Delaware River at Riegelsville, Warren County NJ (RGLN4)
Gage Location: Warren County, New JerseySite Location: Bucks County, Pennsylvania
Latitude: 40.595Longitude: -75.19Elevation: 125.12 ft. MSLDrainage Area: 6328 Sq. Mi.
Minor Stage: 22 ft. Moderate Stage: 26 ft.Major Stage: 30 ft.
First Flood: 1841-01-08Last Flood: 2011-09-09 Crest: 28.06 ft.Datum change: 1924-02-28Number of Floods: 40

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Year
Before Datum Change
Number of Floods
18411
18420
18430
18440
18450
18460
18470
18480
18490
18500
18510
18520
18530
18540
18550
18560
18570
18580
18590
18600
18610
18620
18630
18640
18650
18660
18670
18680
18690
18700
18710
18720
18730
18740
18750
18760
18770
18780
18790
18800
18810
18820
18830
18840
18850
18860
18870
18880
18890
18900
18910
18920
18930
18940
18950
18960
18970
18980
18990
19000
19010
19020
19031
19040
19050
19060
19071
19080
19090
19100
19110
19120
19131
19141
19150
19160
19170
19180
19190
19201
19210
19220
19230
Year
After Datum Change
Number of Floods
19242
19251
19261
19270
19280
19290
19300
19310
19320
19331
19340
19351
19362
19370
19381
19390
19401
19410
19422
19430
19440
19450
19460
19470
19482
19490
19501
19511
19521
19530
19540
19552
19560
19570
19580
19590
19601
19610
19620
19630
19640
19650
19660
19670
19680
19690
19700
19710
19720
19732
19740
19750
19760
19771
19780
19790
19800
19810
19820
19831
19841
19850
19861
19870
19880
19890
19900
19910
19920
19930
19940
19950
19961
19970
19980
19990
20000
20010
20020
20030
20041
20051
20061
20070
20080
20090
20100
20114
20120
20130
20140