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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 May 15, 2026 07:18 am Gate 1 Gate 2 Gate 3 Hydro Pos. Bypass Gate 6 Gate 7 Gate 8
  10.0 10.0 10.0 3        
Date Time
(Eastern)		 Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Tailwater
(ft)		 Flow
(cfs)		 Inflow
(cfs)		 Precip
(in)		 Air Temp
(F)
May-16 02:15 pm 36.34 0.5 281 4.22 861 805 18.47 77.7
May-16 01:15 pm 36.39 0.6 292 4.24 875 831 18.47 75.0
May-16 12:15 pm 36.41 0.6 296 4.23 868 839 18.47 71.9
May-16 11:15 am 36.45 0.6 305 4.22 861 869 18.47 69.0
May-16 10:15 am 36.48 0.6 311 4.23 868 892 18.47 66.2
May-16 09:15 am 36.48 0.6 311 4.23 868 901 18.47 61.1
May-16 08:15 am 36.49 0.6 313 4.23 868 919 18.47 54.2
May-16 07:15 am 36.48 0.6 311 4.23 868 936 18.47 51.5
May-16 06:15 am 36.48 0.6 311 4.24 875 963 18.47 51.5
May-16 05:15 am 36.46 0.6 307 4.31 922 978 18.47 50.3
May-16 04:15 am 36.46 0.6 307 4.38 971 996 18.47 52.5
May-16 03:15 am 36.48 0.6 311 4.38 971 1,022 18.47 53.4
May-16 02:15 am 36.49 0.6 313 4.38 971 1,055 18.47 53.3
May-16 01:15 am 36.48 0.6 311 4.39 979 1,090 18.47 53.5
May-16 12:15 am 36.46 0.6 307 4.47 1,038 1,111 18.47 53.1
May-15 11:15 pm 36.48 0.6 311 4.59 1,131 1,132 18.47 53.4
May-15 10:15 pm 36.52 0.6 319 4.59 1,131 1,159 18.47 53.9
May-15 09:15 pm 36.54 0.6 323 4.59 1,131 1,177 18.47 57.4
May-15 08:15 pm 36.51 0.6 317 4.41 993 1,198 18.47 60.1
May-15 07:15 pm 36.43 0.6 300 4.55 1,099 1,208 18.47 62.3
May-15 06:15 pm 36.45 0.6 305 4.85 1,348 1,240 18.47 64.7
May-15 05:15 pm 36.54 0.6 323 4.93 1,416 1,269 18.47 62.8
May-15 04:15 pm 36.63 0.7 342 4.93 1,416 1,310 18.47 63.4
May-15 03:15 pm 36.72 0.7 361 4.94 1,424 1,360 18.47 60.7
May-15 02:15 pm 36.78 0.7 374 4.95 1,433 1,402 18.47 62.0
Maximum 24 Hour Drawdown Rate (10 feet/day): 142 cfs + Inflow (805 cfs) = 947 cfs
Report Generated May 16, 2026 06:19 pm