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ALL DATA ARE AT LOCAL TIME


USGS 01389765 Molly Ann Brook at North Haledon 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°57'11", long 74°11'05" referenced to North American Datum of 1983, North Haledon Borough, Passaic County, NJ, Hydrologic Unit 02030103, on left upstream wingwall of culvert on Overlook Avenue in North Haledon, 0.5 mi upstream from Oldham Pond Dam, and 1.5 mi west of Hawthorne.
DRAINAGE AREA.--3.89 mi2.
PERIOD OF RECORD.--Annual maximum, water years 1979 to 2008. Continuous-record gage-height station with annual maximum discharge, water years 2009 to current year. Miscellaneous and occasional low-flow measurements, water years 1979-85, 1988 to 2006.
REVISED RECORDS.--WDR-US-2007: 1979-84(M). 1986-89(M). WDR-US-2011: 1979-80(M), 1983-86(M), 1990(M), 1992(M), 1994-96(M), 1999-2000(M), 2004-06(M), 2008(M).
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 209.68 ft above NGVD of 1929.
REMARKS.--Peak discharges above 240 ft3/s from rating curve extension on basis of contracted opening computation of peak flow. Annual peak data can be obtained by selecting Peak streamflow from the 'Available data for this site' drop-down menu above or by using this link.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,300 ft3/s, from rating curve extended above 240 ft3/s on basis of contracted opening computation of peak flow, May 16, 1990, gage height, 10.93 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, 3,100 ft3/s, computed by State Water Policy Commission at Squaw Lake Dam, 0.2 mi upstream of gage, Jul 23, 1945, gage height, not determined.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 6.2 ft.

The water temperature data for this station are temporary and will only be displayed for 120 days. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00010 Temperature, water 2016-08-06  2016-12-04
00065 Gage height 2010-04-13  2016-12-04

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


Gage height, feet

Most recent instantaneous value: 3.11   12-04-2016   23:00 EST
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