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ALL DATA ARE AT LOCAL TIME


USGS 01408000 Manasquan River at Squankum NJ

PROVISIONAL DATA SUBJECT TO REVISION

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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 analysis.

 


SURFACE-WATER RECORDS

LOCATION.--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.
DRAINAGE AREA.--44.0 mi2.
PERIOD OF RECORD.--July 1931 to current year. Monthly discharge only for July 1931, published in WSP 1302.
REVISED RECORDS.--WDR NJ-83-1: Drainage area. WDR US-2011: 2010(M).
GAGE.--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.
REMARKS.--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 ft3/s, Aug 28, 2011, gage height, 13.06 ft; minimum discharge, 8.1 ft3/s, Aug 6, 1981.

WATER-QUALITY RECORDS

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 current year.

REMARKS.--Discrete water-quality data were collected as part of the 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 22, 2015.


Peak Flood Chart

Gage Photo

This station managed by the New Jersey Water Science Center.

Available Parameters Period of Record
All 5 Available Parameters for this site
  
00010 Temperature, water(Max.,Min.,Mean) 1969-07-02  1974-09-30
00060 Discharge(Mean) 1931-10-01  2016-12-09
00095 Specific cond at 25C(Max.,Min.,Mean) 1969-07-02  1974-09-30
00300 Dissolved oxygen(Max.,Min.,Mean) 1969-08-05  1974-09-30
00400 pH(Max.,Min.) 1969-07-02  1974-09-30

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