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Blackstone River @ Woonsocket, Ri
Blackstone River at Woonsocket
 Total Drainage Area: 416 sq. miles 
 Drainage Area Controlled by Corps Dams: 28 sq. miles (7%) 
 Warning Flow/Stage: 4,400 cfs / 7.0 feet 
 Flood Flow/Stage: 6,670 cfs / 9.0 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
Aug-09 08:30 am 1.55 322 .8
Aug-09 07:30 am 1.57 329 .8
Aug-09 06:30 am 1.58 332 .8
Aug-09 05:30 am 1.61 342 .8
Aug-09 04:30 am 1.63 348 .8
Aug-09 03:30 am 1.65 355 .9
Aug-09 02:30 am 1.69 369 .9
Aug-09 01:30 am 1.72 379 .9
Aug-09 12:30 am 1.76 393 1.0
Aug-08 11:30 pm 1.80 408 1.0
Aug-08 10:30 pm 1.84 422 1.0
Aug-08 09:30 pm 1.88 437 1.1
Aug-08 08:30 pm 1.91 449 1.1
Aug-08 07:30 pm 1.92 452 1.1
Aug-08 06:30 pm 1.92 452 1.1
Aug-08 05:30 pm 1.88 437 1.1
Aug-08 04:30 pm 1.79 404 1.0
Aug-08 03:30 pm 1.68 365 .9
Aug-08 02:30 pm 1.56 325 .8
Aug-08 01:30 pm 1.47 297 .7
Aug-08 12:30 pm 1.42 282 .7
Aug-08 11:30 am 1.40 276 .7
Aug-08 10:30 am 1.38 270 .7
Aug-08 09:30 am 1.41 279 .7
Aug-08 08:30 am 1.41 279 .7
Report Generated August 09, 2026 01:16 pm