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°09'41", long 74°09'17"
referenced to North American Datum of 1983, Howell Township, Monmouth
County, NJ, Hydrologic Unit 02040301, on right bank 50 ft upstream from
northbound bridge on County Highway 547 (Lakewood Farmingdale Road) in
Squankum, and 0.4 mi downstream from Marsh Bog Brook.
PERIOD OF RECORD.--
Continuous-record discharge station, July
1931 to current year. Monthly discharge only for July 1931, published
in WSP 1302.
WDR NJ-83-1: Drainage area. WDR US-2011:
Water-stage recorder with telemetry and concrete control.
Datum of gage is 18.82 ft above NGVD of 1929. Prior to Aug 13, 1940,
water-stage recorder at site 80 ft upstream at same datum.
Records fair, except for estimated discharges, which
are poor. Since 1990, 3.18 mi2
controlled by Manasquan
Reservoir located on Timber Swamp Brook.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 9,100
/s, Aug 28, 2011, gage height, 13.06 ft; minimum
discharge, 8.1 ft3
/s, Aug 6, 1981.
PERIOD OF RECORD.--
- CONTINUOUS DATA:
- DISSOLVED OXYGEN: August 1969 to September 1974.
- pH: July 1969 to September 1974.
- SPECIFIC CONDUCTANCE: July 1969 to September 1974. December 2015
to current year.
- TURBIDITY: December 2015 to current year.
- WATER TEMPERATURE: July 1969 to September 1974. December 2015 to
Discrete water-quality data were collected as part of
New Jersey Ambient Surface-Water-Quality Monitoring Network
The accuracy of continuous water-quality data can be found here
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Maximum, 24.9°C, on Jul 31 and Aug 21, 2015;
minimum, -0.1°C, on Feb 16, 18, 20, and 21, 2015.
TURBIDITY: Maximum, 560 FNU, on Aug 21, 2015; minimum, 3.8 FNU, on Oct
National Weather Service flood stage for
this gage is 8.5 ft.