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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.)
Jul-10 08:30 am 1.93 456 1.1
Jul-10 07:30 am 1.95 464 1.1
Jul-10 06:30 am 1.95 464 1.1
Jul-10 05:30 am 1.95 464 1.1
Jul-10 04:30 am 1.95 464 1.1
Jul-10 03:30 am 1.95 464 1.1
Jul-10 02:30 am 2.06 508 1.2
Jul-10 01:30 am 2.08 516 1.2
Jul-10 12:30 am 2.10 524 1.3
Jul-09 11:30 pm 2.12 532 1.3
Jul-09 10:30 pm 2.13 536 1.3
Jul-09 09:30 pm 2.14 541 1.3
Jul-09 08:30 pm 2.14 541 1.3
Jul-09 07:30 pm 2.13 536 1.3
Jul-09 06:30 pm 2.12 532 1.3
Jul-09 05:30 pm 2.15 545 1.3
Jul-09 04:30 pm 2.31 614 1.5
Jul-09 03:30 pm 2.33 623 1.5
Jul-09 02:30 pm 2.34 628 1.5
Jul-09 01:30 pm 2.35 632 1.5
Jul-09 12:30 pm 2.36 637 1.5
Jul-09 11:30 am 2.37 642 1.5
Jul-09 10:30 am 2.35 632 1.5
Jul-09 09:30 am 2.34 628 1.5
Jul-09 08:30 am 2.38 646 1.6
Report Generated July 10, 2026 09:29 am