Mansfield Hollow Dam, Natchaug River

Mansfield Hollow Dam, Natchaug River
 Drainage Area: 159 sq. miles 
 Channel Capacity: 2,900 cfs 
 Storage at Spillway Crest: 5.8 in / 52,000 ac-ft  
 Normal Pool: 16.5 Feet (Summer), 15 Feet (Winter), 18.5 Feet (Spring) 
 Gate Settings for February 07, 2025 07:00 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  4.0 0.5 0.0 0.0 0.0      
Date Time (EDT) Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Inflow Test
(cfs)
Precip
(in)
Air Temp
(F)
Feb-09 08:00 am             92    
Feb-09 07:00 am 17.03 0.4 3,014 2.01 114 117 90 12.28 28.2
Feb-09 06:00 am 17.03 0.4 3,014 2.01 114 117 88 12.28 28.0
Feb-09 05:00 am 17.03 0.4 3,014 2.03 117 127 88 12.28 27.9
Feb-09 04:00 am 17.04 0.4 3,019 2.03 117 135 87 12.27 28.2
Feb-09 03:00 am 17.04 0.4 3,019 2.04 119 134 85 12.27 27.5
Feb-09 02:00 am 17.04 0.4 3,019 2.03 117 133 84 12.26 27.4
Feb-09 01:00 am 17.03 0.4 3,014 2.04 119 122 82 12.24 27.2
Feb-09 12:00 am 17.03 0.4 3,014 2.01 114 121 80 12.22 27.7
Feb-08 11:00 pm 17.02 0.4 3,010 1.99 111 111 82 12.19 28.1
Feb-08 10:00 pm 17.02 0.4 3,010 1.99 111 111 82 12.18 30.6
Feb-08 09:00 pm 17.02 0.4 3,010 1.99 111 111 82 12.18 31.6
Feb-08 08:00 pm 17.02 0.4 3,010 1.99 111 111 83 12.18 31.8
Feb-08 07:00 pm 17.02 0.4 3,010 1.99 111 111 84 12.18 32.6
Feb-08 06:00 pm 17.02 0.4 3,010 1.99 111 111 86 12.18 33.0
Feb-08 05:00 pm 17.02 0.4 3,010 1.99 111 111 87 12.18 33.8
Feb-08 04:00 pm 17.02 0.4 3,010 1.98 110 102 87 12.18 34.7
Feb-08 03:00 pm 17.02 0.4 3,010 2.00 113 102 89 12.18 34.4
Feb-08 02:00 pm 17.02 0.4 3,010 1.99 111 102 88 12.18 35.1
Feb-08 01:00 pm 17.02 0.4 3,010 1.99 111 93 88 12.18 35.1
Feb-08 12:00 pm 17.02 0.4 3,010 1.99 111 93 91 12.18 34.1
Feb-08 11:00 am 17.02 0.4 3,010 2.00 113 93 92 12.18 32.1
Feb-08 10:00 am 17.03 0.4 3,014 1.99 111 103 87 12.18 30.0
Feb-08 09:00 am 17.03 0.4 3,014 2.00 113 103 94 12.18 27.8
Feb-08 08:00 am 17.03 0.4 3,014 2.00 113 104 91 12.18 22.9
Maximum 24 Hour Drawdown Rate (5 feet/day): 981 cfs + Inflow (92 cfs) = 1,073 cfs
Report Generated February 09, 2025 01:34 pm