Passaic River at Little Falls, Passaic County NJ (LTFN4)
Gage Location: Passaic County, New Jersey	Site Location: Passaic County, New Jersey
Latitude: 40.885	Longitude: -74.226	Elevation: 120 ft. MSL	Drainage Area: 762 Sq. Mi.
Minor Stage: 7 ft.	Moderate Stage: 8 ft.	Major Stage: 9 ft.
First Flood: 1903-10-10	Last Flood: 2011-09-09 Crest: 11.05 ft.	Datum change: 1955-09-30	Number of Floods: 60

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1903-10-10 17.5 31700 Major *** NWSC 1955-10-18 9.45 11600 Major (A) 1960-04-07 7.15 7140 Minor (A) 1961-02-27 7.4 7610 Minor (A) 1968-05-31 10.73 13500 Major (A) 1970-02-12 7.62 7240 Minor (A) 1970-04-05 8.66 9110 Moderate (A) 1971-08-29 8.05 8010 Moderate (A) 1971-09-15 8.03 7970 Moderate (A) 1972-06-25 9.45 10300 Major (A) 1973-02-05 9.45 10600 Major (A) 1973-04-06 7.25 6620 Minor (A) 1973-07-01 7.42 6890 Minor (A) 1973-12-23 8.55 8910 Moderate (A) 1975-09-27 8.95 9640 Moderate (A) (C) 1976-01-30 7.11 6390 Minor (A) 1977-03-25 8.22 8440 Moderate (A) 1977-11-10 8.63 9180 Moderate (A) 1978-03-29 9.18 10100 Major (A) 1979-01-27 9.21 10200 Major (A) 1979-03-08 7.48 6910 Minor (A) 1979-05-26 7.71 7300 Minor (A) 1980-03-23 8.48 8700 Moderate (A) 1980-04-11 9.06 9870 Major (A) 1983-03-22 9 9740 Major (A) 1983-04-12 7.46 6830 Minor (A) 1983-04-19 8.82 9380 Moderate (A) 1983-04-27 7.49 6880 Minor (A) 1983-12-15 8.99 9720 Moderate (A) 1984-04-07 12.91 18400 Major (A) 1984-06-01 10.08 12000 Major (A) 1984-07-09 7.58 7040 Minor (A) 1986-04-19 7.03 6150 Minor (A) 1987-04-06 9.29 10300 Major (A) 1989-05-12 7.23 6450 Minor (A) 1989-05-19 9.44 10700 Major (A) 1992-06-07 7.21 6410 Minor (A) 1993-04-01 8.48 8700 Minor (A) 1996-01-29 8.82 9440 Moderate (A) 1996-12-04 7.23 6550 Minor (A) 1998-05-13 8.57 8950 Moderate (A) 1999-09-18 9.84 11600 Major none 2003-03-23 7.34 6950 Minor none 2003-12-13 7.57 7320 Minor none 2003-12-26 7.19 6489 Minor none 2005-03-31 7.5 7210 Minor none 2005-04-04 10.27 12400 Major none 2005-10-10 7.14 6640 Minor none 2005-10-14 9.21 10200 Major none 2007-04-18 11.88 15800 Major none 2008-03-10 7.55 7570 Minor none 2010-03-16 11.87 15800 Major none 2010-03-24 7.44 7390 Minor none 2010-04-01 8.7 9500 Moderate none 2011-03-12 11.81 15600 Major none 2011-04-18 9.02 10100 Major none 2011-05-20 7.39 7310 Minor none 2011-08-30 14.19 20800 Major none 2011-09-09 11.05 14000 Major none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012