| Water Resources of New Hampshire and Vermont |
| Flooding in New Hampshire and Vermont, June 14 to June 17, 1998 Report by USGS, WRD, NH-VT District Last update 8/07/98 |
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More than 7 inches of rainfall during the period from June 13-17, 1998 in eastern and southern New Hampshire has swollen many rivers and streams causing flooding primarily in the Saco, and Piscataqua River Basins. Within the southern portion of the Saco River Basin, the USGS gage on the Bear Camp River at South Tamworth, NH, recorded a stage of 9.6 feet and a discharge of approximately 6,000 cubic feet per second (cfs) at approximately midday on June 14. This peak was in excess of the 50-year flood. In the northern sections of the Saco River Basin, the Saco River near Conway, NH gage recorded a peak stage of 14.6 feet in the evening of June 14 and the discharge exceeded 36,000 cubic feet per second (cfs). This discharge was greater than the 10-year but less than the 25-year flood. Within the Piscataqua River Basin, the Lamprey River near Newmarket, NH gage recorded a peak stage of approximately 11.5 feet during the day on June 15. The peak discharge was approximately 4,440 cubic feet per second (cfs). This discharge approximated the 10-year flood. The Oyster River near Durham, NH at a peak stage of 5.25 feet and a peak discharge of 586 cubic feet per second (cfs) also equaled the the 10-year flood. Runoff in northcentral to northwestern New Hampshire was generally less intense than in the Saco and Piscataqua Basins, with discharges generally less than a 5-year flood. In other drainage basins throughout New Hampshire and Vermont, flows had generally less than a 2-year recurrence interval. For more details on flood stages and discharges, see the table below.
Peak Stages, Discharges and Approximate Recurrence Intervals
Provisional Data for Flood of June 14 to June 17, 1998
Period
Station DA Station Peak Peak Peak RI Historical of Record
No. Stage cfs cfsm Yrs Stage discharge year
ANDROSCOGGIN RIVER BASIN Diamond River near Wentworth Location, NH 152 1052500 7.85 4400 29 lt 2 10.66 8630 1943 1941-97 Androscoggin River at Errol, NH 1046 1053500 7.07 9180 8.8 9.40 16500 1969 1905-97 Androscoggin River near Gorham, NH 1361 1054000 8.50 13600 10 -- 20000 1917 1913-97 SACO RIVER BASIN Ellis River near Jackson, NH 10.9 1064300 6.19 2040 187 5 c18.90 4500 1966 1964-97 Saco River near Conway, NH 385 1064500 14.66 36400 95 20-25 17.20 47200 1953 1903-97 Bear Camp River near South Tamworth, NH 67.6 1064801 9.6 6000 89 gt 25 8.91 4500 1995 1993-97 Ossipee River at Effingham Falls, NH 330 1065000 10.38 7500 23 25-50 11.64 11700 1953 1942-92 PISCATAQUA RIVER BASIN Salmon Falls River at Milton, NH 108 1072100 5.94 2500 23 5-10 6.70 4000 1984 1969-97 Cocheco River at Rochester, NH 87.4 1072800 15.51 3780 43 unk 14.82 3090 1996 1995-97 Oyster River near Durham, NH 12.1 1073000 5.25 586 48 10 6.67 1160 1996 1934-97 Exeter River at Haigh Road, near Brentwood, NH 63.5 1073587 9.22 1220 19 unk 11.44 3060 1997 1996-97 Lamprey River near Newmarket, NH 183 1073500 11.50 4440 24 10 15.14 7570 1987 1934-97 MERRIMACK RIVER BASIN East Branch Pemigewasset River at Lincoln, NH 115 1074520 7.66 8360 73 2-5 11.07 16500 1995 1993-97 Pemigewasset River at Woodstock, NH 193 1075000 10.15 13800 72 2-5 16.13 47000 1959 1940-97 Stevens Brook near Wentworth, NH 2.9 1075800 3.25 184 63 lt 2 6.36 1210 1973 1963-97 Baker River near Rumney, NH 143 1076000 6.05 3280 23 lt 2 15.50 21400 1942 1940-97 Pemigewasset River at Plymouth, NH 622 1076500 14.24 22200 36 2-5 29.00 64500 1936 1903-97 Smith River near Bristol, NH 85.8 1078000 6.95 1830 21 2-5 16.09 8100 1936 1918-97 Winnipesaukee