North Hartland Dam, Ottauquechee River

North Hartland Dam, Ottauquechee River
 Drainage Area: 220 sq. miles 
 Channel Capacity: 6,000 cfs 
 Storage at Spillway Crest: 5.86 in / 68,750 ac-ft  
 Normal Pool: 35 Feet 
 Gate Settings for July 17, 2025 07:00 am Gate 1 Gate 2 Gate 3 Hydro Pos. Bypass Gate 6 Gate 7 Gate 8
  10.0 10.0 10.0 1 0.1      
Date Time
(Eastern)
Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Jul-17 09:00 am 36.38 0.6 290 1.98 66 77 25.49 80.6
Jul-17 08:00 am 36.37 0.5 288 2.01 69 82 25.49 78.8
Jul-17 07:00 am 36.39 0.6 292 2.07 76 81 25.49 76.9
Jul-17 06:00 am 36.39 0.6 292 2.03 72 82 25.49 73.4
Jul-17 05:00 am 36.39 0.6 292 2.17 90 86 25.49 71.9
Jul-17 04:00 am 36.39 0.6 292 2.09 79 86 25.49 71.8
Jul-17 03:00 am 36.39 0.6 292 2.07 76 84 25.49 72.0
Jul-17 02:00 am 36.37 0.5 288 1.96 64 89 25.49 72.7
Jul-17 01:00 am 36.39 0.6 292 2.10 80 88 25.49 73.7
Jul-17 12:00 am 36.39 0.6 292 2.18 91 96 25.49 75.0
Jul-16 11:00 pm 36.39 0.6 292 2.00 68 86 25.49 76.3
Jul-16 10:00 pm 36.39 0.6 292 2.04 73 88 25.49 78.7
Jul-16 09:00 pm 36.39 0.6 292 2.27 105 98 25.49 81.1
Jul-16 08:00 pm 36.37 0.5 288 2.19 93 88 25.49 87.7
Jul-16 07:00 pm 36.39 0.6 292 2.07 76 86 25.49 97.2
Jul-16 06:00 pm 36.37 0.5 288 2.00 68 79 25.49 96.3
Jul-16 05:00 pm 36.39 0.6 292 1.95 62 87 25.49 95.6
Jul-16 04:00 pm 36.39 0.6 292 2.13 84 85 25.49 95.0
Jul-16 03:00 pm 36.37 0.5 288 1.91 58 78 25.49 93.8
Jul-16 02:00 pm 36.36 0.5 286 2.52 150 75 25.49 92.6
Jul-16 01:00 pm 36.39 0.6 292 2.10 80 84 25.49 92.1
Jul-16 12:00 pm 36.39 0.6 292 2.11 82 86 25.49 89.3
Jul-16 11:00 am 36.39 0.6 292 2.14 86 95 25.49 86.4
Jul-16 10:00 am 36.39 0.6 292 2.06 75 86 25.49 79.5
Jul-16 09:00 am 36.39 0.6 292 2.12 83 86 25.49 75.4
Maximum 24 Hour Drawdown Rate (10 feet/day): 146 cfs + Inflow (77 cfs) = 223 cfs
Report Generated July 17, 2025 09:11 am