USGS Pennsylvania Water Science Center FLOOD PEAK SUMMARY
Tropical Storm Ivan – September 17 to 21, 2004
USGS Station Number |
Stream Name |
Stream Location |
Drainage area (square miles) |
Period of known floods |
Maximum flood previously known |
Provisional Maximum during present flood |
||||||
Date |
Stage (feet) |
Discharge (cubic feet per second) |
Date |
Stage (feet) |
Discharge |
|||||||
Discharge (cubic feet per second) |
Unit Discharge (cubic feet per second per square mile) |
Recurrence interval range (years) # |
||||||||||
W. Branch Lackawaxen River |
Aldenville |
40.6 |
1986 to present |
1/19/96 |
8.00 |
4,340 |
9/18/04 |
7.05 |
2980 |
73.4 |
<10 |
|
W. Branch Lackawaxen River |
Prompton |
59.7 |
1944 to present |
8/18/55+ |
9.24+ |
5,860+ |
9/18/04 |
5.82 |
2,560 |
42.9 |
<10 |
|
Dyberry Creek |
Near Honesdale |
45.8 |
1975 to present |
9/27/85 |
11.75 |
5,140 |
9/18/04 |
12.73 |
7,060 |
154 |
100<500 |
|
Dyberry Creek |
Honesdale |
64.6 |
1943 to present |
7/10/52+ |
14.60+ |
15,500+ |
9/18/04 |
7.44 |
2,750 |
42.6 |
>500 |
|
Lackawaxen River |
Honesdale |
164 |
1948-69, 1985 to present |
8/18/55+ |
15.52+ |
18,600+ |
9/18/04 |
10.54 |
10,100 |
61.6 |
>500 |
|
Lackawaxen River |
Hawley |
290 |
1908-17, 1938 to present |
8/19/55+ |
24.80+ |
51,900+ |
9/18/04 |
14.49 |
17,700 |
61.0 |
50>100 |
|
Vandermark Creek |
Milford |
5.36 |
1962 to present |
9/16/99 |
3.36a |
566 |
9/18/04 |
3.16 |
431 |
80.4 |
25<50 |
|
Bush Kill |
Shoemakers |
117 |
1908 to present |
8/19/55 |
13.95 |
23,400 |
9/18/04 |
7.27 |
5,330 |
45.6 |
10<25 |
|
Mill Creek |
Mountain-home |
5.84 |
1961 to present |
7/28/69 |
12.65 |
1,650 |
9/18/04 |
10.87 |
789 |
135 |
<10 |
|
Brodhead Creek |
Analomink |
65.9 |
1957 to present |
7/28/69 |
11.82 |
12,900 |
9/18/04 |
8.53 |
5,720 |
86.8 |
<10 |
|
Swiftwater Creek |
Swiftwater |
6.59 |
2001 to present |
9/23/03 |
3.49 |
996 |
9/18/04 |
4.57 |
2,340 |
355 |
Not determined |
|
Pocono Creek |
Stroudsburg |
38.9 |
2002 to present |
9/23/03 |
11.87 |
3,540 |
9/18/04 |
12.04 |
4,110 |
106 |
Not determined |
|
Brodhead Creek |
Minisink Hills |
259 |
1950 to present |
8/19/55 |
27.00 |
68,800 |
9/18/04 |
18.23 1 11.66 |
18,500 |
71.4 |
<10 |
|
Lehigh River |
Stoddartsville |
91.7 |
1943 to present |
8/19/55 |
16.37 |
31,900 |
9/18/04 |
11.59 |
10,200 |
111 |
10>25 |
|
Tunkhannock Creek |
Long Pond |
20.0 |
1965 to present |
4/6/84 |
4.76 |
679 |
9/18/04 |
4.81 |
769 |
38.4 |
25>50 |
|
Tobyhanna Creek |
Blakeslee |
118 |
1961 to present |
9/27/85 |
12.33 |
9,190 |
9/18/04 |
12.71 |
10,400 |
88.1 |
25>50 |
|
Lehigh River |
White Haven |
290 |
1957 to present |
12/21/57 |
9.85+ |
13,800+ |
9/19/04 |
7.49 |
7,160 |
24.7 |
<10 |
|
Lehigh River |
Lehighton |
591 |
1982 to present |
1/27/96 |
12.55 |
22,900 |
9/18/04 |
12.01 |
21,200 |
35.9 |
<10 |
|
Pohopoco Creek |
Kresgeville |