River at Tilton, NH 471 1081000 7.39 3340 7.1 10 8.68 4580 1984 1937-97 Merrimack River at Franklin Jct., NH 1507 1081500 13.21 16500 11 lt 2 36.4 83000 1936 1903-97 Contoocook River at Peterborough, NH 68.1 1082000 unk unk gt 2 6.62 2860 1987 1945-97 Nubanusit Brook near Peterborough, NH 46.9 1083000 5.60 602 13 unk -- 1130 1931 1920-97 Contoocook River near Henniker, NH 368 1085000 11.20 5990 16 2-5 a21.3 22200 1938 1940-97 Contoocook R bel Dam, at W. Hopkinton, NH 427 1085500 --- --- -- -- 10.89 7530 1987 1963-97 West Branch Warner River near Bradford, NH 5.7 1085800 8.33 505 89 5 -- 800 1984 1962-97 Blackwater River near Webster, NH 129 1087000 11.78 11000 1936 1918-97 Soucook River at Pembroke Road nr Concord, NH 81.9 1089100 9.77 1440 18 5 b14.50 b3700 1977 1988-97 Piscataquog R bel Everett Dam nr E. Weare, NH 63.1 1090800 6.17 244 3.9 9.09 1770 1984 1963-97 Piscataquog River nr Goffstown, NH 202 1091500 8.06 3080 15 lt 2 10.85 6840 1960 1940-97 Merrimack R nr Goffs Falls, bel Manchester, NH 3092 1092000 12.46 38700 12 2-5 25.87 102000 1938 1936-97 Stony Brook tributary near Temple, NH 3.6 1093800 5.63 648 1997 1963-97 Souhegan River at Merrimack, NH 171 1094000 6.74 2490 15 lt 2 16.2 16900 1936 1909-97 Beaver Brook at North Pelham, NH 47.8 10965852 12.53 1433 30 5-10 12.88 1850 1987 1987-97 Period
Station DA Station Peak Peak Peak RI Historical of Record
No. Stage cfs cfsm Yrs Stage discharge year
CONNECTICUT RIVER BASIN
Conn. R bel Indian Stream, nr Pittsburg, NH 254 1129200 -- -- -- -- 7.97 5240 1996 1956-97
Mohawk Brook near Colebrook, N. H. 36.7 1129440 6.31 669 18 lt 2 8.93 7630 1987 1986-97
Connecticut River at North Stratford, NH 799 1129500 6.63 5210 6.5 lt 2 14.67 28700 1943 1930-97
Upper Ammonoosuc River near Groveton, NH 232 1130000 5.81 3230 14 lt 2 12.01 24100 1969 1940-97
Connecticut River near Dalton, NH 1514 1131500 13.68 9390 6.2 lt 2 25.6 48300 1936 1927-97
Moose River at Victory, VT 75.2 1134500 6.28 591 7.8 lt 2 12.04 4940 1973 1947-97
Pope Brook (site W-3) near North Danville, VT 3.2 1135150 a3.4 a380 1973 1990-97
Sleepers River (site W-5) near St. Johnsbury, VT 42.9 1135300 2.60 614 14 lt 2 4.91 3020 1997 1990-97
East Branch Passumpsic River near East Haven, VT 53.8 1133000 3.89 304 5.6 lt 2 11.45 4450 1973 1939-45,
1949-79,
1997
Passumpsic River at Passumpsic, VT 436 1135500 5.67 2260 5.2 lt 2 23.49 18200 1973 1928-97
Ammonoosuc River at Bethlehem Junction, NH 87.6 1137500 8.40 5000 57 2-5 12.34 11300 1996 1939-97
Connecticut River at Wells River, VT 2644 1138500 6.24 13900 1.5 lt 2 17.35 57100 1973 1949-97
Wells River at Wells River, VT 98.4 1139000 2.60 614 6.2 lt 2 9.82 5970 1973 1940-97
East Orange Branch at East Orange, VT 8.9 1139800 3.08 75 8.4 lt 2 5.90 800 1990 1958-97
Ompompanoosuc River at Union Village, VT 130 1141500 9.78 2120 16 2-5 9.65 4800 1947 1940-89
Mink Brook near Etna, NH 4.6 1141800 2.23 43 9.3 lt 2 3.93 629 1986 1962-97
Ayers Brook at Randolph, VT 30.5 1142500 4.45 278 9.1 lt 2 10.37 2600 1973 1939-97
White River at West Hartford, VT 690 1144000 9.76 9000 13 lt 2 29.3 120000 1928 1915-97
Connecticut River at West Lebanon, NH 4092 1144500 12.59 24100 5.8 lt 2 35.0 136000 1928 1911-97
Mascoma River at West Canaan, NH 80.5 1145000 8.94 3780 1953 1939-78,
1985-97
Mascoma River at Mascoma, NH 153 1150500 5.17 1240 8.1 lt 2 7.5 5840 1936 1923-97
Ottauquechee River near West Bridgewater, VT 23.4 1150900 6.40 1310 56 5-10 7.33 1960 1997 1985-97
Ottauquechee River at North Hartland, VT 221 1151500 7.65 4350 20 2-5 17.68 24400 1938 1930-97
Sugar River at West Claremont, NH 269 1152500 4.69 2510 9.3 lt 2 10.92 14000 1936 1928-97
Black River at North Springfield, NH 158 1153000 17.68 15500 1938 1929-97
