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Water-Year
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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01380100 BEAVER BROOK AT ROCKAWAY, NJ
LOCATION - Lat 40°54'08", long 74°30'05" referenced to North American Datum of 1983, Rockaway Borough, Morris County, NJ, Hydrologic Unit 02030103, at bridge on Gill Avenue in Rockaway, 0.2 mi above mouth, and 1.5 mi northwest of Denville.
DRAINAGE AREA - 22.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Miscellaneous measurements, water years 1963-64, 1985-86, and 1998 to current year. Continuous-record discharge station, October 2016 to December 2016.
GAGE - Water-stage recorder.
REMARKS - Flow regulated by Splitrock Reservoir.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 200 ft³/s, gage height 3.07 ft, Dec 1, 2016.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1998 to current year.
REMARKS - Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.