49.9 |
1966 to present |
7/29/69 |
9.21 |
2,080 |
9/18/04 |
8.99 |
1,950 |
39.1 |
10>25 |
|
Pohopoco Creek |
Parryville |
96.4 |
1967 to present |
6/22/03 |
5.99 |
1,740b |
9/19/04 |
5.72 |
1,570 |
16.3 |
<10 |
|
Aquashicola Creek |
Palmerton |
76.7 |
1939 to present |
7/10/45 |
13.63 |
11,700 |
9/18/04 |
12.17 |
8,940 |
117 |
25>50 |
|
Lehigh River |
Walnutport |
889 |
1946 to present |
8/19/55 |
17.68 |
77,800 |
9/18/04 |
12.30 |
40,000 |
45.0 |
10>25 |
|
Lehigh River |
Allentown |
1,033 |
1985 to present |
9/9/87 |
46.89 |
43,200 |
9/18/04 |
49.35 |
53,000 |
51.3 |
Not determined |
|
Little Lehigh Creek |
Allentown |
80.8 |
1945 to present |
6/22/72 |
11.80 |
11,800 |
9/18/04 |
10.63 |
9,670 |
120 |
25>50 |
|
Little Lehigh Creek |
10 th Street Allentown |
98.2 |
1986 to present |
9/9/87 |
9.47 |
7,370 |
9/18/04 |
10.65 |
9,680 |
98.6 |
25>50 |
|
Jordan Creek |
Schnecksville |
53.0 |
1966 to present |
6/22/72 |
12.32 |
7,100 |
9/18/04 |
9.46 |
4,160 |
78.5 |
<10 |
|
Jordan Creek |
Allentown |
75.8 |
1944 to present |
6/23/72 |
11.61 |
16,200 |
9/18/04 |
7.90 |
7440 |
98 |
10>25 |
|
Monocacy Creek |
Bethlehem |
44.5 |
1948 to present |
1/25/79 |
8.19 |
3,490 |
9/18/04 |
9.85 |
5,470 |
123 |
100<500 |
|
Lehigh River |
Bethlehem |
1,279 |
1902-05; 1909 to present |
5/23/42 |
25.90 |
92,000 |
9/18/04 |
19.70 |
56,700 |
44.3 |
25<50 |
|
Lehigh River |
Glendon |
1,359 |
1966 to present |
6/23/72 |
24.86 |
60,600 |
9/19/04 |
26.60 1 |
60,000 e |
44.2 |
25>50 |
|
Tohickon Creek |
Pipersville |
97.4 |
1935 to present |
9/16/99 |
11.90 |
18,600 |
9/18/04 |
9.22 |
8,740 |
89.7 |
<10 |
|
North Br. Neshaminy Creek |
New Britain |
16.2 |
1985 to present |
9/16/99 |
4.96 |
2,340 |
9/18/04 |
2.90 |
225 |
13.9 |
Not determined |
|
North Br. Neshaminy Creek |
Chalfont |
31.5 |
1990 to present |
9/16/99 |
11.36 |
6,990 |
9/18/04 |
6.48 |
1,390 |
44.1 |
Not determined |
|
Neshaminy Creek |
Rushland |
91.0 |
1986-92; 2001 to present |
9/20/89 |
12.33 |
5,300 |
9/18/04 |
8.20 |
2,740 |
30.1 |
Not determined |
|
Little Neshaminy Creek |
Neshaminy |
26.8 |
1998 to present |
6/16/01 |
14.57 |
11,300 |
9/18/04 |
5.44 |
1,270 |
47.4 |
Not determined |
|
Neshaminy Creek |
Langhorne |
210 |
1934 to present |
8/19/55 |
22.84 |
49,300 |
9/18/04 |
6.54 |
3,980 |
19.0 |
<10 |
|
Poquessing Creek |
Philadelphia |
21.4 |
1965 to present |
6/28/82 |
15.35 |
9,400 |
9/18/04 |
4.31 |
205 |
9.58 |
<10 |
|
Pennypack Creek |
Philadelphia |
49.8 |
1965 to present |
9/16/99 |
14.77 |
12,400 |
9/18/04 |
4.38 |
666 |
13.4 |
<10 |
|
Frankford Creek |
Philadelphia |
30.4 |
1982 to present |
7/31/85 |
11.82 |
10,300 |
9/18/04 |
4.63 |
1,650 |
54.3 |
<10 |
|
Schuylkill River |
Landingville |
133 |
1947-53; 1963-65; 1973 to present |
6/22/72 |
17.36 |
14,000 |
9/18/04 |
13.85 |
6,000 |
45.1 |
<10* |
|
Little Schuylkill River |
Tamaqua |