Williams River near Rockingham, VT 112 1153550 8.70 6290 56 5 10.59 11500 1987 1986-97
Connecticut River at North Walpole, NH 5493 1154500 17.38 38600 7.0 lt 2 30.3 97000 1953 1942-97
West River at Jamaica, VT 179 1155500 8.64 3870 22 lt 2 14.87 29500 1948 1946-89,
1995-97
West River bel Townshend Dam near Townshend, VT 282 1155910 7.88 5310 19 unk 8.89 8050 1996 1994-97
Ashuelot River bel Surry Dam near Keene, NH 101 1158000 7.84 799 7.9 lt 2 11.78 2260 1987 1945-97
Otter Brook below Otter Brook Dam nr Keene, NH 47.2 1158600 8.40 605 13 2-5 8.62 752 1987 1958-97
Ashuelot River at West Swanzey, NH 316 1160350 3.67 3620 1996 1994-97
Ashuelot River at Hinsdale, NH 420 1161000 7.54 5100 12 2-5 20.2 16600 1936 1907-11,
1914-97
Period
Station DA Station Peak Peak Peak RI Historical of Record
No. Stage cfs cfsm Yrs Stage discharge year
HUDSON RIVER BASIN Walloomsac River near North Bennington, VT 111 1334000 5.73 2080 19 lt 2 12.04 8450 1938 1931-97 ST. LAWRENCE RIVER BASIN
Poultney River below Fair Haven, VT 187 4280000 7.99 1470 7.9 lt 2 24.36 14800 1945 1928-97
Mettawee River near Pawlet, VT 70.2 4280350 3.67 717 10 lt 2 6.31 4480 1996 1984-97
Otter Creek at Center Rutland, VT 307 4282000 6.79 2820 9.2 lt 2 12.45 13700 1938 1928-97
Otter Creek at Middlebury, VT 628 4282500 4.10 2350 3.7 lt 2 a13.3 a13600 1927 1903-07,
1911-20,
1929-97
New Haven River at Brooksville nr Middlebury, VT 115 4282525 5.40 789 6.7 lt 2 10.92 9580 1996 1990-97
Little Otter Creek at Ferrisburg, VT 57.1 4282650 2.39 237 4.1 lt 2 5.17 2210 1996 1990-97
Lewis Creek at N. Ferrisburg, VT 77.2 4282780 2.83 206 2.7 lt 2 6.10 3230 1996 1990-97
LaPlatte River at Shelburne Falls, VT 44.6 4282795 2.20 97 2.2 lt 2 7.73 2640 1996 1990-97
North Branch Winooski River at Wrightsville, VT 69.2 4285500 6.53 2170 1934 1934-97
Winooski River at Montpelier, VT 397 4286000 5.74 1690 4.2 lt 2 a27.1 a57000 1928 1909-23,
1928-97
Dog River at Northfield Falls, VT 76.1 4287000 2.83 634 8.3 lt 2 11.57 10600 1973 1934-97
Mad River near Moretown, VT 139 4288000 5.40 1750 12 lt 2 a19.4 a23000 1928 1929-97
Little River near Waterbury, VT 111 4289000 --- --- -- -- 19.38 6520 1936 1936-97
Winooski River near Essex Junction, VT 1044 4290500 5.27 4950 4.7 lt 2 24.54 45300 1936 1929-97
Lamoille River at Johnson, VT 310 4292000 8.08 3300 11 lt 2 19.98 19000 1995 1912-97
Lamoille River at East Georgia, VT 686 4292500 6.55 4260 6.2 lt 2 12.4 23700 1982 1929-97
Stone Bridge Brook near Georgia Plains, VT 8.4 4292700 3.61 30 3.6 lt 2 8.59 1030 1996 1963-74,
1990-97
Missisquoi River near North Troy, VT 131 4293000 6.81 2520 19 lt 2 13.21 8290 1982 1931-97
Missisquoi River near East Berkshire, VT 479 4293500 5.65 2390 5.0 lt 2 17.45 45000 1927 1915-97
Missisquoi River at Swanton, VT 850 4294000 9.50 29000 1996 1990-97
Black River at Coventry, VT 122 4296000 7.91 3740 1976 1951-97
Clyde River at Newport, VT 142 4296500 5.76 3900 1936 1909-24,
1929-36,
1939-97
-- = no peak occurred ~ = approximately a = outside period of record. b = at site located .9 mi upstream (0108900) c = at site 0.3 mi downstream at different datum. cfs = cubic feet per second cfsm = cubic feet per second per square mile of drainage area DA = drainage area in square miles e = RI from 01156000 WEST RIVER AT NEWFANE, VT gt = greater than lt = less than RI = approximate recurrence interval in years Stage = water level in feet above gage zero unk = unkown Flooding in Northern New Hampshire and Vermont - JUN 14- 98 Back to NH-VT Water Science Center Home Page Generated with CERN WebMaker |
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U.S. Geological Survey
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03275, USA
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