Home Basin Index

Our new website can be found at: https://water.usace.army.mil/office/nae. All USACE water management offices will be moving under the national Access to Water domain in the near future. Please provide any comments to: NAE.RCC@usace.army.mil

Connecticut River @ Thompsonville, Ct
Connecticut River at Thompsonville
 Total Drainage Area: 9,661 sq. miles 
 Drainage Area Controlled by Corps Dams: 1,431 sq. miles (15%) 
 Warning Flow/Stage: 74,800 cfs / 14.5 feet 
 Flood Flow/Stage: 153,147 cfs / 19.2 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
Sep-04 07:30 pm 7.71 3,690 .4
Sep-04 06:30 pm 7.72 3,738 .4
Sep-04 05:30 pm 7.74 3,835 .4
Sep-04 04:30 pm 7.75 3,884 .4
Sep-04 03:30 pm 7.75 3,884 .4
Sep-04 02:30 pm 7.77 3,984 .4
Sep-04 01:30 pm 7.75 3,884 .4
Sep-04 12:30 pm 7.75 3,884 .4
Sep-04 11:30 am 7.73 3,786 .4
Sep-04 10:30 am 7.70 3,643 .4
Sep-04 09:30 am 7.67 3,524 .4
Sep-04 08:30 am 7.65 3,446 .4
Sep-04 07:30 am 7.63 3,370 .4
Sep-04 06:30 am 7.60 3,257 .3
Sep-04 05:30 am 7.58 3,184 .3
Sep-04 04:30 am 7.56 3,112 .3
Sep-04 03:30 am 7.58 3,184 .3
Sep-04 02:30 am 7.60 3,257 .3
Sep-04 01:30 am 7.62 3,332 .3
Sep-04 12:30 am 7.63 3,370 .4
Sep-03 11:30 pm 7.66 3,485 .4
Sep-03 10:30 pm 7.68 3,563 .4
Sep-03 09:30 pm 7.71 3,690 .4
Sep-03 08:30 pm 7.74 3,835 .4
Sep-03 07:30 pm 7.76 3,934 .4
Report Generated September 05, 2026 12:03 am