SURFACE-WATER RECORDS
LOCATION.--Lat 40°05'30", long 74°09'09" referenced to North American Datum of 1983, Lakewood Township, Ocean County, NJ, Hydrologic Unit 02040301, on upstream right bank at bridge on County Route 549 (Lanes Mill Road) at Lanes Mills, 1.0 mi upstream from confluence with South Branch Metedeconk River, and 2.3 mi east of Lakewood.
DRAINAGE AREA.--34.9 mi².
PERIOD OF RECORD.--Continuous-record discharge station, October 1972 to current year.
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 3.89 ft above NGVD of 1929. Prior to Nov 17, 1977, gage located on upstream left side of bridge. Nov 17, 1977 to Dec 19, 1984, gage located on the downstream side of bridge.
REMARKS.--Records good, except for estimated discharges, which are fair. Discharges above 850 ft³/s from rating curve extension on basis of contracted-opening measurement of peak flow.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,500 ft³/s, Aug 28, 2011, gage height, 11.40 ft, from rating curve extended above 850 ft³/s on basis of contracted-opening computation of peak flow; minimum discharge, 6.4 ft³/s, Aug 19, 2002.

Peak Flood Chart

National Weather Service flood stage for this gage is 8 ft.

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