Wanaque Borough, Passaic County, NJ, Hydrologic Unit 02030103, at Raymond Dam on Wanaque River at Wanaque, 1,700 ft upstream of bridge on County Route 511, (Ringwood Avenue), and 3.3 mi north of Riverdale.
DRAINAGE AREA. --90.4 mi2.
PERIOD OF RECORD. --February 1928 to current year.
GAGE. --Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929 (levels by North Jersey District Water Supply Commission).
EXTREMES FOR PERIOD OF RECORD. --Maximum contents, 31,280,000,000 gal, Apr. 5, 1984, elevation, 304.52 ft; minimum, 5,110,000,000 gal, Dec. 26, 1964, elevation, 256.06 ft.
COOPERATION. --Funding for this gage is provided by the U.S. Army Corps of Engineers, New York District for the Passaic Flood Warning System.

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This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 1 Available Parameters for this site
62614 Elevation, lake/res, 2007-10-01  2016-09-26

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Lake or reservoir water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 276.00   09-26-2016   04:00 EDT
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