New England District Corps of Engineers
Projects
March 23, 2023 04:39 PM
Legend: Pool >50% Full Spillway Discharge (pool stage > spillway)
  Storage Flow Rainfall Pool
Project Drain.
Area
( mi2 )
Date/Time Pool
(ft)
6 Hr Change
(ft)
24 Hr Pred.
Stage
(ft)
% Runoff
Remaining
(in)
Outflow
(cfs)
Inflow
(cfs)
24hr
(in)
48hr
(in)
7-Day
(in)
Normal Spillway
MERRIMACK RIVER BASIN
Basin Regulator: Laura Fraser
Franklin Falls Dam 1000 23 MAR 04:30 pm 307.68 .18 n/a 0 2.81 n/a n/a .04 .04 .04 307 389
Blackwater Dam 128 23 MAR 03:30 pm 520.00 .13 519.6 0 6.73 331 327 .02 .02 .02 516 566
Edward Macdowell Dam 44 23 MAR 03:30 pm 912.58 .08 912.9 3 5.30 121 144 .01 .01 .01 912 946
Hopkinton Dam 426 23 MAR 04:30 pm 383.31 -.18 n/a 1 6.45 n/a n/a .02 .02 .02 380 416
Everett Dam 64 23 MAR 04:30 pm 342.22 .06 342.4 0 6.79 231 245 .04 .04 .04 340.5 418


New England District Corps of Engineers
River Gages
March 23, 2023 04:39 PM
Legend: Warning Stage Flood Stage
Gage Drainage
Area
( mi2 )
Date/Time Stage
(ft)
Q
(cfs)
6 Hour
Change
Stage (ft)
6 Hour
Change
Flow (cfs)
CSM
Q/DA
Warning
Flow
Warning
Stage
Flood
Flow
Flood
Stage
MERRIMACK RIVER BASIN
Basin Regulator: Laura Fraser
E.B. Pemigewasset River @ Lincoln, Nh 115 23 MAR 04:15 pm 3.85 111 .02 4 1.0 n/a n/a n/a n/a
Pemigewasset River @ Woodstock, Nh 193 23 MAR 04:00 pm 2.77 234 .04 14 1.2 4790 7 9750 9
Pemigewasset River @ Plymouth, Nh 622 23 MAR 04:00 pm 1.47 1,029 .01 12 1.7 9400 8 18280 13
Baker River @ Rumney, Nh 143 23 MAR 03:30 pm 1.48 276 .01 4 1.9 2750 5.3 6910 9.8
Smith River @ Bristol, Nh 86 23 MAR 03:30 pm 3.48 224 .04 11 2.6 1540 6.5 2390 8
Winnipesaukee River @ Tilton, Nh 471 23 MAR 03:30 pm 3.38 594 .00 0 1.3 3020 7 3450 7.5
Merrimack River @ Franklin Jct, Nh 1507 23 MAR 04:00 pm 5.76 2,562 .18 254 1.7 15980 13 18180 14
Merrimack River @ Concord, Nh 2385 23 MAR 03:30 pm 4.72 4,940 .04 80 2.1 18000 10 30200 13.7
Merrimack River @ Goffs Falls, Nh 3092 23 MAR 04:30 pm 5.84 7,075 .12 411 2.3 36450 12 46200 14
Merrimack River @ Nashua, Nh 3982 23 MAR 04:30 pm 6.42 n/a .10 n/a n/a n/a 16 n/a 18
Merrimack River @ Lowell, Ma 4635 23 MAR 03:30 pm 45.40 12,819 .09 365 2.8 29900 49 46050 52
Merrimack River @ Haverhill, Ma 4900 23 MAR 04:15 pm 7.57 n/a 3.78 n/a n/a n/a n/a n/a n/a
Contoocook River @ Peterborough, Nh 68 23 MAR 03:30 pm 2.53 252 .02 6 3.7 660 3.5 2680 6
Contoocook River @ Henniker, Nh 368 23 MAR 03:45 pm 7.72 1,168 .09 59 3.2 2230 9 6170 11.5
Contoocook River @ Riverhill, Nh 760 23 MAR 03:30 pm 10.99 426 .02 7 .6 5640 14.7 12000 18
Warner River @ Davisville, Nh 146 23 MAR 03:30 pm 5.26 459 .05 20 3.1 1140 6.5 2340 8
Piscataquog River @ Goffstown, Nh 202 23 MAR 03:30 pm 5.75 981 .14 102 4.9 1160 6 3580 8.5
Souhegan River @ Souhegan, Nh 171 23 MAR 03:30 pm 4.46 807 .04 23 4.7 2280 6.5 5000 9
Nashua River @ East Pepperell, Ma 316 23 MAR 03:30 pm 3.83 1,321 .21 133 4.2 3000 6.5 4300 8
Concord River @ Lowell, Ma 400 23 MAR 04:30 pm 6.70 1,730 -.02 -19 4.3 2580 7.5 3190 8
Shawsheen River @ Wilmington, Ma 37 23 MAR 03:30 pm 3.24 84 -.01 -0 2.3 240 5 620 7
Spicket River @ Methuen, Ma 62 23 MAR 04:30 pm 4.61 158 -.11 -16 2.5 510 6.5 860 8