USGS Water-Year Summary 2021
01402630 ROYCE BROOK AT HAMILTON, NJ
LOCATION - Lat 40°30'22", long 74°37'23" referenced to North American Datum of 1983, Hillsborough Township, Somerset County, NJ, Hydrologic Unit 02030105, on downstream right bank at bridge on Hamilton Road, 3.2 miles southwest of Manville, and 3.8 miles upstream from mouth.
DRAINAGE AREA - 8.34 mi².
PERIOD OF RECORD - Continuous-record discharge station October 2012 to current year.
GAGE - Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 43.18 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 960 ft³/s, Apr 30, 2014, gage height, 8.48 ft; minimum discharge, 0.40 ft³/s, Sep 13, 2014, estimated.