Table 2. Historical flood peaks and flood peaks during the August 12-14, 2000, flood at U.S. Geological Survey gages in northwestern New Jersey where the recurrence interval of the peak flow was greater than 2 years
[NA, not available; 13 of 35 sites in the region experienced a flood with a frequency greater than 2 years; mi2, square miles; >, greater than; ft, feet; ft3/s, cubic feet per second; ft3/s/mi2, cubic feet per second per square mile]
| U.S. Geological Survey stream- gaging station number |
Site name | Drainage area (mi2) | Remarks | Date | Peak discharge (ft3/s) | Peak discharge (ft3/s/mi2) | Gage height (ft) | Time | Recur- rence interval (years) |
Years of record |
|---|---|---|---|---|---|---|---|---|---|---|
| 01367633 | Glen Brook near Sparta, NJ | 3.68 | Thunder- storm |
8/12/2000 | 2,520 | 685 | NA | NA | NA | 1 |
| 01368000 | Wallkill River near Unionville, NY | 140 | Peak of record | 8/19/1955 | 6,880 | 49.1 | 13.35 | NA | >100 | 44 |
| Thunder- storm |
8/14/2000 | 1,800 | 12.9 | 8.89 | NA | 3 | ||||
| 01379630 (site R3) | Russia Brook tributary at Milton, NJ | 1.64 | Previous peak of record | 8/28/1971 | 144 | 87.8 | 4.23 | NA | NA | 4 |
| New peak of record | 8/12/2000 | 650 | 396 | 5.98 | NA | NA | ||||
| 01379700 | Rockaway River at Berkshire Valley, NJ | 24.4 | Previous peak of record | 4/5/1984 | 1,290 | 52.9 | 9.05 | NA | NA | 13 |
| New peak of record | 8/13/2000 | 2,500 | 102.5 | 10.86 | NA | 40 | ||||
| 01379773 | Green Pond Brook at Picatinny Arsenal, NJ | 7.65 | Peak of record | 4/5/1984 | 333 | 43.5 | 3.51 | NA | NA | 17 |
| Thunder- storm |
8/12/2000 | 178 | 23.5 | 2.95 | 1845 | 3 | ||||
| 01379780 | Green Pond Brook below Picatinny Lake at Picatinny Arsenal, NJ | 9.16 | Previous peak of record | 9/13/1987 | 243 | 26.5 | 3.70 | NA | NA | 15 |
| New peak of record | 8/12/2000 | 290 | 31.0 | 3.83 | 2145 | NA | ||||
| 01379790 | Green Pond Brook at Wharton, NJ | 12.6 | Peak of record | 4/5/1984 | 572 | 45.4 | 5.11 | NA | NA | 18 |
| Thunder- storm |
8/13/2000 | 446 | 35.4 | 4.56 | 0245 | 6 | ||||
| 01380500 | Rockaway River above reservoir at Boonton, NJ | 116 | Peak of record | 4/5/1984 | 5,590 | 48.2 | 7.23 | NA | 40 | 63 |
| Thunder- storm |
8/13/2000 | 2,750 | 19.9 | 5.04 | 2400 | 3 | ||||
| 01399190 | Lamington River near Succasunna, NJ | 7.37 | Peak of record | 1/24/1979 | 176 | 23.9 | 5.20 | NA | 20 | 12 |
| Thunder- storm |
8/12/2000 | 150 | 20.4 | 4.91 | NA | 12 | ||||
| 01399200 | Lamington River at Ironia, NJ | 10.9 | Peak of record | 7/7/1984 | 389 | 35.7 | 5.15 | NA | 20 | 14 |
| Thunder- storm |
8/12/2000 | 228 | 20.9 | 4.86 | NA | 4 | ||||
| 01455400 | Lake Hopatcong at Landing, NJ | 25.3 | Previous peak of record | 8/19/1955 | NA | NA | 10.55 | NA | NA | 114 |
| New peak of record | 8/13/2000 | NA | NA | 11.80 | 0600 | >100 | ||||
| 01455500 | Musconetcong River at outlet of Lake Hopatcong, NJ | 25.3 | Previous peak of record | 8/20/1955 | 795 | 31.4 | 3.85 | NA | NA | 69 |
| New peak of record | 8/13/2000 | 1,900 | 75.1 | 10.74 | NA | >100 | ||||
| 01456000 | Musconetcong River near Hackettstown, NJ | 68.9 | Peak of record | 8/19/1955 | 2,170 | 31.5 | 3.97 | NA | 60 | 75 |
| Thunder- storm |
8/14/2000 | 1,670 | 24.2 | 3.50 | NA | 20 | ||||
| 01457000 | Musconetcong River near Bloomsbury, NJ | 141 | Peak of record | 1/25/1979 | 7,200 | 51.1 | 8.50 | NA | 70 | 82 |
| Thunder- storm |
8/15/2000 | 2,320 | 16.5 | 5.28 | 0400 | 3 |