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USGS 01382500 Pequannock River at Macopin Intake Dam NJ

PROVISIONAL DATA SUBJECT TO REVISION

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SURFACE-WATER RECORDS

Gage Photo LOCATION.--Lat 41°01'06", long 74°24'04" referenced to North American Datum of 1983, West Milford Township, Passaic County, NJ, Hydrologic Unit 02030103, on left bank 15 ft downstream from culvert at crossover between northbound and southbound lanes on State Route 23, 1,000 ft downstream from abandoned Macopin Intake Dam, 0.6 mi downstream from Macopin River, and 2.8 mi northwest of Butler.
DRAINAGE AREA.--63.7 mi2.
PERIOD OF RECORD.--January 1898 to March 1990, September 1992 to current year. Monthly discharge only for some periods, published in WSP 1302. Records for January 1892 to December 1897, published in WSP 541, have been found to be unreliable therefore should not be used.
REVISED RECORDS.--WDR-US-2011: 2001 (P)
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 549.17 ft above NGVD of 1929. Prior to May 22, 1970, at site just upstream from Macopin Intake Dam, at datum 34.38 ft higher (revised). May 22, 1970 to March 5, 1990, at site just upstream from Macopin Intake Dam, at datum 20.83 ft higher.
COOPERATION.--Prior to May 22, 1970, discharge figures provided by city of Newark.
REMARKS.--Records fair, except for discharges above 1,000 ft3/s and estimated discharges, which are poor. Flow regulated by Canistear, Oak Ridge, Clinton, and Charlotteburg Reservoirs, and Echo Lake. Water diverted at Charlotteburg Reservoir for municipal supply of city of Newark.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,100 ft3/s, Oct 10, 1903, gage height, 17.40 ft, site and datum then is use; minimum discharge, not determined.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--
Discrete Data: Water years 1924, 1962-69, 1973-79, 1991 to current year.
Continuous Data:
Dissolved Oxygen: July 2001.
Dissolved Oxygen, Percent of Saturation: July 2001.
Specific Conductance: July 2001.
Water Temperature: July 2001, July 2009 to October 2014.
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.--
Dissolved Oxygen: .
Dissolved Oxygen, Percent of Saturation: .
Specific Conductance: .
Water Temperature: .

Web Camera
To view an interactive hydrograph and time lapse, click on above webcam image above.
To view other USGS webcams, click here.
Peak Flood Chart

National Weather Service flood stage for this gage is 5.5 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.



This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
  
2009-07-29  2014-11-01
1981-10-02  2022-06-30
2007-10-01  2022-06-30







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 7.37 06-30-2022   04:40 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 30 based on 94 water years of record more
Min
(1923)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Jun 30		 75th
percen-
tile		 Mean Max
(2006)
0.00 0 1.8 7.37 11 31 451

Gage height, feet
Most recent instantaneous value: 2.10 06-30-2022   04:40 EDT
Graph of Gage height, feet

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