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: 2014-05-01 Crest: 12.9 ft.Datum change: 2011-08-17Number of Floods: 39

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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
12 ft to 13 ft12.612 ft or above 39100.0
13 ft to 14 ft923.113 ft or above 3897.4
14 ft to 15 ft1128.214 ft or above 2974.4
15 ft to 16 ft615.415 ft or above 1846.2
16 ft to 17 ft12.616 ft or above 1230.8
17 ft to 18 ft410.317 ft or above 1128.2
18 ft to 19 ft25.118 ft or above 717.9
19 ft to 20 ft12.619 ft or above 512.8
20 ft to 21 ft25.120 ft or above 410.3
21 ft to 22 ft12.621 ft or above 25.1
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 ft150.012 ft or above 2100.0
13 ft to 14 ft00.013 ft or above 150.0
14 ft to 15 ft00.014 ft or above 150.0
15 ft to 16 ft00.015 ft or above 150.0
16 ft to 17 ft00.016 ft or above 150.0
17 ft to 18 ft00.017 ft or above 150.0
18 ft to 19 ft150.018 ft or above 150.0
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