Lehigh River at Walnutport, Northampton County PA (WNTP1)
Gage Location: Northampton County, PennsylvaniaSite Location: Northampton County, Pennsylvania
Latitude: 40.757Longitude: -75.603Elevation: 350.27 ft. MSLDrainage Area: 889 Sq. Mi.
Minor Stage: 8 ft. Moderate Stage: 12 ft.Major Stage: 16 ft.
First Flood: 1942-05-23Last Flood: 2011-09-07 Crest: 8.01 ft.Datum change: 1946-10-01Number of Floods: 47

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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 ft1736.28 ft or above 47100.0
9 ft to 10 ft1429.89 ft or above 3063.8
10 ft to 11 ft510.610 ft or above 1634.0
11 ft to 12 ft48.511 ft or above 1123.4
12 ft to 13 ft510.612 ft or above 714.9
13 ft to 14 ft00.013 ft or above 24.3
14 ft to 15 ft00.014 ft or above 24.3
15 ft to 16 ft00.015 ft or above 24.3
16 ft to 17 ft00.016 ft or above 24.3
17 ft to 18 ft12.117 ft or above 24.3
18 ft to 19 ft00.018 ft or above 12.1
19 ft to 20 ft00.019 ft or above 12.1
20 ft to 21 ft12.120 ft or above 12.1
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 ft1737.08 ft or above 46100.0
9 ft to 10 ft1430.49 ft or above 2963.0
10 ft to 11 ft510.910 ft or above 1532.6
11 ft to 12 ft48.711 ft or above 1021.7
12 ft to 13 ft510.912 ft or above 613.0
13 ft to 14 ft00.013 ft or above 12.2
14 ft to 15 ft00.014 ft or above 12.2
15 ft to 16 ft00.015 ft or above 12.2
16 ft to 17 ft00.016 ft or above 12.2
17 ft to 18 ft12.217 ft or above 12.2
18 ft to 19 ft00.018 ft or above 00.0
19 ft to 20 ft00.019 ft or above 00.0
20 ft to 21 ft00.020 ft or above 00.0