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USGS 01390500 Saddle River at Ridgewood NJ


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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.


LOCATION.--Lat 40°59'06", long 74°05'26" referenced to North American Datum of 1983, Ridgewood Village, Bergen County, NJ, Hydrologic Unit 02030103, on left bank 15 ft upstream from bridge on State Route 17 in Ridgewood and 2.8 mi upstream from Hohokus Brook.
DRAINAGE AREA.--21.6 mi2.
PERIOD OF RECORD.--Continuous-record gaging station, October 1954 to September 1974, October 1977 to current year. Annual maximum, water years 1975-77.
REVISED RECORDS.--WDR NJ-74:1971. WDR US-2011:2010(M). WDR US-2012:2010(P).
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 71.74 ft above NGVD of 1929 (levels from New Jersey Geological Survey benchmark).
REMARKS.--Records fair, except for estimated daily discharges, which are poor. The flow past this station is affected by pumpage from wells by United Water New Jersey and others.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,770 ft3/s, Aug 28, 2011, gage height, 11.42 ft; maximum gage height, 13.40 ft, Sep 16, 1999; minimum discharge, 0.00 ft3/s, Jul 27, 1999.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, 6,400 ft3/s, July 23, 1945, on basis of slope-area measurement of peak flow at site 1.6 mi upstream, drainage area, 19.1 mi2.

Peak Flood Chart

Gage Photo

NEW: Flood Inundation Maps Now Available for this Gage.

National Weather Service flood stage for this gage is 5.0 ft.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 2007-10-01  2016-10-20
00065 Gage height 2007-10-01  2016-10-20

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Discharge, cubic feet per second

Most recent instantaneous value: 3.9   10-20-2016   16:30 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 20 based on 57 years of record more
Most Recent
Value Oct 20
Median 75th
Mean Max
1.9 3.9 6.9 14 25 32 355

Gage height, feet

Most recent instantaneous value: 0.58   10-20-2016   16:30 EDT
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