PISCATAQUA RIVER BASIN
01072100 SALMON FALLS RIVER AT MILTON, NH
LOCATION.--Lat 43°24'48", long 70°59'15", Strafford County, Hydrologic Unit 01060003, on right bank, 200 ft downstream
from Milton Pond Dam at Milton.
DRAINAGE AREA.--108 mi².
PERIOD OF RECORD.--Discharge records: October 1968 to current year.
GAGE.--Water-stage recorder and concrete control. Elevation of gage is 405 ft above sea level, from topographic map.
REMARKS.--Records good except for October 21-26, December 2-4, and April 19-21 which are fair. Flow regulated by Great
East and Lovell Lakes and Horn, Wilson, and Milton (also controls Northeast and Town House) Ponds. These
reservoirs have a combined usable capacity of about 1.28 billion ft³.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, 2,550 ft³/s, October 22, gage height, 5.97 ft; minimum daily discharge
29 ft³/s, October 1-6, June 15, August 19-21.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 29 335 210 409 183 392 643 439 111 47 35 37
2 29 318 499 382 176 388 532 407 114 48 35 36
3 29 300 833 378 173 412 394 367 118 49 34 36
4 29 285 588 354 166 400 374 356 119 50 33 35
5 29 276 410 344 179 348 473 331 117 50 32 35
6 29 274 391 354 174 351 562 316 98 50 32 35
7 31 282 352 355 178 342 622 310 84 48 31 35
8 50 353 360 310 174 302 709 290 84 47 31 33
9 90 384 361 271 165 272 661 270 83 47 31 33
10 109 400 327 286 158 260 540 264 83 48 30 33
11 121 399 297 264 150 267 447 271 57 48 30 33
12 119 380 301 244 144 253 389 210 38 48 30 36
13 115 352 329 233 139 218 422 189 37 48 30 42
14 115 328 352 220 137 203 472 198 34 49 30 44
15 104 309 353 209 139 204 460 201 29 122 30 44
16 141 287 410 220 139 189 411 145 37 251 30 43
17 181 270 478 251 137 188 380 98 40 290 30 42
18 191 254 775 253 133 181 435 142 40 251 30 41
19 202 237 894 231 132 168 1670 172 47 197 29 41
20 205 225 901 208 143 161 1850 209 57 162 29 41
21 1010 216 810 192 158 157 1230 231 59 143 29 40
22 2390 207 650 180 196 157 914 230 59 84 31 40
23 1810 199 540 181 309 153 768 209 57 48 34 39
24 1160 196 483 185 390 150 660 190 54 47 34 39
25 767 184 595 203 369 148 575 180 51 46 34 39
26 578 184 682 207 310 157 515 175 50 43 34 39
27 510 211 615 199 290 201 457 160 51 41 34 39
28 458 224 527 214 341 250 467 129 49 41 34 38
29 413 218 472 208 --- 310 488 111 48 40 35 38
30 376 207 498 194 --- 396 462 110 47 37 36 38
31 354 --- 490 184 --- 603 --- 110 --- 36 36 ---
TOTAL 11774 8294 15783 7923 5482 8181 18982 7020 1952 2556 993 1144
MEAN 380 276 509 256 196 264 633 226 65.1 82.5 32.0 38.1
MAX 2390 400 901 409 390 603 1850 439 119 290 36 44
MIN 29 184 210 180 132 148 374 98 29 36 29 33
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1969 - 1997, BY WATER YEAR (WY)
MEAN 176 199 234 183 193 306 444 229 120 65.9 61.5 77.3
MAX 499 487 604 384 439 720 908 431 453 181 165 145
(WY) 1978 1996 1984 1978 1970 1979 1969 1984 1984 1996 1982 1981
MIN 81.4 77.9 40.5 59.7 60.8 108 103 55.4 40.4 26.1 24.9 22.3
(WY) 1969 1987 1979 1977 1977 1993 1985 1985 1985 1991 1993 1993
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1969 - 1997
ANNUAL TOTAL 100720 90084
ANNUAL MEAN 275 247 191
HIGHEST ANNUAL MEAN 307 1984
LOWEST ANNUAL MEAN 98.6 1985
HIGHEST DAILY MEAN 2390 Oct 22 2390 Oct 22 3220 Mar 15 1977
LOWEST DAILY MEAN 27 Sep 3 a 29 Oct 1 18 Sep 16 1995
ANNUAL SEVEN-DAY MINIMUM 29 Sep 3 29 Oct 1 20 Sep 24 1993
INSTANTANEOUS PEAK FLOW 2550 Oct 22 4000 Apr 6 1984
INSTANTANEOUS PEAK STAGE 5.97 Oct 22 6.70 Apr 6 1984
10 PERCENT EXCEEDS 568 498 404
50 PERCENT EXCEEDS 209 188 135
90 PERCENT EXCEEDS 33 34 38
a Also occurred October 2-6, June, 15, August, 19-21.
e Estimated.
Back to station selections
Back to District Home Page
To WRD National Home Page
To USGS National Home Page
Comments and suggestions can be sent to
NH-VT Webmaster