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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
01380000 Beaver Brook at outlet of Splitrock Reservoir NJ
LOCATION - Lat 40°57'47", long 74°27'36" referenced to North American Datum of 1983, Rockaway Township, Morris County, NJ, Hydrologic Unit 02030103, on right edge, 200 ft downstream from Split Rock Reservoir, and 4.7 mi northwest of Boonton, NJ.
DRAINAGE AREA - 4.92 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Monthly discharges published in WSP 1302, 1925-46. Miscellaneous measurements, 1976-88. Continuous-record discharge station, October 2016 to December 2016,
GAGE - Water-stage recorder and concrete control. Datum of gage is 788.9 ft above NGVD 1929.
REMARKS - Records fair, except for estimated discharges, which are poor. Flow regulated by Split Rock Reservoir.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge while operated as a continuous-record discharge station, 77.7 ft³/s, gage height 2.30 ft, October 19, 2016.
