Antietam Creek near Sharpsburg, Washington County MD (SACM2)
Gage Location: Washington County, MarylandSite Location: Washington County, Maryland
Latitude: 39.45Longitude: -77.73Elevation: 311.05 ft. MSLDrainage Area: 281 Sq. Mi.
Minor Stage: 8 ft. Moderate Stage: 10 ft.Major Stage: 12 ft.
First Flood: 1928-07-11Last Flood: 2014-05-16 Crest: 10.21 ft.Datum change: 2011-03-16Number of Floods: 32

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Height Above Flood Stage for Entire Period of Record
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
8 ft to 9 ft721.98 ft or above 32100.0
9 ft to 10 ft928.19 ft or above 2578.1
10 ft to 11 ft825.010 ft or above 1650.0
11 ft to 12 ft412.511 ft or above 825.0
12 ft to 13 ft00.012 ft or above 412.5
13 ft to 14 ft13.113 ft or above 412.5
14 ft to 15 ft26.214 ft or above 39.4
15 ft to 16 ft00.015 ft or above 13.1
16 ft to 17 ft13.116 ft or above 13.1
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
8 ft to 9 ft240.08 ft or above 5100.0
9 ft to 10 ft240.09 ft or above 360.0
10 ft to 11 ft120.010 ft or above 120.0
11 ft to 12 ft00.011 ft or above 00.0
12 ft to 13 ft00.012 ft or above 00.0
13 ft to 14 ft00.013 ft or above 00.0
14 ft to 15 ft00.014 ft or above 00.0
15 ft to 16 ft00.015 ft or above 00.0
16 ft to 17 ft00.016 ft or above 00.0