SURFACE-WATER RECORDS
LOCATION.--Lat 40°28'05", long 74°38'56" referenced to North American Datum of 1983, Hillsborough Township, Somerset County, NJ, Hydrologic Unit 02030105, on right bank 20 ft upstream from bridge on Township Line Road, 0.7 mi east of Belle Mead, 0.8 mi upstream from Cruser Brook, and 1.0 mi downstream from bridge on U.S. Route 206.
DRAINAGE AREA.--5.36 mi².
PERIOD OF RECORD.--July 1980 to current year.
REVISED RECORDS.--WDR NJ-01-1: 1994(M), 1996(M), 1997(P), 1999(P).
GAGE.--Water-stage and precipitation recorder with telemetry and crest-stage gage. Datum of gage is 58.85 ft above NGVD of 1929.
REMARKS.--Records fair, except for estimated discharges and discharges below 0.5 ft³/s, which are poor. Some regulation during summer months, possibly from irrigation.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,120 ft³/s, Sep 16, 1999, gage height, 13.61 ft, from high-water mark in gage house, from rating curve extended above 970 ft³/s on basis of step-backwater computation of peak flow; minimum discharge, 0.00 ft³/s, many days.

Peak Flood Chart

Rain gage data is available from this location at this link.