Black Rock Dam, Branch Brook

Black Rock Dam, Branch Brook
 Drainage Area: 20 sq. miles 
 Channel Capacity: 800 cfs 
 Storage at Spillway Crest: 7.8 in / 8,450 ac-ft  
 Normal Pool: 27 Feet 
 Gate Settings for June 20, 2025 07:00 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  3.0 0.0            
Date Time
(Eastern)
Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Jun-20 08:30 pm 27.15 0.0 4 1.42 5 4 29.98 73.8
Jun-20 07:30 pm 27.15 0.0 4 1.42 5 4 29.98 81.3
Jun-20 06:30 pm 27.17 0.1 4 1.42 5 5 29.98 82.4
Jun-20 05:30 pm 27.17 0.1 4 1.42 5 6 29.98 82.1
Jun-20 04:30 pm 27.17 0.1 4 1.42 5 6 29.98 80.9
Jun-20 03:30 pm 27.17 0.1 4 1.42 5 6 29.98 79.8
Jun-20 02:30 pm 27.17 0.1 4 1.42 5 6 29.98 78.8
Jun-20 01:30 pm 27.17 0.1 4 1.42 5 6 29.98 76.7
Jun-20 12:30 pm 27.17 0.1 4 1.41 5 6 29.98 75.5
Jun-20 11:30 am 27.15 0.0 4 1.41 5 5 29.98 74.3
Jun-20 10:30 am 27.15 0.0 4 1.41 5 5 29.98 73.6
Jun-20 09:30 am 27.15 0.0 4 1.41 5 5 29.98 72.1
Jun-20 08:30 am 27.15 0.0 4 1.41 5 5 29.98 70.9
Jun-20 07:30 am 27.15 0.0 4 1.41 5 5 29.98 67.7
Jun-20 06:30 am 27.15 0.0 4 1.41 5 5 29.98 66.9
Jun-20 05:30 am 27.15 0.0 4 1.41 5 5 29.98 66.5
Jun-20 04:30 am 27.15 0.0 4 1.41 5 5 29.98 68.0
Jun-20 03:30 am 27.15 0.0 4 1.41 5 5 29.98 70.4
Jun-20 02:30 am 27.14 0.0 3 1.41 5 5 29.98 71.1
Jun-20 01:30 am 27.14 0.0 3 1.41 5 5 29.98 70.4
Jun-20 12:30 am 27.14 0.0 3 1.41 5 5 29.98 71.7
Jun-19 11:30 pm 27.14 0.0 3 1.41 5 5 29.98 72.8
Jun-19 10:30 pm 27.14 0.0 3 1.41 5 4 29.98 73.4
Jun-19 09:30 pm 27.14 0.0 3 1.41 5 5 29.98 75.4
Jun-19 08:30 pm 27.14 0.0 3 1.41 5 5 29.97 77.7
Maximum 24 Hour Drawdown Rate (10 feet/day): 2 cfs + Inflow (4 cfs) = 6 cfs
Report Generated June 21, 2025 01:00 am