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Ashuelot River @ West Swanzey, Nh
Ashuelot River at Swanzey
 Total Drainage Area: 316 sq. miles 
 Drainage Area Controlled by Corps Dams: 147 sq. miles (47%) 
 Warning Flow/Stage: 2,920 cfs / 10.0 feet 
 Flood Flow/Stage: 3,850 cfs / 11.0 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
May-16 01:45 pm 8.38 1,543 4.9
May-16 12:45 pm 8.38 1,543 4.9
May-16 11:45 am 8.39 1,550 4.9
May-16 10:45 am 8.39 1,550 4.9
May-16 09:45 am 8.40 1,558 4.9
May-16 08:45 am 8.40 1,558 4.9
May-16 07:45 am 8.40 1,558 4.9
May-16 06:45 am 8.41 1,565 5.0
May-16 05:45 am 8.42 1,573 5.0
May-16 04:45 am 8.42 1,573 5.0
May-16 03:45 am 8.42 1,573 5.0
May-16 02:45 am 8.41 1,565 5.0
May-16 01:45 am 8.40 1,558 4.9
May-16 12:45 am 8.40 1,558 4.9
May-15 11:45 pm 8.39 1,550 4.9
May-15 10:45 pm 8.37 1,535 4.9
May-15 09:45 pm 8.36 1,528 4.8
May-15 08:45 pm 8.34 1,513 4.8
May-15 07:45 pm 8.34 1,513 4.8
May-15 06:45 pm 8.33 1,505 4.8
May-15 05:45 pm 8.31 1,490 4.7
May-15 04:45 pm 8.28 1,468 4.6
May-15 03:45 pm 8.26 1,453 4.6
May-15 02:45 pm 8.23 1,431 4.5
May-15 01:45 pm 8.19 1,401 4.4
Report Generated May 16, 2026 01:59 pm