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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 01:45 pm 36.37 0.5 288 4.23 868 822 18.47 75.5
May-16 12:45 pm 36.42 0.6 298 4.23 868 843 18.47 73.4
May-16 11:45 am 36.43 0.6 300 4.23 868 856 18.47 71.7
May-16 10:45 am 36.48 0.6 311 4.23 868 887 18.47 68.2
May-16 09:45 am 36.48 0.6 311 4.23 868 892 18.47 62.2
May-16 08:45 am 36.48 0.6 311 4.24 875 910 18.47 57.4
May-16 07:45 am 36.48 0.6 311 4.24 875 924 18.47 55.0
May-16 06:45 am 36.48 0.6 311 4.22 861 945 18.47 52.6
May-16 05:45 am 36.46 0.6 307 4.32 929 970 18.47 50.4
May-16 04:45 am 36.46 0.6 307 4.31 922 983 18.47 51.5
May-16 03:45 am 36.48 0.6 311 4.38 971 1,018 18.47 53.0
May-16 02:45 am 36.48 0.6 311 4.39 979 1,034 18.47 53.2
May-16 01:45 am 36.49 0.6 313 4.39 979 1,070 18.47 53.3
May-16 12:45 am 36.48 0.6 311 4.38 971 1,108 18.47 53.6
May-15 11:45 pm 36.46 0.6 307 4.59 1,131 1,125 18.47 53.0
May-15 10:45 pm 36.51 0.6 317 4.59 1,131 1,151 18.47 53.8
May-15 09:45 pm 36.52 0.6 319 4.58 1,123 1,165 18.47 55.2
May-15 08:45 pm 36.54 0.6 323 4.48 1,045 1,190 18.47 58.9
May-15 07:45 pm 36.48 0.6 311 4.42 1,000 1,208 18.47 61.7
May-15 06:45 pm 36.42 0.6 298 4.72 1,238 1,223 18.47 63.0
May-15 05:45 pm 36.48 0.6 311 4.93 1,416 1,252 18.47 62.8
May-15 04:45 pm 36.58 0.6 332 4.94 1,424 1,287 18.47 62.2
May-15 03:45 pm 36.67 0.7 351 4.93 1,416 1,329 18.47 63.7
May-15 02:45 pm 36.75 0.7 368 4.94 1,424 1,378 18.47 61.9
May-15 01:45 pm 36.81 0.7 380 4.93 1,416 1,423 18.47 60.3
Maximum 24 Hour Drawdown Rate (10 feet/day): 145 cfs + Inflow (822 cfs) = 967 cfs
Report Generated May 16, 2026 02:02 pm