456  
FOUS71 KRHA 180750  
FFHNJ1  
HEADWATER STATEMENT FOR NEW JERSEY STREAMS  
MIDDLE ATLANTIC RIVER FORECAST CENTER  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
330 AM EDT WED MAR 18 2026  
 
APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES)  
REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT  
THE INDICATED HEADWATER LOCATIONS.  
 
.B RHA 260318 Z DH06/DC2603180730/DUE/PPHCF/PPTCF/PPQCF/PPKCF  
:  
:IDENT 1HR 3HR 6HR 12HR HEADWATER NAME STREAM  
:======= ==== ==== ==== ==== ==================== ==================  
:  
: NWS BROOKHAVEN SERVICE AREA...  
: RAMAPO RIVER...  
MAWN4 1.3/ 1.5/ 1.6/ 1.7 :MAHWAH (8FT) RAMAPO RIVER  
:MAWN4MD 2.0/ 2.3/ 2.5/ 2.6 MAHWAH (9) RAMAPO RIVER  
:MAWN4MJ 4.5/ 5.3/ 5.8/ 6.1 MAHWAH (12) RAMAPO RIVER  
: HOHOKUS BROOK...  
HOHN4 0.8/ 0.9/ 1.2/ 1.9 :HO-HO-KUS (3FT) HOHOKUS BROOK  
: SADDLE RIVER...  
LODN4 1.0/ 1.1/ 1.6/ 1.7 :LODI (5.5FT) SADDLE RIVER  
:LODN4MD 1.3/ 1.6/ 2.2/ 2.4 LODI (7) SADDLE RIVER  
:LODN4MJ 1.6/ 1.9/ 2.6/ 2.8 LODI (8) SADDLE RIVER  
: RAHWAY RIVER...  
SPGN4 1.2/ 1.2/ 1.3/ 1.7 :SPRINGFIELD (5.5FT) RAHWAY RIVER  
:  
: NWS MT. HOLLY SERVICE AREA...  
: PASSAIC BASIN...  
: PASSAIC RIVER...  
CAMN4 1.2/ 1.4/ 1.9/ 2.4 :CHATHAM (6FT) PASSAIC RIVER  
:CAMN4MD 2.8/ 3.2/ 4.4/ 5.6 CHATHAM (7.2) PASSAIC RIVER  
:CAMN4MJ 4.3/ 4.9/ 6.8/ 8.0 CHATHAM (8.2) PASSAIC RIVER  
: ROCKAWAY RIVER...  
BOTN4 4.9/ 5.3/ 5.4/ 5.5 :BOONTON ABV. (5FT) ROCKAWAY RIVER  
:BOTN4MD 6.5/ 7.0/ 7.4/ 8.0 BOONTON ABV. (6) ROCKAWAY RIVER  
:BOTN4MJ 6.5/ 7.0/ 7.4/ 8.0 BOONTON ABV. (7) ROCKAWAY RIVER  
: WHIPPANY RIVER...  
WHIN4 1.2/ 1.3/ 1.6/ 1.7 :MORRISTOWN (6FT) WHIPPANY RIVER  
: RARITAN BASIN..  
: SOUTH BRANCH RARITAN RIVER...  
STTN4 2.2/ 2.4/ 3.0/ 3.8 :STANTON (8FT) S. BR. RARITAN RIVER  
:STTN4MD 2.3/ 2.6/ 3.6/ 4.4 STANTON (10) S. BR. RARITAN RIVER  
:STTN4MJ 2.6/ 2.9/ 4.3/ 5.2 STANTON (12) S. BR. RARITAN RIVER  
: NORTH BRANCH RARITAN RIVER...  
RRTN4 1.6/ 1.7/ 2.0/ 2.2 :RARITAN (10FT) N. BR. RARITAN RIVER  
:RRTN4MD 1.8/ 2.0/ 2.3/ 2.7 RARITAN (12) N. BR. RARITAN RIVER  
:RRTN4MJ 2.2/ 2.4/ 3.0/ 3.6 RARITAN (15) N. BR. RARITAN RIVER  
: MILLSTONE RIVER...  
BKWN4 2.6/ 2.7/ 2.9/ 3.0 :BLACKWELLS MILLS(9FT) MILLSTONE RIVER  
:BKWN4MD 2.7/ 2.8/ 2.9/ 3.1 BLACKWELLS MILLS(10) MILLSTONE RIVER  
:BKWN4MJ 3.1/ 3.2/ 3.4/ 3.8 BLACKWELLS MILLS(15) MILLSTONE RIVER  
: DELAWARE BASIN...  
: ASSUNPINK CREEK...  
TACN4 1.5/ 1.6/ 1.8/ 2.0 :TRENTON (8.5FT) ASSUNPINK CREEK  
:TACN4MD 1.9/ 1.9/ 2.2/ 2.5 TRENTON (9.5) ASSUNPINK CREEK  
:TACN4MJ 2.4/ 2.5/ 2.8/ 3.2 TRENTON (11) ASSUNPINK CREEK  
.END  
 
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