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Blackwater Dam, Blackwater River
Blackwater Dam, Blackwater River
 Drainage Area: 128 sq. miles 
 Channel Capacity: 2,300 cfs 
 Storage at Spillway Crest: 6.74 in / 46,000 ac-ft  
 Normal Pool: 516 Feet NGVD 
 Gate Settings for September 11, 2026 07:55 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  4.0 4.0 4.0          
Date Time
(Eastern)		 Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Tailwater
(ft)		 Flow
(cfs)		 Inflow
(cfs)		 Precip
(in)
Sep-13 03:30 pm 515.75 0.0 8 2.22 36 38 29.39
Sep-13 02:30 pm 515.61 0.0 6 2.21 35 34 29.33
Sep-13 01:30 pm 515.54 0.0 5 2.17 32 30 28.81
Sep-13 12:30 pm 515.46 0.0 5 2.16 32 29 28.58
Sep-13 11:30 am 515.46 0.0 5 2.16 32 29 28.58
Sep-13 10:30 am 515.46 0.0 5 2.16 32 31 28.58
Sep-13 09:30 am 515.47 0.0 5 2.16 32 30 28.58
Sep-13 08:30 am 515.51 0.0 5 2.16 32 29 28.58
Sep-13 07:30 am 515.61 0.0 6 2.15 31 33 28.58
Sep-13 06:30 am 515.60 0.0 6 2.14 30 32 28.49
Sep-13 05:30 am 515.57 0.0 6 2.13 30 31 28.36
Sep-13 04:30 am 515.46 0.0 5 2.11 28 28 28.05
Sep-13 03:30 am 515.50 0.0 5 2.10 28 29 28.05
Sep-13 02:30 am 515.53 0.0 5 2.10 28 29 28.04
Sep-13 01:30 am 515.42 0.0 4 2.09 27 27 27.94
Sep-13 12:30 am 515.43 0.0 4 2.09 27 27 27.90
Sep-12 11:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 10:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 09:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 08:30 pm 515.42 0.0 4 2.09 27 27 27.90
Sep-12 07:30 pm 515.42 0.0 4 2.09 27 27 27.90
Sep-12 06:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 05:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 04:30 pm 515.43 0.0 4 2.09 27 27 27.90
Sep-12 03:30 pm 515.43 0.0 4 2.09 27 26 27.90
Maximum 24 Hour Drawdown Rate (10 feet/day): 4 cfs + Inflow (38 cfs) = 42 cfs
Report Generated September 13, 2026 04:08 pm