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ALL DATA ARE AT LOCAL TIME


* IMPORTANT: Next Generation Station Page

USGS 01388100 Ramapo River at Dawes Highway at Pompton NJ

PROVISIONAL DATA SUBJECT TO REVISION

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SURFACE-WATER RECORDS

LOCATION.--Lat 40°59'08", long 74°16'46" referenced to North American Datum of 1983, Pompton Lakes Borough, Passaic County, NJ, Hydrologic Unit 02030103, at downstream right side of bridge on Dawes Highway, 0.5 mi south of Pompton, 0.6 mi downstream of Pompton Lake, and 1.3 mi northeast of Pompton Plains.
DRAINAGE AREA.--160 mi2.
PERIOD OF RECORD.--Miscellaneous discharge measurements, water years 1998, 2001-02, 2005. Annual maximum, August 2008 to current.
REVISED RECORDS.--WDR-US-2010: 2009(M).
GAGE.--Water-stage recorder with telemetry. Datum of gage is 175.3 ft above NGVD of 1929 (from U.S. Army Corps of Engineers benchmark).
REMARKS.--Stage at site affected by operation of flood gates at Pompton Lake Dam, 0.6 mi upstream. Several measurements of water temperature were made during the year. 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 gage height, 13.97 ft, Aug 28, 2011.
EXTREMES OUTSIDE PERIOD OF RECORD.--The flood of April 5-6, 1984 reached a gage height of 12.7 ft, from high-water mark 20 ft downstream of Dawes Highway Bridge. The flood of October 16, 1955 reached a gage height of 10.2 ft, from high-water marks downstream of Dawes Highway Bridge.

Peak Flood Chart

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.
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This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
  
2019-08-12  2019-12-10
2008-07-25  2019-12-10







 (7)
 

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


Gage height, feet

Most recent instantaneous value: 2.34 12-10-2019   15:50 EST
Graph of  Gage height, feet

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