During winter months, cold and ice may
result in inaccurate real-time gage height and streamflow data.
Adjustments or deletions of this data can only be done after detailed
Funding for this site is provided by:
Lat 40°36'44", long 74°35'27"
referenced to North American Datum of 1983, Bridgewater Township,
Somerset County, NJ, Hydrologic Unit 02030105, on left bank 150 ft
upstream from bridge on Crim Road, 1.4 mi northwest of Martinsville,
and 1.8 mi upstream from confluence with East Branch Middle
PERIOD OF RECORD.--
June 1979 to current year.
WDR NJ-91-1: 1990. WDR NJ-96-1: 1980-94 (P),
WDR NJ-99-1: 1990 (M), 1997 (M).
Water-stage and precipitation recorder with telemetry.
Datum of gage is 240.48 ft above NGVD of 1929 (levels by Somerset
Records fair, except for estimated discharges and
discharges below 1 ft3
/s, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 1,510
/s, Aug 28, 2011, gage height 9.35 ft; minimum discharge,
/s, Sep 19, 1980.
National Weather Service flood stage for
this gage is 6 ft.
Rain gage data is available from this location at this