Our new website can be found at: https://water.usace.army.mil/office/nae. All USACE water management offices will be moving under the national Access to Water domain in the near future. Please provide any comments to: NAE.RCC@usace.army.mil
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 July 10, 2026 07:48 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)
Jul-11 03:30 am 516.68 0.0 17 2.49 62 62 0.75
Jul-11 02:30 am 516.69 0.0 17 2.50 63 63 0.75
Jul-11 01:30 am 516.74 0.0 17 2.50 63 65 0.75
Jul-11 12:30 am 516.72 0.0 17 2.50 63 65 0.75
Jul-10 11:30 pm 516.68 0.0 17 2.50 63 63 0.75
Jul-10 10:30 pm 516.78 0.0 18 2.50 63 64 0.75
Jul-10 09:30 pm 516.73 0.0 17 2.51 65 65 0.75
Jul-10 08:30 pm 516.71 0.0 17 2.51 65 64 0.75
Jul-10 07:30 pm 516.69 0.0 17 2.51 65 63 0.75
Jul-10 06:30 pm 516.68 0.0 17 2.51 65 64 0.75
Jul-10 05:30 pm 516.72 0.0 17 2.51 65 65 0.75
Jul-10 04:30 pm 516.78 0.0 18 2.51 65 66 0.75
Jul-10 03:30 pm 516.72 0.0 17 2.51 65 65 0.75
Jul-10 02:30 pm 516.74 0.0 17 2.52 66 66 0.75
Jul-10 01:30 pm 516.76 0.0 18 2.52 66 66 0.75
Jul-10 12:30 pm 516.71 0.0 17 2.52 66 66 0.75
Jul-10 11:30 am 516.75 0.0 18 2.52 66 66 25.08
Jul-10 10:30 am 516.74 0.0 17 2.53 67 67 25.08
Jul-10 09:30 am 516.75 0.0 18 2.53 67 66 25.08
Jul-10 08:30 am 516.76 0.0 18 2.53 67 67 25.08
Jul-10 07:30 am 516.77 0.0 18 2.53 67 68 25.08
Jul-10 06:30 am 516.76 0.0 18 2.54 68 68 25.08
Jul-10 05:30 am 516.78 0.0 18 2.54 68 68 25.08
Jul-10 04:30 am 516.77 0.0 18 2.54 68 69 25.08
Jul-10 03:30 am 516.82 0.0 18 2.54 68 70 25.08
Maximum 24 Hour Drawdown Rate (10 feet/day): 8 cfs + Inflow (62 cfs) = 71 cfs
Report Generated July 11, 2026 04:16 am