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Surry Mountain Dam, Ashuelot River
Surry Mountain Dam, Ashuelot River
 Drainage Area: 100 sq. miles 
 Channel Capacity: 1,250 cfs 
 Storage at Spillway Crest: 5.94 in / 31,694 ac-ft  
 Normal Pool: 15 Feet (Summer), 18 Feet (Winter) 
 Gate Settings for September 04, 2026 07:43 am Gate 1 Gate 2 E. Gate Loc. E. Gate Pos. Gate 5 Gate 6 Gate 7 Gate 8
  2.0 2.0 1          
Date Time
(Eastern)		 Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Tailwater
(ft)		 Flow
(cfs)		 Inflow
(cfs)		 Precip
(in)		 Air Temp
(F)
Sep-04 07:15 pm             31.74  
Sep-04 06:15 pm 6.39 0.0 0 4.59 12 12 31.74 74.1
Sep-04 05:15 pm 6.39 0.0 0 4.59 12 12 31.74 76.4
Sep-04 04:15 pm 6.38 0.0 0 4.59 12 12 31.74 76.8
Sep-04 03:15 pm 6.38 0.0 0 4.59 12 12 31.74 78.0
Sep-04 02:15 pm 6.38 0.0 0 4.59 12 12 31.74 78.5
Sep-04 01:15 pm 6.38 0.0 0 4.59 12 12 31.74 77.9
Sep-04 12:15 pm 6.38 0.0 0 4.59 12 12 31.74 77.3
Sep-04 11:15 am 6.39 0.0 0 4.59 12 12 31.74 75.4
Sep-04 10:15 am 6.39 0.0 0 4.59 12 12 31.74 69.5
Sep-04 09:15 am 6.39 0.0 0 4.59 12 12 31.74 63.0
Sep-04 08:15 am 6.39 0.0 0 4.59 12 12 31.74 60.2
Sep-04 07:15 am 6.39 0.0 0 4.59 12 12 31.74 59.3
Sep-04 06:15 am 6.39 0.0 0 4.59 12 12 31.74 59.9
Sep-04 05:15 am 6.39 0.0 0 4.59 12 12 31.74 60.9
Sep-04 04:15 am 6.39 0.0 0 4.59 12 12 31.74 60.5
Sep-04 03:15 am 6.39 0.0 0 4.59 12 11 31.74 62.5
Sep-04 02:15 am 6.39 0.0 0 4.59 12 11 31.74 62.8
Sep-04 01:15 am 6.39 0.0 0 4.59 12 11 31.74 63.8
Sep-04 12:15 am 6.39 0.0 0 4.59 10 10 31.74 65.3
Sep-03 11:15 pm 6.39 0.0 0 4.59 10 10 31.74 66.4
Sep-03 10:15 pm 6.39 0.0 0 4.59 10 10 31.74 67.8
Sep-03 09:15 pm 6.39 0.0 0 4.59 10 10 31.74 68.6
Sep-03 08:15 pm 6.39 0.0 0 4.59 10 10 31.74 70.3
Sep-03 07:15 pm 6.39 0.0 0 4.59 10 10 31.74 71.9
Maximum 24 Hour Drawdown Rate (5 feet/day): 0 cfs + Inflow (12 cfs) = 12 cfs
Report Generated September 04, 2026 07:27 pm