Susquehanna River at Conowingo, Harford County MD (CNWM2)
Gage Location: Harford County, MarylandSite Location: Cecil County, Maryland
Latitude: 39.659Longitude: -76.174Elevation: 5 ft. MSLDrainage Area: 27100 Sq. Mi.
Minor Stage: 23.5 ft. Moderate Stage: 28 ft.Major Stage: 33 ft.
First Flood: 1970-02-04Last Flood: 2011-09-09 Crest: 32.41 ft.Datum change: 1967-10-01Number of Floods: 26

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Year
Before Datum Change
Number of Floods
Year
After Datum Change
Number of Floods
19670
19680
19690
19701
19710
19721
19730
19740
19751
19762
19770
19781
19791
19800
19811
19820
19830
19841
19850
19861
19870
19880
19890
19900
19910
19920
19931
19941
19950
19962
19970
19981
19990
20000
20010
20020
20031
20042
20051
20061
20070
20081
20090
20101
20114
20120
20130