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.
LOCATION. --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
DRAINAGE AREA. --90.4 mi2.
PERIOD OF RECORD. --February 1928 to current
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.
This station managed by the West Trenton, NJ Water Science Center.