42.9 |
1919 to present |
8/18/55 |
11.10 |
7,790 |
9/18/04 |
6.78 |
2,370 |
55.2 |
<10 |
|
Schuylkill River |
Berne |
355 |
1947 to present |
6/22/72 |
19.00 |
42,800 |
9/18/04 |
15.05 |
24,900 |
70.1 |
10>25 |
|
Tulpehocken Creek |
Bernville |
66.5 |
1974 to present |
1/24/79 |
10.16 |
7,140 |
9/18/04 |
7.52 |
2,150 |
32.3 |
<10 |
|
Furnace Creek |
Robesonia |
4.2 |
1982 to present |
12/17/00 |
4.66 |
718 |
9/18/04 |
1.09 |
30 |
7.14 |
<10 |
|
Tulpehocken Creek |
Blue Marsh / Reading |
175 |
1965 to present |
6/22/72+ |
18.70+ |
16,100+ |
9/19/04 |
6.09 |
2,100 |
12.0 |
<10 |
|
Tulpehocken Creek |
Reading |
211 |
1950 to present |
6/23/72+ |
15.65+ |
17,000+ |
9/18/04 |
4.16 |
2,250 |
10.7 |
<10 |
|
Schuylkill River |
Reading |
880 |
1919-30; 1977 to present |
9/2/1850 |
unknown |
80,000 |
9/18/04 |
16.24 |
29,700 |
33.8 |
<10 |
|
Schuylkill River |
Birdsboro |
976 |
1983 to present |
4/16/83 |
158.72 |
30,700 |
9/19/04 |
157.49 |
27,600 |
28.3 |
Not determined |
|
Manatawny Creek |
Spangsville |
56.9 |
1993 to present |
1/19/96 |
8.11 |
3,380 |
9/18/04 |
7.50 |
2,710 |
47.6 |
Not determined |
|
Manatawny Creek |
Pottstown |
85.5 |
1974 to present |
9/9/87 |
11.46 |
7,750 |
9/18/04 |
7.41 |
3,070 |
35.9 |
<10 |
|
Schuylkill River |
Pottstown |
1,147 |
1927 to present |
6/2372 |
29.97 |
95,900 |
9/19/04 |
14.59 |
27,800 |
24.2 |
<10 |
|
French Creek |
Phoenixville |
59.1 |
1968 to present |
6/22/72 |
13.66 |
11,200 |
9/18/04 |
9.51 |
3,360 |
56.9 |
<10 |
|
Schuylkill River |
Phoenixville |
1,280 |
1971 to present |
6/23/72 |
100.58 |
79,100 |
9/19/04 |
87.99 |
35,590 |
27.8 |
Not determined |
|
Perkiomen Creek |
East Greenville |
38.0 |
1981 to present |
6/25/84 |
7.26 |
6,740 |
9/18/04 |
7.07 |
5,720 |
150 |
10<25 |
|
West Br. Perkiomen Creek |
Hillegass |
23.0 |
1981 to present |
1/19/96 |
6.34 |
3,270 |
9/18/04 |
5.76 |
2,420 |
105 |
<10 |
|
East Br. Perkiomen Creek |
Dublin |
4.0 |
1983 to present |
9/16/99 |
8.57 |
1,860 |
9/18/04 |
6.08 |
964 |
241 |
<10 |
|
East Br. Perkiomen Creek |
Schwenksville |
58.7 |
1991 to present |
9/16/99 |
14.03 |
12,300 |
9/18/04 |
10.35 |
6,590 |
112 |
Not determined |
|
Perkiomen Creek |
Graterford |
279 |
1914 to present |
7/09/35 |
18.26 |
39,900 |
9/18/04 |
14.80 |
26,500 |
95.0 |
<10 |
|
Valley Creek |
Valley Forge |
20.8 |
1982 to present |
9/16/99 |
14.75 |
6,280 |
9/18/04 |
8.64 |
1,580 |
76.0 |
<10 |
|
Schuylkill River |
Norristown |
1,760 |
1927-33; 1983-93; 2001 to present |
12/14/83 |
62.94 |
42,700 |
9/18/04 |
16.00 |
54,300 |
30.9 |
Not determined |
|
Wissahickon Creek |
Fort Washington |
40.8 |
1961-69; 2000 to present |
9/16/99 |
18.05 |
14,300e |
9/18/04 |
8.64 |
2,410 |
59.1 |
Not determined |
|
Wissahickon Creek |
Philadelphia |
64.0 |
1897-03; 1965 to present |
9/16/99 |
11.50 |
19,800 |
9/18/04 |
4.84 |
2,240 |
35.0 |
<10 |
|
Schuylkill River |
