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 April 18, 2025 09:30 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.0 1.0 1.0          
Date Time
(Eastern)
Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Apr-19 09:30 am 534.86 3.9 1,806 3.31 178 296 21.01
Apr-19 08:30 am 534.77 3.9 1,785 3.38 191 292 21.01
Apr-19 07:30 am 534.75 3.9 1,780 3.38 191 297 21.01
Apr-19 06:30 am 534.67 3.8 1,761 3.38 191 272 21.01
Apr-19 05:30 am 534.71 3.9 1,770 3.38 191 311 21.01
Apr-19 04:30 am 534.67 3.8 1,761 3.38 191 306 21.01
Apr-19 03:30 am 534.64 3.8 1,754 3.38 191 305 21.01
Apr-19 02:30 am 534.56 3.8 1,734 3.38 191 266 21.01
Apr-19 01:30 am 534.53 3.8 1,727 3.37 189 305 21.01
Apr-19 12:30 am 534.50 3.8 1,720 3.37 189 286 21.01
Apr-18 11:30 pm 534.46 3.7 1,710 3.37 189 300 21.01
Apr-18 10:30 pm 534.43 3.7 1,703 3.37 189 339 21.01
Apr-18 09:30 pm 534.40 3.7 1,696 3.37 189 314 21.01
Apr-18 08:30 pm 534.40 3.7 1,696 3.37 189 353 21.01
Apr-18 07:30 pm 534.29 3.6 1,670 3.37 189 342 21.01
Apr-18 06:30 pm 534.30 3.7 1,672 3.37 189 364 21.01
Apr-18 05:30 pm 534.23 3.6 1,655 3.37 189 339 21.01
Apr-18 04:30 pm 534.12 3.6 1,629 3.36 187 334 21.01
Apr-18 03:30 pm 534.14 3.6 1,634 3.36 187 385 21.01
Apr-18 02:30 pm 534.06 3.5 1,614 3.37 189 372 21.01
Apr-18 01:30 pm 533.97 3.5 1,594 3.37 189 358 21.01
Apr-18 12:30 pm 533.93 3.5 1,585 3.38 191 349 21.01
Apr-18 11:30 am 533.91 3.5 1,581 3.46 206 365 21.01
Apr-18 10:30 am 533.81 3.4 1,560 3.67 254 367 21.01
Apr-18 09:30 am 533.74 3.4 1,545 3.70 261 333 21.01
Maximum 24 Hour Drawdown Rate (10 feet/day): 747 cfs + Inflow (296 cfs) = 1,044 cfs
Report Generated April 19, 2025 10:15 am