Franklin Falls Dam, Pemigewasset River

Franklin Falls Dam, Pemigewasset River
 Drainage Area: 1,000 sq. miles 
 Channel Capacity: 18,000 cfs 
 Storage at Spillway Crest: 2.82 in / 150,600 ac-ft  
 Normal Pool: 307 Feet NGVD 
 Gate Settings for May 12, 2025 01:00 pm Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Date Time (EDT) Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
May-13 05:30 am           24.75  
May-13 04:30 am 318.47 5.2 7,276 8,921 5,939 24.75 51.5
May-13 03:30 am 318.82 5.4 7,556 9,132 6,068 24.75 51.0
May-13 02:30 am 319.18 5.6 7,844 9,278 6,217 24.75 52.3
May-13 01:30 am 319.55 5.8 8,140 9,699 6,342 24.75 53.9
May-13 12:30 am 319.91 6.0 8,428 9,779 6,399 24.75 55.6
May-12 11:30 pm 320.26 6.1 8,734 10,042 6,497 24.75 58.8
May-12 10:30 pm 320.62 6.3 9,058 10,232   24.75 62.5
May-12 09:30 pm 320.98 6.5 9,382 10,415 6,649 24.75 68.2
May-12 08:30 pm 321.34 6.7 9,706 10,661 6,682 24.75 70.4
May-12 07:30 pm 321.72 6.9 10,048 10,853 6,647 24.75 81.0
May-12 06:30 pm 322.12 7.1 10,414 11,149 6,614 24.75 83.4
May-12 05:30 pm 322.52 7.3 10,794 11,343 6,560 24.75 84.6
May-12 04:30 pm 322.92 7.5 11,174 11,370 6,606 24.75 83.1
May-12 03:30 pm 323.34 7.7 11,573 11,551 6,577 24.75 81.2
May-12 02:30 pm 323.76 7.9 11,972 11,983 6,609 24.75 79.3
May-12 01:30 pm 324.19 8.2 12,419 11,501 6,765 24.75 76.9
May-12 12:30 pm 324.55 8.6 12,833 10,219 6,886 24.75 74.4
May-12 11:30 am 324.84 8.8 13,166 10,402 7,021 24.75 71.1
May-12 10:30 am 325.09 9.1 13,454 10,484   24.75 65.4
May-12 09:30 am 325.37 9.4 13,776 10,586 7,214 24.75 57.2
May-12 08:30 am 325.64 9.6 14,086 10,927 7,353 24.75 50.5
May-12 07:30 am 325.90 9.9 14,385 10,975 7,448 24.75 45.3
May-12 06:30 am 326.16 10.1 14,708 11,106 7,647 24.75 43.1
May-12 05:30 am 326.41 10.2 15,033 11,079 7,857 24.75 41.8
Maximum 24 Hour Drawdown Rate (15 feet/day): 3,669 cfs + Inflow (5,939 cfs) = 9,608 cfs
Report Generated May 13, 2025 05:37 am