USGS Water-Year Summary 2020
01407498 SWIMMING RIVER RESERVOIR NEAR RED BANK, NJ
LOCATION - Lat 40°19'09", long 74°06'54" referenced to North American Datum of 1983, Colts Neck Township, Monmouth County, NJ, Hydrologic Unit 02030104, at dam on Swimming River, 3.3 mi southwest of Red Bank, and 4.8 mi upstream from mouth.
DRAINAGE AREA - 49.2 mi².
- WDR NJ-00-1: 1999 (elevation, contents).
PERIOD OF RECORD - Continuous-record reservoir station, August 1922 to current year. Unpublished reservoir station records, August 1922 to September 1999, available from the USGS New Jersey Water Science Center. Records from October 1999 to September 2005 published as 01407500.
GAGE - Water-stage recorder with telemetry above concrete dam. Datum of gage is National Geodetic Vertical Datum of 1929. Prior to Jan 19, 1962, at site 800 ft upstream at datum 17.67 ft lower. Jan 19 to Mar 30, 1962, non-recording gage, 700 ft upstream at datum 13.87 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 3,240,000,000 gal, Aug 28, 2011, elevation 37.92 ft. Minimum contents and elevation undetermined.