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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 06:45 pm             31.74  
Sep-04 05:45 pm 6.39 0.0 0 4.59 12 12 31.74 75.3
Sep-04 04:45 pm 6.39 0.0 0 4.59 12 12 31.74 76.9
Sep-04 03:45 pm 6.38 0.0 0 4.59 12 12 31.74 77.4
Sep-04 02:45 pm 6.38 0.0 0 4.59 12 12 31.74 78.6
Sep-04 01:45 pm 6.38 0.0 0 4.59 12 12 31.74 78.4
Sep-04 12:45 pm 6.38 0.0 0 4.59 12 12 31.74 77.1
Sep-04 11:45 am 6.39 0.0 0 4.59 12 12 31.74 76.5
Sep-04 10:45 am 6.39 0.0 0 4.59 12 12 31.74 72.4
Sep-04 09:45 am 6.39 0.0 0 4.59 12 12 31.74 66.4
Sep-04 08:45 am 6.39 0.0 0 4.59 12 12 31.74 60.9
Sep-04 07:45 am 6.39 0.0 0 4.59 12 12 31.74 59.5
Sep-04 06:45 am 6.39 0.0 0 4.59 12 12 31.74 59.4
Sep-04 05:45 am 6.39 0.0 0 4.59 12 12 31.74 60.3
Sep-04 04:45 am 6.39 0.0 0 4.59 12 12 31.74 60.7
Sep-04 03:45 am 6.39 0.0 0 4.59 12 12 31.74 61.5
Sep-04 02:45 am 6.39 0.0 0 4.59 12 11 31.74 62.4
Sep-04 01:45 am 6.39 0.0 0 4.59 12 11 31.74 63.3
Sep-04 12:45 am 6.39 0.0 0 4.59 12 11 31.74 64.6
Sep-03 11:45 pm 6.39 0.0 0 4.59 10 10 31.74 66.3
Sep-03 10:45 pm 6.39 0.0 0 4.59 10 10 31.74 66.7
Sep-03 09:45 pm 6.39 0.0 0 4.59 10 10 31.74 68.4
Sep-03 08:45 pm 6.39 0.0 0 4.59 10 10 31.74 69.7
Sep-03 07:45 pm 6.39 0.0 0 4.59 10 10 31.74 70.5
Sep-03 06:45 pm 6.39 0.0 0 4.59 10 11 31.74 73.1
Maximum 24 Hour Drawdown Rate (5 feet/day): 0 cfs + Inflow (12 cfs) = 12 cfs
Report Generated September 04, 2026 07:04 pm