Schuylkill River at Pottstown, Montgomery County PA (PTNP1)
Gage Location: Montgomery County, PennsylvaniaSite Location: Montgomery County, Pennsylvania
Latitude: 40.242Longitude: -75.652Elevation: 117.86 ft. MSLDrainage Area: 1147 Sq. Mi.
Minor Stage: 12.5 ft. Moderate Stage: 18 ft.Major Stage: 22 ft.
First Flood: 1902-02-28Last Flood: 2011-09-09 Crest: 18.27 ft.Datum change: 2011-08-17Number of Floods: 38

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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
13 ft to 14 ft923.713 ft or above 38100.0
14 ft to 15 ft1128.914 ft or above 2976.3
15 ft to 16 ft615.815 ft or above 1847.4
16 ft to 17 ft12.616 ft or above 1231.6
17 ft to 18 ft410.517 ft or above 1128.9
18 ft to 19 ft25.318 ft or above 718.4
19 ft to 20 ft12.619 ft or above 513.2
20 ft to 21 ft25.320 ft or above 410.5
21 ft to 22 ft12.621 ft or above 25.3
22 ft to 23 ft00.022 ft or above 12.6
23 ft to 24 ft00.023 ft or above 12.6
24 ft to 25 ft00.024 ft or above 12.6
25 ft to 26 ft00.025 ft or above 12.6
26 ft to 27 ft00.026 ft or above 12.6
27 ft to 28 ft00.027 ft or above 12.6
28 ft to 29 ft00.028 ft or above 12.6
29 ft to 30 ft12.629 ft or above 12.6
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
12 ft to 13 ft00.012 ft or above 1100.0
13 ft to 14 ft00.013 ft or above 1100.0
14 ft to 15 ft00.014 ft or above 1100.0
15 ft to 16 ft00.015 ft or above 1100.0
16 ft to 17 ft00.016 ft or above 1100.0
17 ft to 18 ft00.017 ft or above 1100.0
18 ft to 19 ft1100.018 ft or above 1100.0
19 ft to 20 ft00.019 ft or above 00.0
20 ft to 21 ft00.020 ft or above 00.0
21 ft to 22 ft00.021 ft or above 00.0
22 ft to 23 ft00.022 ft or above 00.0
23 ft to 24 ft00.023 ft or above 00.0
24 ft to 25 ft00.024 ft or above 00.0
25 ft to 26 ft00.025 ft or above 00.0
26 ft to 27 ft00.026 ft or above 00.0
27 ft to 28 ft00.027 ft or above 00.0
28 ft to 29 ft00.028 ft or above 00.0
29 ft to 30 ft00.029 ft or above 00.0