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Knightville Dam, Westfield River

Knightville Dam, Westfield River
 Drainage Area: 162 sq. miles 
 Channel Capacity: 4,500 cfs 
 Storage at Spillway Crest: 5.69 in / 49,000 ac-ft  
 Normal Pool: 0 Feet (Summer), 35 Feet (Winter) 
 Gate Settings for May 11, 2026 11:51 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)
Air Temp
(F)
May-16 01:30 pm 3.06 0.0 22 3.47 258 274 19.26  
May-16 12:30 pm 3.07 0.0 22 3.48 262 279 19.26 71.6
May-16 11:30 am 3.08 0.0 22 3.48 262 283 19.26 69.1
May-16 10:30 am 3.09 0.0 23 3.53 286 286 19.26 66.3
May-16 09:30 am 3.11 0.0 23 3.51 276 287 19.26 62.2
May-16 08:30 am 3.13 0.0 23 3.52 281 289 19.26 55.4
May-16 07:30 am 3.16 0.0 23 3.54 291 290 19.26 47.4
May-16 06:30 am 3.17 0.0 23 3.54 291 291 19.26 44.9
May-16 05:30 am 3.20 0.0 23 3.54 291 293 19.26 45.0
May-16 04:30 am 3.23 0.0 24 3.54 291 295 19.26 46.0
May-16 03:30 am 3.26 0.0 24 3.54 291 298 19.26 46.8
May-16 02:30 am 3.27 0.0 24 3.54 291 300 19.26 47.8
May-16 01:30 am 3.29 0.0 24 3.55 296 304 19.26 48.9
May-16 12:30 am 3.31 0.0 24 3.55 296 307 19.26 50.3
May-15 11:30 pm 3.33 0.0 24 3.56 301 310 19.26 50.8
May-15 10:30 pm 3.36 0.0 25 3.58 311 312 19.26 51.1
May-15 09:30 pm 3.38 0.0 25 3.58 311 315 19.26 52.4
May-15 08:30 pm 3.41 0.0 25 3.57 306 318 19.26 53.9
May-15 07:30 pm 3.47 0.0 25 3.60 319 320 19.26 57.1
May-15 06:30 pm 3.47 0.0 25 3.60 319 322 19.26 59.0
May-15 05:30 pm 3.48 0.0 25 3.60 319 324 19.26 60.5
May-15 04:30 pm 3.53 0.0 26 3.61 322 328 19.26 59.2
May-15 03:30 pm 3.54 0.0 26 3.62 326 332 19.26 57.1
May-15 02:30 pm 3.56 0.0 26 3.62 326 336 19.21 59.2
May-15 01:30 pm 3.60 0.0 26 3.63 329 340 19.21 58.3
Maximum 24 Hour Drawdown Rate (15 feet/day): 11 cfs + Inflow (274 cfs) = 285 cfs
Report Generated May 16, 2026 01:33 pm