Philadelphia |
1,893 |
1931 to present |
10/04/1869 |
17.0 |
135,000e |
9/18/04 |
11.33 |
51,100 |
27.0 |
<10 |
|
Cobbs Creek |
Philadelphia |
4.78 |
1964-81, 2004 to present |
8/23/74 |
10.48 |
3,480 |
9/18/04 |
6.66 |
482 |
101 |
<10 |
|
Crum Creek |
Newtown Square |
15.8 |
1981 to present |
9/16/99 |
11.99 |
4,250 |
9/18/04 |
8.38 |
1,660 |
105 |
<10 |
|
Ridley Creek |
Media |
30.5 |
1986 to present |
9/16/99 |
15.10 |
8,000 |
9/18/04 |
7.28 |
1,650 |
54.1 |
<10 |
|
Chester Creek |
Chester |
61.1 |
1931 to present |
9/13/71 |
24.59 |
21,000 |
9/18/04 |
8.58 |
2,650 |
43.4 |
<10 |
|
White Clay Creek |
Strickersvill e |
59.2 |
1996 to present |
9/16/99 |
16.71 |
14,400 |
9/18/04 |
9.73 |
3,620 |
61.1 |
Not determined |
|
Red Clay Creek |
Kennett Square |
28.3 |
1988 to present |
9/15/03 |
15.30 |
19,700 |
9/18/04 |
6.55 |
1,750 |
61.8 |
Not determined |
|
West Br. Brandywine Creek |
Honey Brook |
18.7 |
1960 to present |
1/19/96 |
11.62 |
3,800 |
9/18/04 |
8.01 |
1,610 |
86.1 |
<10 |
|
Birch Run |
Wagontown |
4.55 |
1995 to present |
1/19/96 |
4.99 |
401 |
9/18/04 |
3.13 |
65 |
14.3 |
Not determined |
|
West Br. Brandywine Creek |
Coatesville |
45.8 |
1942-51, 1970 to present |
8/09/42 |
12.30 |
8,600 |
9/18/04 |
6.24 |
1,460 |
31.9 |
<10 |
|
West Br. Brandywine Creek |
Modena |
55.0 |
1970 to present |
6/29/73 |
12.47 |
9,600 |
9/18/04 |
6.48 |
1,700 |
30.9 |
<10 |
|
Marsh Creek |
Glenmoore |
8.57 |
1966 to present |
6/22/72 |
4.68 |
946 |
9/18/04 |
2.55 |
207 |
24.2 |
<10 |
|
Marsh Creek |
Downingtown |
20.3 |
1973 to present |
6/18/82 |
3.89 |
692 |
9/19/04 |
2.56 |
99 |
4.88 |
Not determined |
|
East Br. Brandywine Creek |
Near Downingtown |
60.6 |
1965 to present |
6/22/72 |
12.06 |
8,070 |
9/18/04 |
6.39 |
2,340 |
38.6 |
<10 |
|
East Br. Brandywine Creek |
Below Downingtown |
89.9 |
1972 to present |
6/22/72 |
12.40 |
8,160 |
9/18/04 |
10.11 |
3,820 |
42.5 |
<10 |
|
Brandywine Creek |
Chadds Ford |
287 |
1911-53, 1962 to present |
9/17/99 |
17.15 |
26,900 |
9/19/04 |
9.86 |
7,370 |
25.7 |
<10 |
|
e – Discharge is an estimate
+ - Prior to regulation
1 – The maximum stage occurred on September 19 as a result of backwater from the Delaware River.
# - Based on recurrence intervals computed from streamflow-gaging-station data found in Table 4 and Appendix 2 from U.S. Geological Survey Water-Resources Investigations Report 00-4189 Techniques for estimating magnitude and frequency of peak flows for Pennsylvania streams (PDF File).
* - Based on recurrence intervals computed from streamflow-gaging-station data found in Appendix 2 from U.S. Geological Survey Water-Resources Investigations Report 99-4068 Comparison of methods for computing streamflow statistics for Pennsylvania streams (PDF File).
a – Peak gage height for period of record is 3.65 ft, Sept.25, 1975.
b – Also May 8, 1973.