Raritan River at Manville, Somerset County NJ (MNVN4)
Gage Location: Somerset County, New JerseySite Location: Somerset County, New Jersey
Latitude: 40.555Longitude: -74.584Elevation: 20.61 ft. MSLDrainage Area: 490 Sq. Mi.
Minor Stage: 14 ft. Moderate Stage: 17 ft.Major Stage: 20 ft.
First Flood: 1903-10-10Last Flood: 2013-06-08 Crest: 15.24 ft.Datum change: 1923-08-15Number of Floods: 124

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Year
Before Datum Change
Number of Floods
19031
19040
19051
19060
19070
19080
19091
19101
19110
19121
19130
19141
19151
19160
19170
19180
19190
19200
19210
19220
Year
After Datum Change
Number of Floods
19230
19241
19250
19260
19271
19280
19290
19300
19310
19322
19331
19341
19350
19363
19370
19382
19391
19402
19411
19422
19430
19441
19451
19461
19470
19481
19491
19502
19513
19521
19532
19541
19553
19560
19571
19581
19590
19601
19610
19621
19630
19641
19651
19661
19671
19681
19691
19702
19713
19723
19734
19740
19751
19761
19772
19781
19793
19801
19811
19822
19833
19843
19851
19863
19871
19881
19892
19900
19910
19921
19931
19942
19950
19965
19970
19980
19991
20000
20010
20020
20032
20042
20053
20062
20071
20083
20091
20102
20118
20120
20131